چکیده:
In the world, the trend of increasing waterpipe smoking was more
than the cigarettes. The aim of this study was to determine of
effectiveness of an educational intervention based on theory of
planned behavior (TPB) to reducing waterpipe smoking in the
male college students who were living in dormitories of Tehran
Univercity of Medical in 2011. In quasi-experimental study,
90 university were selected by random sampling method. Data
collection was performed by designed questionnaire based on
TPB constructs and demographic variables. The participants filled
out questionnaires before the intervention. Education intervention
was designed according to pre-test results and performed for
intervention group. Two groups were followed- up two-months
after completion of intervention and filled out questionnaires
again. The collected data were analyzed by SPSS software, Chi-
Square test, One-wayANOVA, independent-samples T test and
Student’s paired-samples t test. Findings of the present study
showed that there were significant differences between the mean
score of attitude, behavioral intention, subjective norms and
perceived behavioral control in the experiment group compared
with the control group after intervention. In addition, significant
reductions in the frequency of waterpipe smoking were observed in
the intervention group as compare to the control group. The results
showed that developed educational intervention based on TPB
constructs can be modified positive perceptions of college students
toward waterpipe smoking and also reducing of smoking it.