Alcohol consumption and the intention to engage in unprotected sex

Systematic review and meta‐analysis of experimental studies

Bibliographic Data

ID23328989
AuthorsJurgen Rehm (0000-0001-5665-0385), Kevin D Shield (0000-0003-1871-8849), Narges Joharchi, Paul A Shuper (0000-0001-9033-8598)
Year2012
Volume107
Issue1
Pages51-59
Publication date2012-01-01
Peer ReviewedYes
Open AccessYes
TypeARTICLE
VenueAddiction (JOURNAL)
Journal identifiersISSN: 0965-2140 • E-ISSN: 1360-0443
PublisherWiley (PUBLISHER • GB)
DOI10.1111/j.1360-0443.2011.03621.x
PMID22151318
LanguageEN
Citations received92
References cited43

Aims To review and analyse in experimentally controlled studies the impact of alcohol consumption on intentions to engage in unprotected sex. To draw conclusions with respect to the question of whether alcohol has an independent effect on the incidence of human immunodeficiency virus (HIV) and other sexually transmitted infections (STIs). Methods A systematic review and meta‐analysis of randomized controlled studies examined the association between blood alcohol content (BAC) and self‐perceived likelihood of using a condom during intercourse. The systematic review and meta‐analysis were conducted according to internationally standardized protocols (Preferred Reporting Items for Systematic Reviews and Meta‐Analyses: PRISMA). The meta‐analysis included an estimate of the dose–response effect, tests for publication bias and sensitivity analyses. Results Of the 12 studies included in the quantitative synthesis, our pooled analysis indicated that an increase in BAC of 0.1 mg/ml resulted in an increase of 5.0% (95% CI: 2.8–7.1%) in the indicated likelihood (indicated by a Likert scale) of engaging in unprotected sex. After adjusting for potential publication bias, this estimate dropped to 2.9% (95% CI: 2.0–3.9%). Thus, the larger the alcohol intake and the subsequent level of BAC, the higher the intentions to engage in unsafe sex. The main results were homogeneous, persisted in sensitivity analyses and after correction for publication bias. Conclusions Alcohol use is an independent risk factor for intentions to engage in unprotected sex, and as risky sex intentions have been shown to be linked to actual risk behavior, the role of alcohol consumption in the transmission of HIV and other STIs may be of public health importance.

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