A critical discourse analysis of online mental health meaning-making in Australia

Article information

Health New Media Res. 2026;10(1):1-13
Publication date (electronic) : 2026 May 27
doi : https://doi.org/10.22720/hnmr.2025.00241
1University of Adelaide, Australia
Corresponding author: Anne Nattembo University of Adelaide Adelaide, Australia Email: annenattembo@gmail.com
Received 2025 October 5; Revised 2026 January 10; Accepted 2026 April 14.

Abstract

Rationale

This study offers valuable insights into the production, circulation, consumption and reproduction of mental health information on online forums from both textual and contextual perspectives.

Objectives

The study critically examines how mental health is discursively constructed on social media in Australia through the interplay among posts, moderation practices, and user experiences.

Methods

A qualitative study adopting the Faircloughian critical discourse approach to examine online content, moderation, and user experiences. Data were collected from mental health-related website forums and from interviews with users and moderators.

Major Findings

Data were analysed using Fairclough’s critical discourse analysis approach. Analysis of posts from interactive website forums, along with the perspectives of 11 moderators and users, identified two broad themes: support structures and the risks and triggers of mental distress.

Implications

The study provides key insights to maximise the potential of website forums for mental health communication.

Introduction

Through the lens of Fairclough’s (1992) critical discourse analytic approach, this paper demonstrates how power is conveyed through word choices and how social media practices shape who is heard, influence the performance of identities, and determine which forms of mental health knowledge are legitimised or marginalised. This paper builds on calls for further research on the meaning-making process of health and illness in digital spaces (Conrad & Barker, 2010), with a focus on mental health. The potential of health communication continues to grow with the increasing development and advancement of social media platforms (Huo et al., 2019; Stellefson et al., 2020). The digital era, especially the social media age, offers multiple tools and opportunities that can be effectively leveraged for health communication initiatives. As such, ongoing research is necessary to understand the potential and impact of health communication on these platforms, for instance, how these platforms function and what makes communication goals and tactics practical. The World Health Organisation (2019) notes that one in four people is affected by mental illness at some point in their lifetime globally. The National Study of Mental Health and Wellbeing show that 15% of Australians aged 16-85 years suffered from high to very high levels of mental distress in 2020-21 (ABS, 2021).

Research suggests that online mental health communities benefit mental health well-being. Positive effects include gaining access to mental health information, receiving emotional support, and fostering a sense of community (Kim et al., 2023; J. Liu & Wang, 2021; Saha & Sharma, 2020). In contrast, other studies have shown that participating in online communities can negatively affect mental well-being. Adverse effects include increased levels of psychological distress, cyberbullying and decreased life satisfaction (Zhou et al., 2023). While there is an increasing body of knowledge on online communities for mental health promotion and education (Abouei et al., 2025; S. Liu et al., 2020; Nattembo, 2022; Tuan et al., 2024), this study adds to current knowledge by drawing on empirical evidence from posts and the experiences of users and moderators to examine mental health meaning-making on interactive website forums.

Research gap and objectives

Critical health communication approaches examine how meanings and representations of health are associated with power and inequality linked to culture, resources, and social structures, and how power shapes cultural constructions of health and responses to illness (Zoller, 2014, p. 270). This “involves deconstructing dominant, taken-for-granted assumptions about health, often with the hope of introducing possibilities for alternative, more inclusive meaning systems,” (Zoller & Kline, 2008, p. 271). Critical mental health communication can provide invaluable qualitative insights into how illness is understood, experienced, and treated. Although a growing body of research exists about mental health communication on social media, few studies have utilised a critical perspective. Existing studies have primarily examined mental health narratives. For example, Michlig et al. (2022) conducted discourse analysis on mental health in a Somali-American community, identifying two key discourses: biomedical and community-driven mental health knowledge. The latter fuses psychiatric terms and employs stigma and social control to limit disclosure. Another study (Sukhera et al., 2022) used critical discourse analysis to examine mental health stigma in medical education, revealing an emancipatory discourse of disclosure that normalised help-seeking, which conflicted with a performance discourse, suggesting that public disclosure remains challenging in private contexts due to a medical culture that rewards perfectionism and heroism. However, limited research has examined mental health meaning-making on website forums, particularly the meanings of mental health and the power relations that shape the production, circulation, negotiation, consumption, and reproduction of mental health content. This study addresses this gap by taking a multilayered approach to analyse social media posts and user and moderator interviews.

