Sharing mental health peer information and peer support in hikikomori’s online discussion groups


  • Ari Haasio Seinäjoki University of Applied Sciences
  • Elisa Kannasto Seinäjoki University of Applied Sciences
  • Mari Salminen-Tuomaala Seinäjoki University of Applied Sciences


Internet, Peer information, Hikikomori, Information sharing, mental health


This article has analyzed the information sharing related to the mental health of Finnish socially withdrawn (hikikomori) persons. The sample contains 60 discussion strings and 1741 messages, which were analyzes by qualitative and quantitative content analysis.As a result, the peer information is highly appreciated and in many cases it is preferred instead of information given by authors or specialists.


American Psychiatric Association. Words matter. Reporting on mental health conditions.,

Burnett, G., Besant, M., & Chatman, E. A. (2001). Small worlds: Normative behavior in virtual communities and feminist bookselling. Journal of the Association for Information Science and Technology, 52(7), 536.

Chatman, E. A. (1991). Life in a small world: Applicability of gratification theory to information‐seeking behavior. Journal of the American Society for Information Science, 42(6), 438–449.

Crompton, C. J., Ropar, D., Evans-Williams, C. V., Flynn, E. G., & Fletcher-Watson, S. (2020). Autistic peer-to-peer information transfer is highly effective. Autism, 24(7), 1704–1712. DOI: 10.1177/1362361320919286

Franzke, A. S., Bechmann, A., Zimmer, M., Ess, C., & the Association of Internet Researchers. (2020). Internet Research: Ethical Guidelines 3.0.

Furlong, A. (2008). The Japanese hikikomori phenomenon: acute social withdrawal among young people. The Sociological Review. Vol.56(2), 309–325.

Haasio, A. 2015.Toiseus, tiedontarpeet ja tiedon jakaminen tietoverkon ”pienessä maailmassa”: Tutkimus sosiaalisesti vetäytyneiden henkilöiden informaatiokäyttäytymisestä. (Acta Universitatis Tamperensis 2082) [Doctoral Dissertation, Tampere University Press]. [Otherness, information needs and information sharing in the “small world” of the Internet: A study of socially withdrawn people’s information behavior]. Available

Haasio, A. (2019). What is disnormative information?. Information and Communication Sciences Research, 23(1), 9–16.

Haasio, A. (2020). Sosiaalisesti vetäytyneet ja internetin pieni maailma. In Virtuaalinen kotiseutu. Ed. by Sulevi Riukulehto & Ari Haasio. Helsinki: SKS.

Haasio, A. (2021). Information Seeking Behaviour of the Socially Withdrawn. In New Trends and Challenges in Information Science and Information Seeking Behaviour (pp. 23–32). Springer, Cham.

Haasio, A., Harviainen, T., Ylinen, A., & Oksanen, A. (2022). TOR-verkossa tapahtuvien keskustelujen merkitys huumevieroituksessa. Janus 30(1), 65–80.

Haasio, A., & Naka, H. (2019). Information needs of the Finnish and Japanese hikikomori: a comparative study. Qualitative and Quantitative Methods in Libraries, 8(4), 509–523.

Haasio, A. & Salminen-Tuomaala, M. (2021). Suicide motives and protective factors-contributions from a hikikomori discussion board. Issues in mental health nursing, 42(5), 417–429.

Husu, H. M., & Välimäki, V. (2017). Staying inside: social withdrawal of the young, Finnish ‘Hikikomori’. Journal of Youth Studies, 20(5), 605–621.

Kannasto, E., & Haasio, A. (2021). “Tuntuu, että vietän liikaakin aikaa Internetissä.”: Verkon pieni maailma virtuaalisena kotiseutuna. Informaatiotutkimus, 40(3), 14–38.

Kato, T. A., Kanba, S., & Teo, A. R. (2018). Hikikomori: experience in Japan and international relevance. World psychiatry, 17(1), 105.

Kato, T. A., Kanba, S., & Teo, A. R. (2019). Hikikomori : Multidimensional understanding, assessment, and future international perspectives. Psychiatry and Clinical Neurosciences, 73(8), 427–440.

Kato, T. A., Kanba, S., & Teo, A. R. (2020). Defining pathological social withdrawal: Proposed diagnostic criteria for hikikomori. World Psychiatry, 19(1), 116–117.

Kato, T. A., Tateno, M., Shinfuku, N., Fujisawa, D., Teo, A. R., Sartorius, N., ... & Kanba, S. (2012). Does the ‘hikikomori’ syndrome of social withdrawal exist outside Japan? A preliminary international investigation. Social psychiatry and psychiatric epidemiology, 47(7), 1061–1075.

Katsuki, R., Tateno, M., Kubo, H., Kurahara, K., Hayakawa, K., Kuwano, N., ... & Kato, T. A. (2020). Autism spectrum conditions in hikikomori: A pilot case–control study. Psychiatry and clinical neurosciences, 74(12), 652–658.

Kondo, N., Sakai, M., Kuroda, Y., Kiyota, Y., Kitabata, Y., & Kurosawa, M. (2013). General condition of hikikomori (prolonged social withdrawal) in Japan: Psychiatric diagnosis and outcome in mental health welfare centres. International Journal of Social Psychiatry, 59(1), 79–86.

