ABSTRACT
Public health promoting behaviors and lifestyle are quite important in adolescents and young adults. The present study aimed to translate and assess the validity and reliability of the health-promoting lifestyle questionnaire using factor analysis. In a descriptive study, 365 students at the Hamedan University of Medical Sciences were recruited by multistage randomized sampling method. The alpha Cronbach coefficient and confirmatory factor analysis were used to assess the validity and internal consistency of the health-promoting lifestyle questionnaire which has 40 questions. Confirmatory factor analysis fit 6-factor structure was confirmed [RMSEA=0.05, CFI=0.94, x2 = 1989.10, df=410, p<0.001]. For all factors except social support, the Alpha Cronbach's coefficient was in agreement range of equal or above 0.74. The Persian version of the health-promoting lifestyle questionnaire can be used as a valid and reliable tool for investigating health behaviors in adolescents and young adults and specially medical students