Theory of planned behavior-based cross-sectional study of family sex education for preschoolers in China: rural-urban comparative analysis

The PFSE in Luzhou could be improved by increasing parents' attitudes and social communication, especially for those living in rural areas. Effective implementation and practices of PFSE require correcting the attitudes of parents, improving parents' sexual knowledge, and strengthening social communication so as to promote the sexual and reproductive health of children in China, especially those left behind in rural areas.