• Yang Meng, John Holmes, Daniel Hill-McManus, Alan Brennan, and Petra Sylvia Meier.
• School of Health and Related Research, University of Sheffield, Sheffield, UK.
• Addiction. 2014 Feb 1; 109 (2): 206-15.

Background And AimsBritish alcohol consumption and abstinence rates have increased substantially in the last 3 decades. This study aims to disentangle age, period and birth cohort effects to improve our understanding of these trends and suggest groups for targeted interventions to reduce resultant harms.DesignAge, period, cohort analysis of repeated cross-sectional surveys using separate logistic and negative binomial models for each gender.SettingGreat Britain 1984-2009.ParticipantsAnnual nationally representative samples of approximately 20 000 adults (16+) within 13 000 households.MeasurementsAge (eight groups: 16-17 to 75+ years), period (six groups: 1980-84 to 2005-09) and birth cohorts (19 groups: 1900-04 to 1990-94). Outcome measures were abstinence and average weekly alcohol consumption. Controls were income, education, ethnicity and country.FindingsAfter accounting for period and cohort trends, 18-24-year-olds have the highest consumption levels (incident rate ratio = 1.18-1.15) and lower abstention rates (odds ratio = 0.67-0.87). Consumption generally decreases and abstention rates increase in later life. Until recently, successive birth cohorts' consumption levels were also increasing. However, for those born post-1985, abstention rates are increasing and male consumption is falling relative to preceding cohorts. In contrast, female drinking behaviours have polarized over the study period, with increasing abstention rates accompanying increases in drinkers' consumption levels.ConclusionsRising female consumption of alcohol and progression of higher-consuming birth cohorts through the life course are key drivers of increased per capita alcohol consumption in the United Kingdom. Recent declines in alcohol consumption appear to be attributable to reduced consumption and increased abstinence rates among the most recent birth cohorts, especially males, and general increased rates of abstention across the study period.© 2013 Society for the Study of Addiction.

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