developmental and psychometric properties of a belief-based reproductive health behavior questionnaire for female adolescents

Background: the aim of this study was to develop and evaluate the psychometric properties of a questionnaire for the measurement of reproductive health among female adolescents in iran. methods: this cross-sectional study was conducted among 289 female students aged 12-15 yr in tehran, iran from 2015-2016. the participants were selected using multi-stage random cluster sampling. in addition, the belief-based reproductive health questionnaire (bbrhq) was designed using the properties of the theory of planned behavior (tpb). results: exploratory factor analysis of 104 items identified a six-factor solution. these factors jointly accounted for 67% of the observed variance of outcome variable. the confirmatory factor analysis indicated a good fit to the data. in addition, the cronbach’s alpha coefficient showed an excellent internal consistency (alpha=0.92). conclusion: belief-based reproductive health questionnaire (bbrhq) is a valid and reliable instrument for measurement of reproductive health behaviors of adolescents.