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Socio-contextual factors are linked to differences in the course of problem drinking in midlife: A discordant-twin study.

M Blonigen D, Burroughs T, Randolph Haber J, Jacob T. Socio-contextual factors are linked to differences in the course of problem drinking in midlife: A discordant-twin study. The American journal on addictions. 2015 Apr 1; 24(3):193-6.

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Abstract:

BACKGROUND: Course of alcohol use disorders (AUD) during midlife is understudied, and most research designs are unable to attribute an unambiguous environmental explanation to observed findings. OBJECTIVES and METHODS: Test whether socio-contextual factors are linked to differences in the course of problem drinking during midlife. Participants were 163 monozygotic and dizygotic twin pairs concordant for a history of AUD but discordant on problem drinking in the past 10 years. RESULTS: Frequency of drinking with spouse, and peer and emotional problems were associated with discordance. CONCLUSIONS AND SCIENTIFIC SIGNIFICANCE: Socio-contextual factors are linked to differences in course of problem drinking in midlife and are not confounded by genetic effects. (Am J Addict 2015;24:193-196).




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