Results revealed 14% of the subjects drank alcohol within the previous month.
In addition, the males reported more episodes (3.8 per month) of alcohol
consumption and more intake consumption (4.7 glasses per episode) than the
females. Regression analysis demonstrated the explanatory power of the Theory of
Planned Behavior, in that perceived behavioral control predicted behavioral intention
beyond attitude and subjective norm. The adolescents’ intention to drink alcohol and
perceived behavioral control explained 9.2% of variance in their drinking behavior,
while their perceived behavioral control had a significant positive effect on both
intention to drink and drinking behavior.