Moderation of online mental health communities can improve the quality of online discourse by increasing user engagement, encouraging users to discuss negative emotions more candidly, and minimising disruptive behaviour, thereby enhancing the efficacy and safety of online mental health conversations (Wadden et al., 2021). Some research has focused on content moderation practices (Russell, 2024; Young, 2022), noting that, despite advancements in algorithmic tools, human moderators remain critical, and that there is also a need for more inclusive user-centred design (Haime & Biddle, 2025). Human content moderators analyse online comments and posts shared by users using the community guidelines defined by the social media platforms, which include policies on hate speech, targeted violence and bullying (Roberts, 2016). Other research has examined moderators’ experiences to improve their working conditions (Roberts et al., 2023; Spence et al., 2023; Steiger et al., 2021). Rapid growth in social media use during the pandemic necessitated a significant expansion of content moderation teams, creating challenges for training, communication, and maintaining sustainable management practices (Roberts et al., 2023). Moreover, moderators face significant challenges, including exposure to traumatic content, which can lead to lasting psychological and emotional distress (Steiger et al., 2021).

Theoretical Framework

This study drew on the Faircloughian critical discourse analytical approach, which postulates that relations between discourse elements, such as texts, processes of production and consumption, and social and historical contexts, are interdependent and mutually constitutive (Fairclough, 1992). This analytical approach was valuable in analysing the mental health meaning-making process on social media across three dialectical levels. Firstly, discourse as text (micro/descriptive level) entails analysing the formal properties of the texts. Textual meanings are never fixed; they vary and often slip into conflicting counter-meanings. This level focused on analysing vocabulary/word choices, as well as text structure. Secondly, discourse as a discursive practice (meso/interpretation level) examines how text producers draw on available discourses as they create texts and how text recipients attach meaning to them. This level examined how identities and power relations were negotiated. Finally, discourse as a social practice (macro/explanatory level) articulates the connections among discourses, social and historical perspectives, and institutional practices to explain the interaction between the processes of production and consumption and their social effects. Analysis at this level focused on exploring the ideological and broader societal contexts that frame the discourses.

Methods

Online accounts offer naturally occurring data (Markle et al., 2015), providing unique opportunities to systematically examine people’s narratives over time and explore how narratives change, thereby affording the possibility of identifying patterns in the representation of meaning. Data were collected between April 2019 and July 2019, and between January 2020 and June 2020. The first period was selected because it was when the study began, and the second was selected to enrich the data set. Studies indicate that the COVID-19 pandemic exacerbated mental distress (Li et al. 2020; Van Rheenen et al. 2020) due to the drastic measures taken to contain the spread of the disease, such as the closure of schools, university campuses, shops, restaurants, and companies, and the implementation of physical distancing. Other studies noted that heightened mental distress increased the need to access mental health-related information online (Marshall, Dunstan & Bartik 2020). Posts (original posts and comments) were drawn from depression and anxiety-related website discussion forums that target people in Australia. Website forums were purposively selected because publicly available data were available. Data were collected from SANE, Headspace, and Beyond Blue websites forums. A purposive sample of relevant pages was selected. These threads were selected because they are managed by some of Australia's most reputable mental health organisations. A purposive sampling strategy was used to select information-rich threads aligned with the study's focus. Threads were included if they had substantive engagement (comments), explicit discussion of lived experience, or broader discursive patterns around mental health. The unit of analysis was the thread, which included original posts and comments, enabling examination of individual expressions and interactional dynamics, such as how meanings are negotiated or contested. Inclusion criteria included threads that referenced anxiety or depression, demonstrated active participation, and were publicly accessible. Threads were excluded if they had minimal engagement or were not related to mental health discourse, even when they matched the search terms.

Number of posts per social media threads and pages.

Nunkoosing (2005) suggests that participant narratives are important because they enable individuals to reflect on some aspect of their lived experiences. Interviews provided a nuanced understanding of the diverse perspectives on mental health on social media platforms. Twelve people participated in the interviews, comprising seven users and four moderators of mental health-related social media platforms. The sample size was deemed sufficient to answer the research questions after data saturation was reached. Morse (2000) notes that sample size should depend on factors such as the topic, study scope, and research design. The ethnically and culturally diverse sample ensured a range of perspectives in the data collection and analysis.

