ArticleJournal of eating disorders2026
Longitudinal associations between problematic TikTok use and academic performance among Chinese college students: mediation by academic burnout and disordered eating.
Article in Journal of eating disorders, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
purposeAlthough problematic TikTok use (PTTU) and disordered eating have each been linked to poorer academic outcomes, few studies have examined their interplay-particularly the distinct roles of thinness- versus muscularity-oriented eating-and the contribution of academic burnout. This study tested whether baseline PTTU prospectively predicted subsequent-semester GPA through parallel and sequential pathways involving academic burnout and both eating-pathology orientations among Chinese undergraduates.
methodsTikTok-using students from three Chinese universities (N = 475; M
resultsBaseline PTTU was inversely associated with later GPA (r = - 0.33, p < 0.001). Mediation analyses indicated that academic burnout (β = -0.02, 95% CI [- 0.043, - 0.003]), thinness-oriented disordered eating (β = -0.04, 95% CI [- 0.073, - 0.001]), and muscularity-oriented disordered eating (β = -0.03, 95% CI [- 0.061, - 0.002]) each significantly conveyed portions of the PTTU-GPA association, consistent with parallel indirect effects.
conclusionPTTU was associated with lower end-of-semester GPA, in part through academic burnout and dual (thinness- and muscularity-oriented) disordered-eating pathways. Integrated campus strategies addressing digital overuse, body-image pressures, and study-related exhaustion may help safeguard academic achievement.
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