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Reductions in the age at onset of smoking to adolescence is a public health concern. Evidence suggests that cognitive factors(CF)play an important role in adolescent smoking behavior. the present study aimed to perform a psychometric analysis of the questionnaire of CF on smoking behavior and evaluate the theoretical framework with a path analysis approach in adolescents in Isfahan, Iran. This psychometric cross-sectional study recruited a sample of 340 adolescents selected by simple random stratified clustered sampling in Isfahan in 2019. The data were collected using a researcher-made questionnaire on cognitive variables based on Bandura’s social cognitive theory. The participants’ mean age was16.67(0.98) years. The content validity index, content validity ratio, and total corrected item-total correlations index of the questionnaire of CF were 0.79, 0.56, and 0.362 respectively. The results of confirmatory factor analysis showed acceptable goodness of fit for the first and second-order measurement models of cognitive variables and the results of path analysis showed acceptable goodness of fit for the explanatory model of CF. This study proposed a reliable and valid explanatory model of CF and its questionnaire for smoking behavior. The questionnaire can also be utilized in future research on smoking behavior in adolescents.

Assessment of the questionnaire of cognitive factors and adolescent smoking behavior: A psychometric study