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 ...

Many couples in the Islamic Republic of Iran rely on coital withdrawal for contraception. The purpose of this cross-sectional study was to use the theory of planned behaviour to explore factors that influence withdrawal users' intent to switch to oral contraception (OC). Participants were 336 sexually active, married women, who were current users of withdrawal and were recruited from 5 public f...

This study tested the utility of the Theory of Planned Behaviour (TPB) to predict mothers' decisions to ensure their child engages in sun-protective behaviours. Mothers (N = 162) of children aged four or five years completed standard TPB items (attitude, subjective norm, perceived behavioural control, intention) and additional variables of role construction, mothers' own sun safe behaviour, pla...