Links between teenage anxiety and later harmful drinking
Researchers at the University of Bristol have found evidence of an association between generalised anxiety disorder at age 18 and harmful drinking three years later, thanks to the long-term health study, Children of the 90s. The study, published in Drug and Alcohol Dependence, strengthens the evidence for a relationship between anxiety and later alcohol use as the researchers accounted for other factors such as adolescent smoking and cannabis use, and parental anxiety and alcohol use. Researchers used a longitudinal design to help examine the order of associations between generalised anxiety disorder and alcohol use. They also tested whether drinking to cope, a motive for drinking alcohol, influenced these associations. Using questionnaire and clinical interview data from more than 2000 participants, they found generalised anxiety disorder at age 18 was linked to frequent drinking, frequent bingeing, hazardous drinking, and harmful drinking at age 18. Generalised anxiety disorder continued to be associated with harmful drinking at age 21. Drinking to cope was also strongly associated with more harmful drinking, but it did not appear to influence associations between anxiety and alcohol use. On average, adolescents with anxiety drank at more harmful levels regardless of whether they tended to drink alcohol for coping reasons or not. Maddy Dyer, PhD student at the University of Bristol, commented: “Our most important finding was that the relationship between generalised anxiety disorder and harmful drinking at age 18 persists into early adulthood. Helping adolescents to develop positive strategies for coping with anxiety, instead of drinking alcohol, may reduce the risk of future harmful drinking. However, we cannot determine if the relationship is causal, because we used an observational study design.” Source: Alcohol use in late adolescence and early adulthood: The role of generalised anxiety disorder and drinking to cope motives. Maddy Dyer, Jon Heron, Matthew Hickman, and Marcus Munafò,. Drug and Alcohol Dependence, available online 6 November 2019, 107480 open access.
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