Effectiveness of WeChat Public Account Intervention Based on the Information-Motivation-Behavioral Skills Model Among College Students With Internet Addiction: Randomized Controlled Trial.

July 3, 2026

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Key Points

The study aims to evaluate the effectiveness of a WeChat public-account intervention on reducing internet addiction among college students and to identify behavioral change mechanisms.
Randomized controlled trial involving 226 college students aged 18 to 24 with internet addiction, divided into intervention (n=113) and control (n=113) groups.
The 6-week online intervention was based on the information-motivation-behavioral skills model, consisting of three modules.
Standardized assessments were conducted to measure internet addiction, motivation, and behavioral skills, and analyses applied statistical methods for significance testing.
Significant reduction in internet addiction levels in the intervention group (adjusted mean change -4.531, 95% CI -7.281 to -1.781; P=.001).
Increased sleep duration in the intervention group (odds ratio 2.186, 95% CI 1.142-4.183; P=.02).
Motivation and behavioral skills improved significantly post-intervention (adjusted mean change for motivation 4.283, 95% CI 0.804-7.763; P=.02; and for skills 3.407, 95% CI 1.771-5.043; P<.001).

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Randomized trial shows decreased internet addiction in college students using WeChat intervention, suggesting significant behavioral improvements.