Background: Adolescence is a sensitive period of acquiring normal and abnormal habits for all of life. The study investigates determinants of responsibility for health, spiritual health and interpersonal relations and predictive factors based on the theory of planned behavior in high school girl students in Tabriz.   Methods : In this Cross-sectional study, 340 students were selected thorough...

aim: level of physical activity as key determinant of healthy lifestyle is less than what isrequired in individuals particularly women. applying theories of behavioral change aboutcomplex behaviors such as physical activity leads to identify effective factors and their relations.the aim of this study was to determine predictors of exercise behavior based on developedtheory of planned behavior w...

background: since type-2 diabetes is the most common chronic disease among iranian female adolescents, we applied theory of planned behavior to examine the effect of training to intention to preventative nutritional behaviors for type-2 diabetes among female adolescents.   methods: in this experimental study 200 (11-14 year old) girls from 8 schools of tehran city (100 in each intervention and ...

background: smoking is one of the preventable causes of diseases as well as early deaths all around the world. in addition, conducting educational interventions plays a major role in preventing adolescents from smoking. therefore, the present study aimed to investigate the effect of educational intervention based on the theory of planned behavior on preventing shirazi students from smoking. met...