BACKGROUND Adolescent smoking is positively related to weight control attempts, especially by unhealthy methods. The co-occurrence of smoking and unhealthy weight control behaviors may cause serious health problems in adolescents. This study examined the relationship of smoking with unhealthy weight control behaviors among Korean adolescents. METHODS This cross-sectional study involved 31,090...

This study explored the relationship of the subjective socioeconomic position (SEP) as well as the objective SEP with the rate of suicide attempts in 74,186 adolescents from the 2012 Korea Youth Risk Behavior Web-based Survey (KYRBS). The SEP was measured by the Family Affluence Scale (FAS) and the self-rated household economic status. The low perceived SEP for either the high or low FAS score ...

Objectives This study was conducted to compare adolescents' health behaviors and psychological status according to whether or not their mother was born in Korea. Methods This secondary analysis used nationally representative data from the 2015 Korean Youth Risk Behavior Web-based Survey. The self-administered questionnaire included computer measured socio-demographic variables, 15 health beha...

BACKGROUND The purpose of the present study was to examine differences in lifestyle factors such as physical activity among homosexual (gay or lesbian), bisexual, and heterosexual Korean adolescents. METHODS The sample consisted of 74,186 adolescents from grades 7-12 (ages 12-18) who participated in the 8(th) annual Korea Youth Risk Behavior Web-based Survey in 2012. Of this sample, only 11,8...

This study was conducted to estimate the prevalence and associated factors of subjective halitosis in adolescents. In total, 359,263 participants were selected from the Korea Youth Risk Behavior Web-based Survey (KYRBWS) from 2009 through 2013. Demographic data including age, sex, obesity and residency; psychosocial factors such as subjective health, stress, and economic levels; and dietary fac...

article should be submitted as soon as possible. Otherwise someone else may publish a similar study from the same dataset before you do. Second, investigators must be familiar with the huge and complex data structure and study design of the KNHANES. Nonresponse and multi-stage probability sampling should be taken into account by using survey statistics to estimate the data of the whole Korean p...

OBJECTIVES Although cigarette smoking is known to be related to the exacerbation of asthma symptoms, several studies have indicated that the prevalence of cigarette smoking among asthmatic adolescents is similar to or even higher than that among non-asthmatic adolescents. The aim of this study was to evaluate the relationship between asthma and cigarette use behaviors and whether or not the pre...

BACKGROUND The purpose of this study was to investigate the association between physical inactivity and academic record in Korean adolescents. METHODS Adolescent students from the first grade of middle school to the third grade of high school (n=75,066) participated in the 5th Korea Youth Risk Behavior Web-based Survey project in 2009. The association between physical inactivity and academic ...

Most studies of bullying behavior have been conducted with general populations during childhood and early adolescence. Although incarcerated youth are at increased risk for bullying others, incarcerated youth in the United States have rarely been studied regarding their bullying behavior prior to incarceration. Understanding the psychological and antisocial correlates of strong-arm bullying pri...

BACKGROUND The mental health of the offspring of immigrants is a major public health concern. In this study, we examined associations of multicultural status and parental country of birth with adolescent mental health in South Korea, and assessed the effect of socioeconomic position (SEP) on these associations. METHODS We used four waves of the Korea Youth Risk Behavior Web-based Survey (KYRB...