Background: Adolescence is the age of increased sensation-seeking and risk-taking. To prevent such behaviors, the adolescent tendency to engage in high-risk behaviors must be measureable. This study aimed to develop a questionnaire about risk-taking tendencies among Iranian students.Methods: This study was conducted using cluster sampling of the tenth-grade students in three cities in Kerman pr...

Background It has been proved that physical activity has positive effects for all people. However, low activity is common among adolescents especially girl teenagers. The present study aimed to determine the condition of physical activity among girl adolescents by use of the stages of change derived from Trantheoretical model (TTM). Materials and Methods: This descriptive- analytical investiga...

PURPOSE The purpose of this study was to determine the relationship between peer and parental factors and smoking behavior of adolescents in urban cities and to investigate whether there are gender differences. METHODS A stratified and random cluster sampling design was used to obtain a cross-sectional sample of high school students in two urban cities. The sample consisted of 512 Korean adol...

OBJECTIVE The present study investigates whether youths with childhood-onset antisocial behavior have higher rates of psychiatric illness, neuropsychological and psychosocial dysfunction than youths who engage in antisocial behavior for the first time in adolescence. Prior studies have generally focused on single domains of function in heterogeneous samples. The present study also examined the ...

This study used a sample of 501 families from the Mississippi Delta region to examine the feasibility of the Family Stress Model for understanding adolescent suicidal ideation. The results indicated that family economic pressure was related to parental depressive symptoms, which, in turn, was related to parental hostile behavior and physical abuse. These parental behaviors were related to adole...

BACKGROUND Although rates of tobacco use and exposure to second-hand smoke (SHS) are declining in Canada, SHS exposure among non-smoking adolescents remains high. This study aimed to describe frequency, locations, and avoidance behavior related to SHS exposure among adolescent girls in British Columbia, Canada. METHODS Data were analyzed from 841 adolescent girls aged 13 to 15 years old who c...

BACKGROUND The relationship between depression and aggressive behaviors in adolescents has previously been reported in clinical and epidemiological studies. However, there is conflicting evidence concerning the effect of gender on this relationship. This study tested whether the link between depressive symptoms and physical aggression differed between boys and girls in a large community-based s...

BACKGROUND Intention to smoking is a strong predictor of future smoking behavior. The aim of this study is identifying the personal, environmental, and psychological factors relating to intention to smoking in adolescents of Tabriz city (Northwest of Iran). METHODS Four thousand nine hundred and three (4903) students were randomly selected and completed a self-administered questionnaire about...

In this longitudinal study of prenatal cocaine exposure (PCE), school-age physical and cognitive development and behavioral characteristics were examined, while controlling for other factors that affect child development. At this follow-up phase, children were on average 7.2 years old, and their caregivers were 33.7 years old, had 12.5 years of education, and 48% were African American. During t...

PURPOSE This study investigated genetic and environmental commonalities and differences between aggressive and non-aggressive antisocial behavior (ASB) in male and female child and adolescent twins, based on a newly developed self-report questionnaire with good reliability and external validity - the Self-Report Delinquency Interview (SR-DI). METHODS Subjects were 780 pairs of twins assessed ...