Respondents were recruited through mental health organisations and online communities. Among the seven users, three were studying for postgraduate degrees, and four were Respondents were recruited through mental health organisations and online communities. Among the seven users, three were studying for postgraduate degrees, and four were Respondents were recruited through mental health organisations and online communities. Among the seven users, three were studying for postgraduate degrees, and four were working, primarily young urban individuals aged 20 to 30+. Participants were identified using convenience sampling. All participants engaged with various social media platforms. Interview participant characteristics are provided in Appendix 3. Their experiences prompted reflections on their information sharing, identity, relationships, and online conventions. Interviews were conducted after analysis of posts. Four moderators from different organisations with varying experience in moderating online mental health resources, ranging from 3 to 30 years, were interviewed. One was a commercial moderator managing various platforms; two moderated website forums, and another managed a layperson’s Facebook page. By interviewing moderators, this paper examined moderation practices to understand their role in shaping mental health constructions on social media and how users navigated these contexts. Interviews followed a semi-structured approach, using the guides in Appendix 2. Leavy (2014) notes that semi-structured interviews can produce knowledge by allowing the researcher to direct the conversation to the issues most pertinent to the research questions. Interviews were conducted via Zoom, email, and face-to-face and took 45 minutes. Interviews were conducted in English and transcribed verbatim to ensure critical data were not lost.

The University of Adelaide Ethics Review Committee in Australia granted ethical approval (H-2019-149) prior to the study commencing. Ethics approval was granted for interviews and the analysis of publicly available user-generated posts on the website forums. Although the posts were publicly available, safeguards were considered to reduce re-identification and the traceability of quotations. Identifying details such as usernames were removed or generalised, and contextual markers that could enable reverse searches were slightly edited. When reporting findings, care was taken with direct posts, as they could be traced via search engines. Posts quoted in the findings were paraphrased or slightly edited to retain meaning while minimising risk of source identification. Written and verbal consent were obtained from all respondents before the commencement of interviews. The consent process included permission to audio-record interviews, with participants informed recordings were for transcription and analysis. Participation was voluntary, and participants were informed that they could decline responding to any question or withdraw at any time. Participants also consented to the use of anonymised responses in publications and presentations.

Data were analysed using the analytical framework outlined in Appendix 1 in NVivo version 12. Critical discourse analysis enabled the examination of taken-for-granted meanings in the posts and interviews. Interviews and initial analysis proceeded simultaneously to enable Data were analysed using the analytical framework outlined in Appendix 1 in NVivo version 12. Critical discourse analysis enabled the examination of taken-for-granted meanings in the posts and interviews. Interviews and initial analysis proceeded simultaneously to enable ongoing assessment of thematic sufficiency and to identify the point at which additional interviews no longer provided substantially new insights. Saturation was reached when subsequent interviews yielded diminishing returns in terms of new themes or conceptual developments. Saturation was evaluated through code saturation (the point at which no new codes emerged) and meaning saturation (the point at which no new dimensions, nuances, or insights appeared within existing themes). Although the sample size aligns with established qualitative research practices for in-depth thematic analysis, it is recognised that saturation depends on context and is influenced by factors such as sample heterogeneity, scope of inquiry, and methodological approach. In this study, the unique participant characteristics and the targeted nature of the research questions allowed saturation to be reached within 11 interviews. Nonetheless, the decision to cease data collection was guided not by a predetermined number but by systematic, iterative evaluation of analytic completeness.

Data analysis involved an iterative multi-stage coding process. In the first stage, preliminary codes were developed inductively from close readings of interview transcripts and posts from website forums. Interview data provided reflective, retrospective accounts of participants’ experiences, while forum posts offered naturally occurring, interactional discourse. In the second stage, preliminary codes were systematically compared and grouped into broader themes through constant comparison. In the final stage, themes were interpreted using Fairclough’s three-dimensional critical discourse analysis. Textual analysis examined linguistic features; analysis of discursive practice examined processes of production, distribution, and consumption; and analysis of social practice situated these findings within broader discourses of mental health.

Freshwater & Cahill (2012) suggest that researchers should continually reflect on their approach and rationale for the data to increase transparency in the research process. In addition to self-reflection, meetings were held between senior researchers with backgrounds in media and communications and the author (the lead analyst), who has professional experience and postgraduate training in health communication research and is a certified mental health first aid provider, to discuss and refine interpretations of the data, to help mitigate research bias.

Results

The paper employs Fairclough’s (1992) three-dimensional model of critical discourse analysis to investigate the construction of mental health discourse on social media. This approach helped reveal how language reflected realities about mental health, personal agency, and institutional power. The findings focus on the textual features; multimodal aspects are excluded as they were analysed using a different analytical framework. The study presents the three dominant themes derived from social media posts and interviews with users and moderators, providing a historical account of the production, circulation, and consumption of mental health information on social media. Themes are exemplified through sample social media posts and interview excerpts, presented using Fairclough’s critical discourse analysis approach. The findings show that users and moderators of mental health social media pages and website forums drew upon different experiences and knowledge to construct mental health. Two broad themes were found: support structures and risks and triggers.

