Volume 18, Issue 2 (7-2019)                   TB 2019, 18(2): 1-11 | Back to browse issues page

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mazloomy Mahmoodabad S S, Sadeghi S, Jadgal M S, Yoshani N, Aghtabay R, Alizadeh S. Application of the Theory of Planned Behavior to Predict Drug Abuse Related Behaviors among Adolescents. TB 2019; 18 (2) :1-11
URL: http://tbj.ssu.ac.ir/article-1-1922-en.html
, jadgal_kh@yahoo.com
Abstract:   (2728 Views)

Drug abuse is one of the important challenges in the field of mental health and adolescence health promotion. Because of the social and medical cost of drug abuse and its consequences among youth people, it is necessary to intervene effectively. This theoretical based study explained predictability of the Theory of Planned Behavior (TPB) on drug abuse related behaviors among adolscents. 


This cross-sectional study was conducted in Chabahar City in 2015 among 300 male adolescents, recruited randomly. All data were collected using a researcher-made questionnaire with confirmed reliability and validity. The data were analyzed by independent t- test and pearson correlation. 

we found that 77% of the participants had no history of parental drug abuse. Furthermore, 72% of participants reported a history of using industrial drugs in their friends. The Chi-square test showed that adolescent's smoking had a significant relationship with father's education, family size, history of using industrial drugs in parents , history of using industrial drugs in friends, and the participants' business o (P˃0.000). However, the level of maternal education (P = 682) and living with parents (P = 729) had no significant relationship with the adolescents' smoking rate


since knowledge and attitude had the highest correlation and predictability with industrial drug abuse among the adolescents, theory of planned behavior can be used properly and effectively to plan and implement  prevention programs among the adolescents.

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Type of Study: Research | Subject: Special
Received: 2016/01/31 | Accepted: 2016/03/6 | Published: 2019/07/15

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