Illicit Drug Use Among Men Who Have Sex with Men (MSM) and Men Who Have Sex with Men and Women (MSMW) in Online HIV Behavioral Survey in 2013 公开

Huang, Morong (2016)

Permanent URL: https://etd.library.emory.edu/concern/etds/b5644r64n?locale=zh
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Abstract

Background: Different subgroups are disproportionally affected by HIV prevalence. Men who have sex with men (MSM), including men who have sex with men and women (MSMW), and the use of illicit drugs are considered risk factors for HIV infection. Few nationwide studies with large sample sizes have been done to explore the association between MSM and illicit drug use among different subgroups.

Objectives: To examine the association between MSM/MSMW and past illicit drug use, and the effect of HIV status on illicit drug use among MSM/MSMW.

Methods: This study extracted nationwide cross-sectional data from the 2013-2014 American Men's Internet Survey, including participants' demographic characteristics, sexual behaviors, and self-reported HIV status. Illicit drug use referred to using drugs that were not prescribed for participants at least one time. The outcomes were illicit drug use at last sex with a male partner, and illicit drug use in the past 12 months. This study examined the association between MSM/MSMW and the two drug use measures using multivariable modeling, and controlling for demographic factors and self-reported HIV status.

Result: A total of 10,377 MSM/MSMW were analyzed (90.46% MSM, 9.54%MSMW). In this study, 11.47% (N=1,074) MSM and 3.44% (N=34) MSMW were HIV positive. Among MSM and MSMW, 7.48%(N=693) and 11.13% (N=108) used illicit drugs at last sex, respectively. The prevalence of illicit drug use at last sex among MSMW was 1.60(95% CI: 1.30, 1.97) times the prevalence among MSM, adjusting for covariates. Overall, 27.25% MSM (N=2524) and 27.40%MSMW (N=268) used illicit drugs in the past 12 months. The prevalence of illicit drug use in the past 12 months among MSMW was 1.55(95% CI: 1.16, 2.08) times the prevalence among MSM, adjusting for covariates and interactions. Multivariable models suggested interactions between MSM/MSMW and age, and MSM/MSMW and HIV status.

Conclusions: The association was found between MSM/MSMW and illicit drug use in this study, among which the effect of being MSMW and having an HIV-positive status impacted illicit drug use in the past 12 months, and at last sex. The results implicate that more attention should be paid upon MSMW with HIV-positive statues in future prevention programs.

Table of Contents

Content
Introduction……………………………………………………………………………………….…………...….…...…1
Methods………………………………………………………………………………………………...….…….…...……3
Recruitment and Enrollment………………………………………………………………………….…………..…3
Measures………………………………………………………………………………………......………..…….……..3
Analysis……………………………………………………………………………......……………...….…….….…….5
Results……………….………………………………………………………………....………………………….…..……6
Illicit drug use in the past 12 months………………………...……………………………………..……...7
Illicit drug use at last sex…………………………………………..………………………………………...…….9
Discussion……………………………………………………………………...……………………………...…….……10
Limitations………………………………………………………………………....………………………………….…..13
Future direction……………………………………………………………………...………………………………….14
References………………………………………………………………………………....………………………………15
Appendices
Appendix X1: AMIS-2013 Survey - Illicit Drug Use Questions………………...............….18
Appendix 2: SAS code………………………………………………………….………………..…………….…… 20

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