PURPOSE: To explore whether patterns of sexual relationships, such as sequential
(nonoverlapping in time) or concurrent (overlapping in time), are more important indicators …

Goal of the Study: To determine the frequency with which adolescents have concurrent
partners during a main relationship and the association between having concurrent partners …

PURPOSE:: The objective of this research is to describe aspects of the organization of
adolescent sexual behavior in order to understand factors associated with risk for sexually …

Purpose: To examine the relationship between number of sexual partners and selected
health risk behaviors in a statewide sample of public high school students. Methods: The …

Background: Heterosexual intercourse with two or more partners in a short time period
represents a highrisk behavior for acquisition and transmission of sexually transmitted …

Objective: To evaluate the potential causal relationship between alcohol and drug use and
behavior that increases the risk of sexually transmitted diseases. Study Design: Longitudinal …

Objective: To examine the relationship of multiple sexual-partners to other risk behaviors
among adolescent girls. Methods: Ninth-through 12th-grade sexually active girls (N= 3288) …

Purpose: To determine the association between new sex partner acquisition and incident
STDs, to describe predictors of acquiring a new sex partner, and to compare new and …

OBJECTIVE: The main objective of this study is to better understand the associations
between forced sex history and history of sexually transmitted disease (STD) infection. Three …

Context: Women's and men's number of sexual partners and protective practices such as
condom use can have a direct effect on their risk of contracting sexually transmitted diseases …