Brief Report

AIDS and Behavior

, Volume 15, Issue 4, pp 869-874

Number of Sexual Partners and Associations with Initiation and Intensity of Substance Use

  • Patricia A. Cavazos-RehgAffiliated withDepartment of Psychiatry, Washington University School of Medicine Email author 
  • , Melissa J. KraussAffiliated withBiostatistics, Washington University School of Medicine
  • , Edward L. SpitznagelAffiliated withBiostatistics and Department of Mathematics, Washington University
  • , Mario SchootmanAffiliated withHealth Behavior Research, Washington University School of Medicine
  • , Linda B. CottlerAffiliated withDepartment of Psychiatry, Washington University School of Medicine
  • , Laura Jean BierutAffiliated withDepartment of Psychiatry, Washington University School of Medicine

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Abstract

We dissected associations between initiation and intensity of substance use and number of sexual partners using pooled data from high school seniors (weighted n = 13,580) who participated in the 1999–2007 Youth Risk Behavior Surveillance System (YRBS), a cross-sectional, nationally representative survey. In multinomial multivariable logistic regressions, number of sexual partners steadily increased as substance use intensified from never use to experimental/new user to heavy use across all substances for both male and females. Severity of substance use is more closely related to, and thus a better indicator of, higher number of sexual partners than age of substance use onset.

Keywords

Sexual behaviors Sexual partners Substance use Smoking Alcohol consumption