Support structures

At the description level of analysis, the theme of support structures was characterised by three sub-themes: medical-therapeutic, social support and self-care. The medical-therapeutic sub-theme involved users seeking, providing, and encouraging others to seek help, as well as sharing experiences of medical and social support. Social media posts associated with a medical-therapeutic sub-theme showed that users privileged medical practitioners and professional therapists to find a cure or relief for their mental illness—encouragement to access professional support. Users also shared their views about improving the healthcare system to increase access to skilled medical and therapeutic support. For instance, the individual commented, ‘at outpatient, I got minimal if any help, a lot of judgment, a lot of drugs with terrible side effects, and a lot of medical paternalism. I dared to ask for information so I could make choices about my treatment,’(Extract from website forums, user). The post uses emotional and evaluative terms such as ‘judgment,’ ‘terrible,’ and ‘paternalism,’ suggesting a critique of medical authority and institutional power, while foregrounding the patient’s voice in resistance to medical paternalism. The post also employs active voice, ‘I dared to ask,’ which suggests assertiveness and claims agency.

Social support posts showed how individuals oriented themselves towards seeking and providing help to manage or prevent mental illness. The posts show that support was mainly tailored towards sharing coping strategies, sharing experiences such as diagnosis, treatment, and management and sharing personal experiences with people with mental illness. For example, a user remarked, ‘I am sorry to read that you are struggling and do not know where to turn for help and assistance. Hopefully, reconnecting to the forum may provide some assistance, care, and comfort while locating the assistance where you live,’ (Excerpt from website forums, moderator). The post employs therapeutic language (‘sorry,’ ‘struggling,’ ‘care,’ and ‘assistance’) consistent with supportive community discourse. The post promotes a community-centred and peer-support ideology, positioning social media platforms as care spaces.

The self-care sub-theme indicated that individuals had more control and choice over their treatment and recovery, which plays a key role in preventing and managing illness through lifestyle practices. Users discussed some of the steps they were taking to maintain mental well-being, such as spending time in nature, but, most importantly, extending support to others who might be experiencing mental illness. For instance, a user remarked, ‘To take care of myself, I am trying to eat well but am still enjoying some treats. I am also checking in on my friends and family to see if they need anything or someone to talk to,’ (Excerpt from website forums, user). The post demonstrates self-care language (‘eat well,’ ‘trying,’ ‘checking in,’ ‘someone to talk to’), reinforcing individual responsibility for well-being and promoting a neoliberal self-care narrative. The post emphasises an active voice (‘I am trying’), suggesting agency and positioning users as self-regulating agents, responsible for their and others’ mental well-being. Employing an active voice encourages readers to view themselves as change-makers, shifting the focus from systemic issues to placing responsibility on individuals to manage their health.

At a discursive level of analysis, interviews with moderators revealed that they perform a safety-gatekeeping role by negotiating human-automated moderation. Moderators noted that while they found automated moderation helpful in some instances, such as improving efficiency in dealing with a substantial workload and, most significantly, in triaging cases that require emergency care, other moderators had reservations about machine- or automated-based moderation. For instance, a website forum moderator observed that ‘some posts would automatically go through pre-moderation based on word filters automatically blocking them from being published straight away and that would flag our attention.’ On the other hand, some noted that automated moderation lacks the touch and sensitivity that a human moderator brings to the process. Insights from Martha, a commercial moderator for Facebook and website forums, illustrate that ‘word filters are great but need to be reviewed by a human. I do not think technology can deal with everything. The way people use language will never match artificial intelligence.’ For example, Dorothy, a website forum moderator, argued for professional moderation. Dorothy noted that ‘moderation has been a professional discipline for a long time now. But it is still performed by lots of non-professionals.’ Finding the right balance between enabling freedom of expression and moderation practices is difficult.

Additionally, the discursive level was also characterised by feelings of connection and disconnection. Users connected on social media in various ways, such as by sharing personal information that could be helpful to others. For others, it was a means of learning about others' experiences to inform decisions about their wellbeing, including accessing information that helps them cope with their mental illness and providing opportunities to strengthen their relationships. Jane noted, ‘I do not use social media regularly, but the times that I use it, it is so that I can have conversations with people I do not know or connect with them to support someone I do not know.’ Participants described social media platforms as a way 'to connect’ by borrowing the terminology used by social media corporations. As such, experiencing a sense of belonging and connectedness with a community mediates individuals' sense of identity and well-being. For instance, a moderator observed, ‘when I feel down, I follow some motivational pages. I suffer from depression and anxiety, and most of the influencers I follow tend to have that illness as well.’ Users sometimes felt disconnected despite feeling connected with friends, family, and strangers. Paul indicated, ‘It makes sense that there are rules on these platforms because you cannot have an entirely chaotic space. When you are in the unacceptable batch, it is saddening and invalidating for your legitimacy as a person.’ The findings indicate that feelings of disconnection and connection do not follow a simple dichotomy of use versus non-use. Instead, they are situated within a complex continuum of coping with mental illness and navigating social media platform features and rules of engagement.

