Evaluation of intrapersonal and interpersonal factors of male adolescent smoking

The adolescence tobacco prevention is an especially important public health goal. the purpose of this study is evaluation of intrapersonal and interpersonal factors of cigarette smoking among male adolescents based on theory of planned behavior. a sample of 400 high schools students, were collected in a crosssectional survey.the outcome variable was cigarette smoking within the past 30 days preceding the survey while independent variables included intrapersonal factors (age, components of the tpb model, self-esteem) and interpersonal factors (family members’ smoking, smoking friends, independent room, member of sport team, grade point average, parental educational status, parental occupation status). data were analyzed using descriptive statistics, independent samples t-test and logistic regression analysis. the mean age of participants was 16.7 ± 1.5 years. the prevalence of current smoking was 14.7%. in regression analysis, cigarette smoking was associated with intrapersonal factors [selfefficacy (or =.83; 95% ci: (.72-.97), normative beliefs (or =.82; 95% ci: (.70-.95), behavioral beliefs (or = .76; 95% ci: (.65-.89), self-esteem (or = .71; 95% ci: (.61-.82), knowledge (or =.63; 95% ci: (.39-1)] and some of interpersonal factors [having family members’ who smokes (or =3.6; 95% ci: (1.4- 8.5), smoking friends(or =2.3; 95% ci: (1.5-6.6), member of sport team(or =1. 5; 95% ci: (1.2-5.4).self-efficacy, normative beliefs, behavioral beliefs, self-esteem, knowledge, family members’ smoking, smoking friends, member of sport team, were independently associated with current smoking among zarandieh adolescents. we believe public health programs targeting adolescent smoking should consider these factors in their design and implementation of interventions.