ArticleResearch on child and adolescent psychopathology2026
Longitudinal Association Between Bullying Victimization and Pediatric Functional Gastrointestinal Disorders (FGIDs) in Chinese Adolescents: Trajectories and Bidirectional Associations.
Article in Research on child and adolescent psychopathology, 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
Bullying victimization (BV) is a pervasive chronic stressor associated with functional gastrointestinal disorders (FGIDs) in adolescents, affecting 18.8–27.3% of Chinese youth. Although cross-sectional links are established, longitudinal trajectories and bidirectional dynamics of BV and FGIDs in China are underexplored, hindering targeted interventions. This study mapped BV developmental trajectories, identified subgroups, examined co-developmental associations with FGIDs, and tested bidirectional relationships among Chinese adolescents. A three-wave longitudinal cohort of 5,344 adolescents in Yunnan Province was analyzed. BV was measured via the Olweus Bully/Victim Questionnaire, and FGIDs via Rome IV criteria. Latent growth curve modeling (LGCM) depicted BV trajectories; latent class growth analysis (LCGA) identified subgroups; parallel-process LGCM assessed co-development; and random-intercept cross-lagged panel models (RI-CLPM) evaluated bidirectional effects. BV exhibited a linear decline (intercept: 0.71, slope: -0.12, p < 0.001). LCGA identified four trajectories: declining (59.9%), high-stable (16.6%), rapidly increasing (6.5%), and gradually increasing (17.0%). Parallel-process LGCM revealed positive correlations between initial BV and FGID levels (β = 0.17, p < 0.001) and change rates (β = 0.24, p = 0.001). RI-CLPM showed a positive between-person correlation (r = 0.28, p < 0.001) and unidirectional within-person effect, with BV predicting FGIDs (β = 0.19, p = 0.015) but not vice versa (β = 0.02, p = 0.759). Findings highlight heterogeneous BV trajectories and their predictive impact on FGIDs in Chinese adolescents, emphasizing unidirectional BV influence. This underscores early screening and anti-bullying interventions to reduce FGIDs and enhance health in high-risk contexts.
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