At a social practice level of analysis, the social media posts and interviews reveal biomedicalisation and empowerment ideologies. Medicalisation ideology, drawing on medical knowledge, provides norms of deviance and behaviour. In this regard, bodies are subjugated and regulated to conduct their lives in specific ways through what Foucault called biopower. These constructions of mental illness permeate and perpetuate the socially constructed meanings of mental illness, which in turn shape the way individuals make sense of their mental illness and the actions they take to prevent or manage it. The salience and prevalence of the medical-therapeutic discourse demonstrate the power of these ideas. The negotiation between medical and non-medical indicates an empowerment ideology. The empowerment ideology draws on lived experiences, knowledge, and positions of influence in society, as these individuals did not necessarily present themselves as health professionals. Empowerment involves repositioning power between health professionals and people with lived experience, giving people with mental health experiences a stronger voice in matters that affect them. Empowerment highlights the opportunities for collaboration between people with mental health experiences and health professionals. The findings also show the ideology of conditional belonging, in which users’ sense of connection was shaped by peer interactions and by the need to maintain their privacy.

Risks and triggers

From a description level of analysis, social media posts portrayed risks and triggers of mental distress through concerns about social, physical, and technological threats. Through this theme, users positioned themselves vulnerably due to mental distressing situations perceived as beyond their control, or because they struggled to make sense of ambiguous distressing circumstances. Users expressed worries about the risk of losing employment or shelter and the effect of financial instability on mental wellbeing. For instance, one individual noted, ‘Rocking up to work, waiting to hear if I have a job for another day or not. I’m beyond grateful for any extra pay I’m getting, guilty that I’m still here when so many aren’t, worried sick over colleagues who have lost jobs today with no warning, and at the same time wishing it were all over so that at least I know where I stand,’ (Extract from a website forum). The oscillation between ‘grateful,’ ‘guilty,’ ‘worried,’ and ‘wishing it were all over’ reflects psychological tension and demonstrates emotional overload of the situation. The repeated use of first-person singular pronouns (‘I,’ ‘I’m’) constructs an individualised subjectivity and personal uncertainty. In another post, the author shares the uncertainty in social relationships, ‘I am struggling a bit with my anxiety, lost my husband to sudden death at home 8 weeks ago, and developed anxiety, and now with the virus, even more missing connecting with my kids and grandkids (Extract from a website forum). The excerpt adopts a confessional tone. The opening phrase, “I am struggling a bit with my anxiety,” employs hedging (“a bit”) to downplay the severity of the situation. This gentle expression indicates a discursive minimisation of suffering, a common strategy in public or semi-public contexts where users are conscious of managing impressions and avoiding the impression of being overly burdensome. The statement, “even more missing connecting with my kids and grandkids”, foregrounds relational absence and a change from social embeddedness to social isolation.

Other contributors discussed the dangers of technology and social media, as well as the heightened mental health challenges resulting from the pandemic and the lockdowns that disrupted daily life. One user remarked, ‘I'm starting to get anxious about going into lockdown/quarantine. I need to get out and about, as being cooped up affects my mental state. I understand why things like travel restrictions and lockdown/quarantine are needed and support them to keep the spread of coronavirus to a minimum,’ (Extract from website forum, user). The post balances individual emotional struggles with collective responsibility. The author positions themselves as responsible citizens navigating personal needs alongside public health priorities. The post shows acceptance of state authority without critiquing government or public health strategies.

At a discursive level of analysis, the study found that moderators followed principles like ensuring the trustworthiness of shared content, balancing various perspectives while prioritising safety, fostering supportive environments for disclosures, protecting users’ privacy, and maintaining sensitivity and overall safety on these platforms. Dorothy, a website forum moderator, noted that moderation ensured that users not only abided by the law in general terms but also felt safe. Dorothy said, ‘we moderate to protect the community from things that may not be illegal or infringe on any morals or terms and regulations within our community or elsewhere. We want this to be a space for health and all participants.’ Additionally, a website forum moderator, observed that moderation aimed to mitigate risks while maintaining a knowledge-sharing environment. Hellen mentioned that ‘the guidelines are primarily based on keeping community members safe. There is psychological and verbal harm that can occur. There are also legal issues, such as defamation.’

