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- Title
Development and Validation of a Short-Form Internet Overuse Screening Questionnaire for Adults.
- Authors
Park, Soowon; Lee, Seungchan; Choi, Boungho; Cho, Seunghee; Hong, Jin-Pyo; Jeon, Hong Jin; Kim, Jeongsim; Park, Jee Eun; Lee, Jun-Young
- Abstract
Aims: The aim of the current study was to develop and validate a short-form of the internet overuse screening questionnaire (IOS-Qs). Methods: A total of 571 adults were recruited from a representative, stratified, and multistage cluster sample. Among participants, 188 and 383 were used in the development and validation of the IOS-Qs, respectively. Results: Experts' ratings and Rasch model analyses led to the selection of 8 items from the IOS-Qs; latent-class analysis using these 8 items revealed an estimated prevalence of 8.6% (33 out of 383) of problematic internet over-users. Problematic internet over-users were positively associated with a 1-year prevalence rate of any mental disorder (OR 3.08, p = 0.008), mood disorder (OR 7.11, p = 0.003), and depressive disorder (OR 5.22, p = 0.016). The receiver operating characteristic curves identified an optimal cutoff score of 9.5 for differentiating problematic internet over-users from unproblematic internet users with 94% sensitivity and 94% specificity. Conclusion: The results suggest that the IOS-Qs was valid, and items including social isolation were crucial to the brief distinction of at-risk internet users. Because of its brevity, the questionnaire can be effectively administered as a large-scale survey.
- Subjects
RECEIVER operating characteristic curves; MENTAL depression; INTERNET; RASCH models; INTERNET users
- Publication
European Addiction Research, 2020, Vol 26, Issue 6, p335
- ISSN
1022-6877
- Publication type
Article
- DOI
10.1159/000506629