Krysinska, D. 2007. Hikikomori (Social Withdrawal) in Japan: Discourses of Media and Scholars; Multicausal Explanations of the Phenomenon. Doctoral dissertation, University of Pittsburgh.

McKee, H.A., & Porter, J.E. (2009a). Playing a Good Game: Ethical Issues in Researching MMOGs and Virtual Worlds. International Journal of Internet Research Ethics, 2(1).

McKee, H.A., & Porter, J.E. (2009b). The Ethics of Internet Research: A Rhetorical Case-Based Process. Peter Lang Publishing, New York.

Mancosu, M. & Vegetti, F. (2020). What You Can Scrape and What is Right to Scrape: A Proposal for a Tool to Collect Public Facebook Data. Social Media + Society, 6(3).

Naka, H. (2021). Identifying Hikikomori’s ‘Hidden’Information Needs and Practices in Online Discussion Forums: Applying Dervin’s ‘Situation-Gap-Use’and ‘Gap-Bridging’Metaphors. In New Trends and Challenges in Information Science and Information Seeking Behaviour (pp. 33–47). Springer, Cham.

Ohashi, N. (2008). Exploring the psychic roots of Hikikomori in Japan. Pro Quest LLC.

Paasonen, S. (2013). Ihmisiä, kuvia, tekstejä ja teknologioita. In: S-M. Laaksonen, J. Matikainen & M. Tikka. (Eds.) Otteita verkosta. Vastapaino. 34–48.

Pedrelli, P., Nyer, M., Yeung, A., Zulauf, C., & Wilens, T. (2015). College Students: Mental Health Problems and Treatment Considerations. Acad Psychiatry, 39(5): 503–11.

Ranieri, F., & Luccherino, L. (2018). Hikikomori: debating a XXI century phenomenon from a clinical point of view. Scandinavian Journal of Child and Adolescent Psychiatry and Psychology, 6(1), 72–79.

Saito, T. (1998). Shakaiteki hikikomori: owaranai shishunki. [Hikikomori: Adolescence without end]. Tokyo: PHP.

Saito K. (2010). Hikikomori no hyouka: shien ni kansuru gaidorain. Tokyo: Japan's Ministry of Health, Labour and Welfare. (Evaluation and Support Guideline for Hikikomori)

Salmela, E. (2021). “Ajattelin kysyä palstan asiantuntijoilta ennen kääntymistä lipevien myyntimiesten puoleen”. Erikoisalaan liittyvien neuvojen ja tiedon pyytäminen verkkoyhteisössä. (Acta Vasaensia 469) [Doctoral Dissertation, University of Vaasa]. [“I thought asking the experts of the board first before turning at the unctuous salesmen.” Requesting special field related advice and information on online communities].

Salminen-Tuomaala, M., Haasio, A., & Naka, H. (2021). Meaning of the Family and Family Communication-Experiences of Hikikomoris. Clinical Nursing Studies 9(2), 1–11. DOI:10.5430/cns.v9n2p1

Savolainen, R. (2009). Small world and information grounds as contexts of information seeking and sharing. Library & Information Science Research, 31(1), 38–45. (Archived by WebCite® at

Savolainen, R. (2019). Modeling the interplay of information seeking and information sharing: A conceptual analysis. Aslib Journal of Information Management. Vol. 71 No. 4, pp. 518–534.

Suominen, J., Saarikoski, P., & Vaahensalo, E. (2019). Digitaalisia kohtaamisia. Verkkokeskustelut BBS-purkeista sosiaaliseen mediaan. Gaudeamus.

Tajan, N. (2015). Japanese post-modern social renouncers: An exploratory study of the narratives of Hikikomori subjects. Subjectivity, 8(3), 283–304.

Teo, A. R. (2010). A new form of social withdrawal in Japan: a review of hikikomori. International journal of social psychiatry, 56(2), 178–185.

Teo, A. R. 2013. Social isolation associated with depression: A case report of hikikomori. International Journal of Social Psychiatry 59(4), 339–341.

Teo, A. R., Fetters, M. D., Stufflebam, K., Tateno, M., Balhara, Y., Choi, T. Y., ... & Kato, T. A. (2015). Identification of the hikikomori syndrome of social withdrawal: psychosocial features and treatment preferences in four countries. International Journal of Social Psychiatry, 61(1), 64–72.

Vorma, H, Rotko, T, Larivaara, M, Kosloff, A. 2020. National Mental Health Strategy and Programme for Suicide Prevention 2020–2030. Ministry of Social Affairs and Health. Publications of the Ministry of Social Affairs and Health 2020:15.

WHO. 2014. Mental health: Strengthening Our Response. news-room/fact-sheets/detail/mental-health-strengthening-our-response

WHO. 2022. Mental disorders.

Wilson, P. (1977). Public knowledge, private ignorance. Westport, Conn.: Greenwood Press.

Wilson, T.D. (1984). The cognitive approach to information seeking behavior and information use. Social Science Information Studies, 4(2–3), 197–204.