Additionally, interviews with users revealed that they negotiated both real and hidden identities by continually redefining roles, norms, and individual or group boundaries. Some participants noted that the offline context of their health and illness experience influenced their online practices. For instance, one user acknowledged that ‘I am the same person; the only thing that has changed on the platforms is my name. Interviewers conduct investigations for work interviews. I created a different persona, and my Facebook name is different.’ On the other hand, while concerns about identity construction inhibited some users' practices on Facebook, others actively used social media to consume content, such as sharing it in ways they would in offline contexts. Take, for example, a user who noted, ‘I will be 90 per cent of myself so that I do not scare people away [because of my mental illness posts]. My friends say you should never be your true self on social media because it can be dangerous.’ Users discussed the need to maintain anonymity but acknowledged that achieving it is difficult. One user noted ‘I do not have anonymity outside of social media concerning these experiences because I'm a public mental health service worker. I don't think consent is offered enough for people to know how much information they share.’

At the social practice level of analysis, this theme demonstrates a riskification ideology—a worldview in which mental health is understood primarily through the management and mitigation of threats. Broadly, riskification involves framing issues in terms of risk to justify precautionary measures and safety margins (Hardy & Maguire, 2016).

Riskification shapes the work of governments and mental health practitioners, those with whom they work, and the work settings to minimise risks and uncertainty. From a health communication perspective, individual-level risk perceptions, or perceived susceptibility to a threat, are critical determinants of health behaviour. The crucial question from this discussion is: whose interests are served by mental health riskification? One discursive effect of situating mental health within a perspective of uncertainty means that mental health is governed in ways other than others, placing responsibility on some individuals to mitigate these risks or fears.

Discussion

The study examines how mental health is constructed on social media, drawing on social media posts and the experiences of moderators and users. This study shows how mental health discussions on social media are dynamic and contested, with users, moderators, and technology co-creating meaning. Using Fairclough’s three-dimensional model revealed that beneath everyday posts and moderation activities lie complex ideological processes that both uphold and challenge dominant views of mental health. Across the two main themes—risks, triggers, and support structures—the analysis highlighted how digital communication both empowers and controls individuals within a broader culture of surveillance and self-regulation.

The theme of risks and triggers highlights how users frame distress by using language related to threats and triggers, indicating a shift from simply expressing emotions to actively managing them. Moderators’ discussions around safety and trust reinforce this perspective, viewing online mental-health communities as caring spaces shaped by moral and institutional guidelines. The discursive-practice analysis showed that moderators play a strong gatekeeping role in shaping the circulation of mental health discourse through a complex balancing act that prioritises safety while supporting users emotionally. This aligns with Gillespie’s (2018) argument that platform moderation serves as a form of custodial authority, where both human and algorithmic entities collaboratively shape the norms of acceptable vulnerability. Although moderation practices aim to protect users, they also limit genuine expression by making some emotions more acceptable than others. This change reflects a broader trend in mental health, transforming it into a sphere of controlled vulnerability where openness is expected to stay within socially and technologically defined limits. Fairclough (1992) argues that discourses become powerful not only through linguistic choices but also embedding in ideologies. The theme of risks and triggers in this study demonstrates a broader riskification ideology in which mental health is understood through a risk lens, necessitating continuous monitoring, management, and intervention. Social media environments strengthen this ideology by emphasising moderation, highlighting risk narratives. This shows a worldview where vulnerability is both expected and monitored. User self-awareness, expressions, and moderator enforcement create a space where vulnerability becomes manageable. This aligns with Foucault’s (1977) notion of biopolitical regulation, in which institutions influence behaviour through normalisation rather than direct control. Consequently, the findings support critical discourse analysis postulates by showing how digital spaces amplify ideologies, integrating them into everyday language and emotional expression (Fairclough, 1992).

The theme of support structures shows how discourses of biomedicalisation and empowerment coexist in tension. Users expressed agency through peer support and self-care, but these actions often align with ideals of personal responsibility and resilience. Moderators navigate the tension between human empathy and automated governance, simultaneously implementing and challenging institutional authority. The analysis exposes the tension between care and control that underlies content moderation practices on online platforms (Haime & Biddle, 2025). The same systems designed to protect individuals can enact disciplinary power through diagnosis, risk assessment, and institutionalisation. This analysis highlights the ambivalent nature of online mental health discussions, which are at once liberating and monitored. Digital platforms allow individuals with lived experience to share alternative narratives that challenge institutional authority, but they are also moderated by algorithms and humans who reinforce normative ideas about what is acceptable to express (Zhang et al., 2024). The findings demonstrate that automated systems are not neutral background tools but active discursive actors that shape which narratives appear permissible. This study shows that platform affordances in digital mental health interactions act as discursive conditions that shape how meaning is created. Algorithms, moderation protocols, and platform structures serve as non-human contributors to discourse, expanding the scope of CDA from linguistic analysis to include technological mediation. This analysis extends CDA into the realm of ongoing social media discourse broadly and algorithmically mediated discourse specifically, supporting contemporary calls by KhosraviNik (2022) for CDA to incorporate analysis of technological affordances.

