Trial reportJournal of medical Internet research2026
Effectiveness of WeChat Public Account Intervention Based on the Information-Motivation-Behavioral Skills Model Among College Students With Internet Addiction: Randomized Controlled Trial.
Trial report in Journal of medical Internet research, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT06704984 (The Effectiveness of WeChat Public Account Intervention Based on the IMB Model Among College Students With Internet Addiction), which is not on this map. Not yet cited in PubMed.
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The Effectiveness of WeChat Public Account Intervention Based on the IMB Model Among College Students With Internet Addiction: A Randomized Controlled Trial
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13 authors.
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Abstract
backgroundInternet addiction (IA) among college students causes multiple harms and increases suicide risk. Effective interventions can reduce these and have public health value.
objectiveThis study evaluates a WeChat public-account intervention based on the information, motivation, behavioral skills (IMB) model to reduce IA in college students and to examine mechanisms driving behavior change.
methodsA total of 226 college students aged 18 to 24 years with IA were recruited from a university in Anhui Province, China, and randomized (stratified by gender) to intervention (n=113) or control (n=113) groups. The intervention comprised a 6-week structured online program delivered via a WeChat public account, organized into 3 modules: information, motivation, and behavioral skills. Controls received no intervention. Preintervention data were subjected to statistical comparison using an independent sample t test, Mann-Whitney U test, and chi-square test. Primary and secondary indicators were measured using the Internet Addiction Test (IAT), Chinese Treatment Self-Regulation Questionnaire, and Internet Control Self-Efficacy Questionnaire. To evaluate the intervention's effects and identify pre- to postintervention changes, we used generalized linear mixed models and generalized estimating equations for analysis with SPSS software (version 23.0), considering statistical significance at α=.05. Participants were further stratified into mild and moderate to severe IA subgroups based on their baseline scores, and subgroup analyses were conducted to examine both the intervention effects within each stratum and the between-group differences across different addiction severity levels.
resultsThe intervention group showed a significant reduction in IA (χ
conclusionsThe WeChat public-account intervention based on the IMB model significantly reduced the level of IA in college students and simultaneously had a positive effect on increasing sleep duration. The decline in IAT scores observed in the moderate to severe subgroup was twice as large as that in the mild subgroup.
trial registrationClinicalTrials.gov NCT06704984; https://clinicaltrials.gov/study/NCT06704984.
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