Home > Tracking the decline in Australian adolescent drinking into adulthood.

Livingston, Michael and Callinan, Sarah and Vashishtha, Rakhi and Yuen, Wing See and Dietze, Paul (2022) Tracking the decline in Australian adolescent drinking into adulthood. Addiction, 117, (5), pp. 1273-1281. doi: 10.1111/add.15720.

External website: https://onlinelibrary.wiley.com/doi/10.1111/add.15...

BACKGROUND AND AIMS: Adolescent drinking in Australia (and many other countries) has declined substantially since the early 2000s. This study aimed to test whether these declines have been maintained into adulthood and whether they are consistent across sub-groups defined by sex and socio-economic status.

DESIGN: Quasi-cohorts were constructed from seven repeated waves of cross-sectional household survey data (2001-2019). Participants were a total of 20 733 respondents age between 14 and 24 (male: 9492; female: 11 241) in Australia

MEASUREMENTS: Participants were grouped into five cohorts based on their birth year (from 1979-1983 to 1999-2003). Three measures of drinking were assessed: any past-year consumption (yes/no), past-year regular risky drinking (12 or more drinking episodes of >40 g of pure alcohol, yes/no) and total volume of alcohol consumed in the past year (in Australian standard drinks, 10 g of alcohol). Socio-economic status was measured based on neighbourhood of residence.

FINDINGS: Drinking declines were consistent across socio-economic groups on all measures and trends were broadly similar for women and men. More recent birth cohorts had significantly lower levels of drinking across all three measures (odds ratios between 0.31 and 0.70 for drinking and risky drinking, coefficients between -0.28 and -0.80 for drinking volume). There were significant interactions between birth cohort and age for past-year drinking and past-year regular risky drinking, with cohort differences diminishing as age increased.

CONCLUSIONS: Lighter drinking adolescent cohorts appear to partly 'catch up' to previous cohorts by early adulthood, but maintain lower levels of drinking and risky drinking up to the age of 24. These ongoing reductions in drinking are spread evenly across socio-economic groups.

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