Implications for research and practice

This study's findings have important implications for digital mental-health communication, policy development, and moderation practices. Understanding that social media serves both as a support space and a surveillance tool calls for a multidimensional approach to creating safer, more equitable online environments. Platform moderation and policy frameworks need to evolve from solely risk-averse approaches to models based on relational safety. This shift emphasises the importance of emotional honesty, enabling users to express their distress without fear of punishment or algorithmic suppression. Moderator training should prioritise trauma-informed communication and cultural awareness instead of mere procedural adherence. Policies and automated systems should be transparent and developed with input from users with lived experience, through participatory methods such as community review panels or co-created guidelines, promoting democracy and trust in online mental health spaces. Campaigns and initiatives should explicitly consider how cultural norms around masculinity, productivity, and positivity affect emotional expression. Interventions encouraging vulnerability and diverse wellness perspectives can challenge the dichotomy of ‘normal’ versus ‘abnormal’ mental health. Investing in peer-led support networks that acknowledge social determinants can complement professional services, empowering users without leaving them unsupported.

While this research offers valuable insights into how mental health is discussed on social media, several limitations should be recognised. The analysis primarily relied on publicly available posts and interview snippets with users and moderators. Although these sources provided rich linguistic and thematic details, they do not fully capture private, ephemeral, or direct-message interactions, where most vulnerable mental health disclosures occur. Consequently, the results may reflect more moderated, self-aware self-presentation rather than the full spectrum of users’ emotional expressions. Moreover, the focus was on a specific digital environment, which restricts how broadly the findings can be applied across different cultural or platform contexts. Mental health meaning-making is likely to vary across regions, languages, and platform features. The study also did not incorporate triangulation with clinical or policy insights, which could have helped better understand how institutional discourses interact with everyday online communication. For future research, it is essential to compare platforms and cultures to see how platform design, moderation practices, and local societal norms influence mental health discussions differently. Longitudinal studies would allow tracking how discourse patterns evolve over time, particularly in response to platform policy changes, public health crises, or shifts in social perspectives. Additional research could include participant-generated materials, such as diaries or personal narratives, to deepen understanding of how users manage their identities across public and private digital spaces.

Conclusion

Overall, the findings confirm that digital mental health communication is not just therapeutic but also ideological. Social media platforms reflect societal discourses on risk, normality, and responsibility while providing spaces for resistance and redefinition. Future research and policy should address these tensions by encouraging digital environments that prioritise structural understanding over procedural safety and individualised self-regulation.

Notes

Acknowledgments

The author thanks Dr Aaron Scott Humphrey for his valuable feedback on the initial draft of this paper.

Ethical considerations

The University of Adelaide Ethics Review Com- mittee granted ethical approval (H-2019-149) prior to the study commencing.

Consent to participate

Interview participants consented to take part in the study.

Consent for publication

Interview participants consented to the study re- sults being published. Names have been changed to maintain anonymity.

Data availability statement

Not available.

Funding Information

The research was funded by the University of Adelaide as part of a PhD program.

Conflict of Interest

The authors declare that they have no known competing financial interests or personal relation- ships that could have appeared to influence the work reported in this article.

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Appendices

Appendix 1: Critical Discourse Analysis Framework

Appendix 2: Interview guides

Interview guide for social media users

(Record demographic data: Occupation and age category)

  • 1. Tell me about the social media platforms you use when sharing or looking for information concerning mental health. (Probe)

    • a) Which platforms do you use most and least? Why? (Explore the affordances and constraints of each? – both technological and social) (Also exploring whether the platform used for mental health is the same as the platforms used for socialising)

    • b) How often do you use these platforms?

    • c) What other communication platforms do you use for mental health communication?

  • 1. You have told me about all these media platforms you use. Please tell me what motivates you to use them?

  • 2. Tell me how these social media platforms have impacted your life.

  • 3. What is your opinion about the information on these platforms?

  • 4. How do you think these platforms are set up and operated?

  • 5. How do you feel when you use these platforms?

