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What's all the talk about? Topic modelling in a mental health Internet support group.

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  • معلومة اضافية
    • المصدر:
      Publisher: BioMed Central Country of Publication: England NLM ID: 100968559 Publication Model: Electronic Cited Medium: Internet ISSN: 1471-244X (Electronic) Linking ISSN: 1471244X NLM ISO Abbreviation: BMC Psychiatry Subsets: MEDLINE
    • بيانات النشر:
      Original Publication: London : BioMed Central, [2001-
    • الموضوع:
      Internet* ; Mental Health* ; Models, Psychological* ; Self-Help Groups*/organization & administration ; Self-Help Groups*/statistics & numerical data; Psychotherapy, Group/*methods; Adult ; Chi-Square Distribution ; Humans ; Mental Disorders/therapy ; Social Support
    • نبذة مختصرة :
      Background: The majority of content in an Internet Support Group (ISG) is contributed by 1 % of the users ('super users'). Computational methods, such as topic modelling, can provide a large-scale quantitative objective description of this content. Such methods may provide a new perspective on the nature of engagement on ISGs including the role of super users and their possible effect on other users.
      Methods: A topic model was computed for all posts (N = 131,004) in the ISG BlueBoard using Latent Dirichlet Allocation. A model containing 25 topics was selected on the basis of intelligibility as determined by diagnostic metrics and qualitative investigation. This model yielded 21 substantive topics for further analysis. Two chi-square tests were conducted separately for each topic to ascertain: (i) if the odds of super users' and other users' posting differed for each topic; and (ii) if for super users the odds of posting differed depending on whether the response was to a super user or to another user.
      Results: The 21 substantive topics covered a range of issues related to mental health and peer-support. There were significantly higher odds that super users wrote content on 13 topics, with the greatest effects being for Parenting Role (OR [95%CI] = 7.97 [7.85-8.10]), Co-created Fiction (4.22 [4.17-4.27]), Mental Illness (3.13 [3.11-3.16]) and Positive Change (2.82 [2.79-2.84]). There were significantly lower odds for super users on 7 topics, with the greatest effects being for the topics Depression (OR = 0.27 [0.27-0.28]), Medication (0.36 [0.36-0.37]), Therapy (0.55 [0.54-0.55]) and Anxiety (0.55 [0.55-0.55]). However, super users were significantly more likely to write content on 5 out of these 7 topics when responding to other users than when responding to fellow super users.
      Conclusions: The findings suggest that super users serve the role of emotionally supportive companions with a focus on topics broadly resembling the consumer/carer model of recovery. Other users engage in topics with a greater focus on experiential knowledge, disclosure and informational support, a pattern resembling the clinical symptom-focussed approach to recovery. However, super users modify their content in response to other users in a manner consistent with being 'active help providers'.
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    • Contributed Indexing:
      Keywords: Internet support group; Latent Dirichlet Allocation; Mental health; Peer-support; Super users; Topic modelling
    • الموضوع:
      Date Created: 20161030 Date Completed: 20170613 Latest Revision: 20181202
    • الموضوع:
      20240829
    • الرقم المعرف:
      PMC5084325
    • الرقم المعرف:
      10.1186/s12888-016-1073-5
    • الرقم المعرف:
      27793131