This article examines individual and social factors associated with initiation of illicit drug
injection, with a focus on racial differences. Data were derived from a cross-sectional survey …

Objective. The purpose of this study was to evaluate the extent to which demographic,
sexual, and non-injection drug use practices predict adolescent initiation of injection drug …

Background and objectives: Gender differences in illicit drug use patterns and related harms
(eg HIV infection) are becoming increasingly recognized. However, little research has …

BACKGROUND: Studies of injection drug use cessation have largely sampled adults in drug
treatment settings. Little is known about injection cessation and relapse among young …

Objective: The goal of our study was to elucidate characteristics of persons likely to transition
into injection drug use so that an identifiable group with high-risk for blood-borne infection …

Aims: Efforts to prevent youth from initiating injection drug use require an understanding of
the drug use patterns that predispose to injecting. Here we identify such patterns and …

This article describes how the drug type injected at the first injection event is related to
characteristics of the initiate, risk behaviors at initiation, and future drug-using trajectories. A …

Background Street-involved youth are at high risk for experimenting with injection drug use;
however, little attention has been given to identifying the factors that predict progression to …

Little attention has been placed on preventing transition from non-injection to injection drug
use. The primary purpose of this qualitative study was to explore the spheres that influence …

Heroin overdoses increased sharply in the US in the 1990s, but few studies have addressed
overdose risk. We examined overdosing and injection-related risk behavior in young …