Assessment of the questionnaire of environmental factors and adolescentsmoking behavior: a psychometric study

Background: Smoking is one of the leading causes of mortality in the world. Evidence suggeststhat environmental factors (EF) play an important role in adolescent smoking behavior. Therefore,the present study aimed to perform a psychometric analysis of the questionnaire of EF on smokingbehavior and evaluate the theoretical framework with a path analysis approach in adolescents inIsfahan, Iran.Methods: This psychometric cross-sectional study recruited a sample of ۳۴۰ adolescents selectedby simple random stratified clustered sampling in Isfahan in ۲۰۱۹. The data collection tool was aresearchermade questionnaire of EF.Results: The participants’ mean age was ۱۶.۶۷ (۰.۹۸) years. The content validity index andcontent validity ratio of the questionnaire of EF were ۰.۸ and ۰.۵۸, respectively, and its totalcorrected item-total correlations index was ۰.۳۷۷. The results of confirmatory factor analysisshowed acceptable goodness of fit for the first-order measurement model of environmentalvariables, and the results of path analysis showed acceptable goodness of fit for the explanatorymodel of EF.Conclusions: The present study provided a valid and reliable explanatory model of EF of smokingbehavior and its related questionnaire, so it can be used in studies related to adolescent smokingbehavior.

کلیدواژه ها:

Smoking ، Adolescent ، Environmental Factors ، Path Analysis