Study design and participants
DISEASES
Convenience sampling was used to enroll seventh and eighth grade students from two junior middle schools in Changzhou, Jiangsu Province. All students were included except for those with serious physical and mental diseases. PASS11.0 software was used to estimate the overall probability of the sample size estimation method, with a test level of 0.85, allowable error of 0.05, and a two-sided test. According to the health literacy survey of Chinese residents in 2020, the health literacy level of adolescents was 27.4% [