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Risk of mortality and physiologic injury evident with lower alcohol exposure among HIV infected compared with uninfected men.


ABSTRACT: BACKGROUND:HIV infected (HIV+) individuals may be more susceptible to alcohol-related harm than uninfected individuals. METHODS:We analyzed data on HIV+ and uninfected individuals in the Veterans Aging Cohort Study (VACS) with an Alcohol Use Disorders Identification Test-Consumption AUDIT-C score from 2008 to 2012. We used Cox proportional hazards models to examine the association between alcohol exposure and mortality through July, 2014; and linear regression models to assess the association between alcohol exposure and physiologic injury based on VACS Index Scores. Models were adjusted for age, race/ethnicity, smoking, and hepatitis C infection. RESULTS:The sample included 18,145 HIV+ and 42,228 uninfected individuals. Among HIV+ individuals, 76% had undetectable HIV-1 RNA (<500 copies/ml). The threshold for an association of alcohol use with mortality and physiologic injury differed by HIV status. Among HIV+ individuals, AUDIT-C score ?4 (hazard ratio [HR] 1.25, 95% CI 1.09-1.44) and ?30 drinks per month (HR, 1.30, 95% CI 1.14-1.50) were associated with increased risk of mortality. Among uninfected individuals, AUDIT-C score ?5 (HR, 1.19, 95% CI 1.07-1.32) and ?70 drinks per month (HR 1.13, 95% CI 1.00-1.28) were associated with increased risk. Similarly, AUDIT-C threshold scores of 5-7 were associated with physiologic injury among HIV+ individuals (beta 0.47, 95% CI 0.22, 0.73) and a score of 8 or more was associated with injury in uninfected (beta 0.29, 95% CI 0.16, 0.42) individuals. CONCLUSIONS:Despite antiretroviral therapy, HIV+ individuals experienced increased mortality and physiologic injury at lower levels of alcohol use compared with uninfected individuals. Alcohol consumption limits should be lower among HIV+ individuals.

SUBMITTER: Justice AC 

PROVIDER: S-EPMC4792710 | biostudies-literature | 2016 Apr

REPOSITORIES: biostudies-literature

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<h4>Background</h4>HIV infected (HIV+) individuals may be more susceptible to alcohol-related harm than uninfected individuals.<h4>Methods</h4>We analyzed data on HIV+ and uninfected individuals in the Veterans Aging Cohort Study (VACS) with an Alcohol Use Disorders Identification Test-Consumption AUDIT-C score from 2008 to 2012. We used Cox proportional hazards models to examine the association between alcohol exposure and mortality through July, 2014; and linear regression models to assess the  ...[more]

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