Prevalence of conduct disorder in primary school students, Kerman, 2004


Hassan Ziaaddini 1 , * , Ahmad Mirkafi 2 , Nozar Nakhaei 3


1 Associate Professor Department of Psychiatry, Kerman University of Medical Sciences, Kerman, Iran.

2 Resident, Department of Psychiatry, Kerman University of Medical Sciences, Kerman, Iran.

3 Assistant Professor Department of Community Medicine, Kerman University of Medical Sciences, Kerman, Iran.


Hormozgan Medical Journal: 11 (3); e89566
Published Online: November 12, 2006
Article Type: Research Article
Received: December 17, 2005
Accepted: November 12, 2006




Introduction: Conduct disorder is an enduring set of behaviors that evolves over
time, and it is often characterized by aggression and violation of others rights. The
goal of this study was to assess the prevalence of conduct disorder in the mentioned
population and its association with some underlying variables.
Methods: In this cross-sectional study, target population consisted of all students
studying at grades 3 to 5 of primary schools in Kerman city in 2004. A two-stage
stratified sampling was accomplished. At the first stage, Michael Rutter's
questionnaire was used. The cutting points in the parents' and teachers' questionnaire
were 13 and 9, respectively. At the second stage, a clinical interview according to
DSM-IV-TR was conducted to confirm the diagnosis. Mean scores comparison was
done by t-test and ANOVA. Multidimentional logistic regression was used for
determining the association between conduct disorder and underlying variables. The
significant level was considered 5%.
Results: At first stage, 1419 students returned both parent and teachers
questionnaires. Of these, 393 were suspicious of conduct disorder. Clinical
interview revealed that the prevalence of conduct disorder in boys and girls were
13.2% and 7.3%, respectively. The probability of conduct disorder increases
significantly with gender, decease of mother and harsh, or moderately harsh
behavior of parents according to relatives' point of view (P<0.05).
Conclusion: Regarding meaningful association between conduct disorder and the
above mentioned variables, teaching right methods of controlling impulses and
behaving toward children is mandatory for parents and teachers. Furthermore,
physicians and mental health decision makers, should get acquaintance with signs and
influencing factors of conduct disorder for early detection and prompt treatment.


Conduct Disorder – Students – Prevalence

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