Objective To construct a structural equation model(SEM) for describing the correlation of fruit and vegetable intake behaviors with psychological and social factors among adolescents and to explore the extent and mechanism of psychological and social influences on the behaviors. Methods We conducted a questionnaire survey among 1 858 students(mean age = 15.06 ± 4.39 years) selected in two high schools in Hangzhou and Jiaxing city of Zhejiang province with stratified random cluster sampling in May 2015. Info...