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AIMS To examine the prevalence and correlates of crystal methamphetamine use among young adults in the USA. DESIGN Cross-sectional analyses of nationally representative data of young adults from the National Longitudinal Study of Adolescent Health (Add Health). SETTING In-home interviews conducted in 2001-02. PARTICIPANTS A total of 14,322 respondents(More)
The purpose of this paper is to examine the effectiveness of Reconnecting Youth, a prevention program for at-risk high school youth. Data are from a large, independently evaluated effectiveness trial in two diverse urban school districts. A total of 1,218 students participated; 50% were male; average age was 15. We tested whether positive efficacy trial(More)
BACKGROUND The notion that adolescents "self-medicate" depression with substance use and sexual behaviors is widespread, but the temporal ordering of depression and these risk behaviors is not clear. This study tests whether gender-specific patterns of substance use and sexual behavior precede and predict depression or vice versa. METHODS Data are from(More)
OBJECTIVE Federal initiatives continue to provide strong support for community antidrug coalitions, but whether this approach actually reduces substance abuse is not clear. This paper examines the strategies that coalitions in a large national demonstration program (Fighting Back) chose to develop, the degree to which they implemented these strategies, and(More)
OBJECTIVE This study examined the prevalence and correlates of exchanging sex for drugs or money among a nationally representative sample of 13,294 adolescents in the United States. METHODS Data are from the National Longitudinal Study of Adolescent Health, waves I and II. The lifetime prevalence of exchanging sex was estimated and a cross sectional(More)
OBJECTIVE This study uses a cluster analysis of adolescents, based on their substance use and sexual risk behaviors, to 1) examine associations between risk behavior patterns and depressive symptoms, stratified by gender, and 2) examine gender differences in risk for depression. METHODS Data are from a nationally representative survey of over 20,000 U.S.(More)
This paper contributes new evidence on the association between immigrant status and health by describing and attempting to explain patterns of co-occurring sex and drug use behaviors among Asian and Latino adolescents in the United States. Nine patterns of sex and drug use behaviors were identified from a cluster analysis of data from 3,924 Asian and Latino(More)
This paper examines genetic contribution to suicidal behaviors and other risk factors associated with suicidal behavior among adolescents in the U.S. Using adolescent twin data in the National Longitudinal Study of Adolescent Health (N = 1448), we compared concordance in suicidal ideation and attempt among monozygotic (MZ) and dizygotic (DZ) twins.(More)
Society increasingly holds schools responsible for the effectiveness of health promotion activities, such as drug abuse prevention efforts funded through the federal Safe and Drug-Free Schools program. Consequently, school districts use student surveys as a method for assessing trends and evaluating effects of programs on behavior. Because cost and(More)
BACKGROUND Depression is common among adolescents, and suicide is the third leading cause of death among 15- to 19-year-olds. Although both health problems have been associated with drug use and early sexual intercourse, the relationship has not been systematically studied in a nationally representative sample. METHODS Sixteen patterns of combined sex and(More)