BMC Psychol. 2025 Aug 12;13(1):902. doi: 10.1186/s40359-025-03169-y.
ABSTRACT
BACKGROUND: The prevalence of depressive and anxiety symptoms in children is increasing, often presenting as co-occurring symptoms, yet screening for such co-occurrence remains inadequate. This study investigates repetitive negative thinking (RNT) as a transdiagnostic factor in the co-occurrence of depression and anxiety symptoms in children, aiming to develop novel early screening strategies.
METHODS: Two cross-sectional surveys collected demographic information and self-reported measures of depression, anxiety, and RNT from primary school students in China. Structural equation modeling and network analysis were used to examine relationships among variables. Additionally, four machine learning algorithms (random forest, support vector machine, decision tree, and extreme gradient boosting) were applied to predict the co-occurrence of depression and anxiety symptoms.
RESULTS: RNT and its factors were significantly positively correlated with depressive and anxiety symptoms (r = 0.56-0.68, p < 0.001) and mediated 12.94% of their bidirectional relationship (95% CI, 10.60%-15.27%). Network analysis revealed that RNT’s core features exhibited the highest bridge betweenness and bridge expected influence, indicating a critical mediating role in the co-occurrence of symptoms. The random forest model showed optimal predictive performance (AUC = 0.90, recall = 0.95), supporting its applicability for early screening.
CONCLUSION: RNT, particularly its core features, may play an important transdiagnostic role in the co-occurrence of depression and anxiety symptoms in children. This study provides an effective method for early screening in resource-limited settings, particularly in educational settings. Future research should validate the utility of RNT-targeted interventions, such as mindfulness-based therapies.
PMID:40796881 | DOI:10.1186/s40359-025-03169-y
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