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Background: Early childhood represents a critical period for sex education and family-based education is essential to this process. However, many parents lack the knowledge and skills to deliver effective sex education, which significantly hinders implementation and effectiveness for this age group. Methods: In a cluster-randomized trial conducted in 2022, parents of preschool children from four kindergartens in Luzhou City were assigned by class to receive either a 6-month online sex education program grounded in the Theory of Planned Behavior (TPB) via WeChat or conventional health education. Parental knowledge, attitudes, and practices (KAP) were assessed at baseline and post-intervention. Intervention effects were evaluated using Analysis of Covariance (ANCOVA) and Generalized Estimating Equations (GEE) to account for baseline covariates and potential cluster effects. Results: = 0.001). Conclusion: The TPB-based online intervention effectively enhances parental competencies in early childhood sex education. This digital model provides a scalable and accessible strategy for health promotion, with significant implications for narrowing the implementation gap in family-based sex education and supporting children's long-term sexual health.
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Zhao Chen
Rong Zhang
Yiru Wang
Frontiers in Public Health
Southwest Medical University
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Chen et al. (Mon,) studied this question.
www.synapsesocial.com/papers/6a081f0cab15ea61dee8ada5 — DOI: https://doi.org/10.3389/fpubh.2026.1817229