  • 6. What barriers/limitations do you experience if any?

  • 7. Regarding self-presentation, do you present yourself as the same person on social media as you are offline?

  • 8. What would you change about your experience with using social media during the crisis?

  • 9. Is there anything you that would make your experience with using social media platforms for mental health purposes better?

Interview guide for moderators

(Record demographic data)

  • 1. Please tell me about the social media platforms your organisation uses and why? Probe: Which platform is the most used and which one is the least used?

  • 2. Are there other social media platforms that you plan to use in the future? Why?

  • 3. Please tell me how you develop your social media content. Probe: What influences the content and the way it is presented?

  • 4. Tell me about your organisation's techniques to reach/engage with social media users?

  • 5. Tell me about any benefits your organisation has gained from using social media platforms.

  • 6. Are there any challenges your organisation has faced using social media platforms?

  • 7. In your opinion, how can the challenges you have mentioned be addressed?

  • 8. Does your organisation have a social media strategy for mental health promotion and communication? If yes, can you please describe what your strategy entails? If not, how are decisions about managing social media platforms made?

  • 9. Has the social media strategy changed since it was developed? If so, how?

  • 10. Have resources been set aside specifically for social media management? If so, what resources?

Appendix 3: Characteristics of the Interviewees

Article information Continued

Table 1:

Number of posts per social media threads and pages.

Social media platforms Number of pages/threads Number of posts
Website forums 60 threads 5194
Analytic level Guiding analytical questions
Textual analysis Vocabulary: What words and phrases are used, and how do they reflect specific attitudes, values, or beliefs?
Text structure: How is the language structured, and how does this structure affect the representation of actors and events?
Discursive analysis Identity: How are identities constructed and negotiated within the posts and how does that reflect and contribute to specific social practices (such as knowledge production)?
Power relations: How does the content reveal or reinforce power imbalances?
Social analysis Ideology: What underlying ideologies or values are being promoted or challenged?
Social context: How does the content relate to broader social issues, debates, or movements? How does it contribute to or challenge existing social norms and structures?

Guided by the Faircloughian critical discourse analytical approach (1992).

Moderator
Moderator 1 (Dorothy) has formal training in moderating digital platforms and has moderated mental health website forums for over 30 years, working with various mental health organisations. At the time of the interview, she was completing a PhD in automated moderation.
Gender: Female | Ethnicity/Nationality: Australian | Age: Over 30
Moderator 2 (Martha) is a commercial moderator. She worked at a moderating firm hired by mental health organisations. She moderates various platforms, including Facebook pages and website forums, and trains other moderators. She has been moderating these platforms for over five years.
Gender: Female | Ethnicity/Nationality: Australian | Age: Over 30
At the time of the interview, Moderator 3 (Hellen) was a moderator who had recently ceased moderating mental health website forums, a role she had held for nearly 5 years.
Gender: Female | Ethnicity/Nationality: Australian | Age: Over 30
A manager of a layperson Facebook page that aims to bring people who experience mental health together. Moderator 4 (Paul) described himself as a peer educator with lived experience of mental health.
Gender: Male | Ethnicity/Nationality: Australian | Age: Over 30
Users
User 1 is a nurse and occasionally cared for people with mental distress. She started using social media platforms for mental wellbeing following a medical diagnosis that caused her mental distress.
Gender: Female | Ethnicity/Nationality: African-Australian | Age: Over 30
User 2 is a mental health advocate, and she experiences severe mental illness. She is a peer educator at one of Australia's leading mental health organisations.
Gender: Female | Ethnicity/Nationality: Australian | Age: 18-25
At the time of the interview, User 3 was a postgraduate student. Charlie experienced significant mental distress during the COVID-19 lockdown. He relied heavily on social media for mental health information because he did not have many friends.
Gender: Male | Ethnicity/Nationality: African | Age: 26-30
User 4 is a mental health advocate, and he experienced severe mental illness. He is a peer educator at one of Australia's leading mental health organisations.
Gender: Male | Ethnicity/Nationality: Australian | Age: 18-25
At the time of the interview, User 5 was a postgraduate student. She occasionally used social media to seek and share mental health information.
Gender: Female | Ethnicity/Nationality: Asian | Age: 26-30
User 6 was a postgraduate student. She uses social media frequently to seek and share mental health information. She experiences anxiety and depression.
Gender: Female | Ethnicity/Nationality: Asian | Age: 26-30
User 7 is an administrator in the aged care industry. She occasionally experiences mental distress and cares for people with moderate to severe mental distress at her workplace and at home.
Gender: Female | Ethnicity/Nationality: African-Australian | Age: Over 30