Denise Dion Hallfors

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This study examines adoption and implementation of the US Department of Education's new policy, the 'Principles of Effectiveness', from a diffusion of innovations theoretical framework. In this report, we evaluate adoption in relation to Principle 3: the requirement to select research-based programs. Results from a sample of 104 school districts in 12(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)
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)
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)
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)
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)
Since 1998, federal policy has explicitly required the use of “evidence-based” prevention programs in schools. We review how this policy has been implemented through state recipients of the Safe and Drug Free Schools (SDFS) Program, and how other federal and private agencies have supported the policy by providing guidance about the scientific evidence for(More)
OBJECTIVES We used nationally representative data to examine whether individuals' sexual and drug behavior patterns account for racial disparities in sexually transmitted disease (STD) and HIV prevalence. METHODS Data were derived from wave III of the National Longitudinal Study of Adolescent Health. Participants were aged 18 to 26 years old; analyses(More)
OBJECTIVES Using a randomized controlled trial in rural eastern Zimbabwe, we tested whether comprehensive support to keep orphan adolescent girls in school could reduce HIV risk. METHODS All orphan girls in grade 6 in 25 primary schools were invited to participate in the study in fall 2007 (n = 329). Primary schools were randomized to condition. All(More)
PURPOSE Delay of sexual debut is an important strategy in reducing the risk of negative adolescent health outcomes. Race and gender are known to be related to sexual behavior and outcomes, but little is known about how these characteristics affect sexual attitudes. This article examines differences in coital and pregnancy attitudes by gender and race, the(More)