Understanding changes in the locations of drinking occasions in Great Britain: an age-period-cohort analysis of repeat cross-sectional market research data, 2001-2019

Introduction: The 21st century has seen wide-ranging changes in drinking locations in Great Britain, with on-trade alcohol sales decreasing and off-trade sales increasing. To better understand the underlying time-trends in consumer behaviour, we examine age-period-cohort (APC) effects related to changes in the share of individuals' drinking occasions taking place in: (i) on-trade versus off-trade locations; and (ii) specific on-trade or off-trade locations, that is traditional/community pubs, modern pubs/bars/café bars, nightclubs/late-night venues, restaurants/pub restaurants, social/working men's clubs, golf/other sports clubs/venues, at home (social setting) and at home (non-social setting). Methods: Repeat cross-sectional 1-week drinking diary data, collected 2001–2019. APC analysis via negative binomial regression models for each gender (N = 162,296 men, 138,452 women). Results: A smaller/declining proportion of occasions took place in on-trade compared to off-trade locations. Recent cohorts tended to have a larger share of on-trade occasions than previous cohorts, driven by their larger share of occasions in modern pubs/bars/café bars and nightclubs/late-night venues. Meanwhile, occasions in social/working men's clubs, golf/other sports clubs/venues and traditional/community pubs tended to be popular among older men, but have declined. Finally, the growth of off-trade drinking appears to be driven by a growth of off-trade drinking in non-social settings, in particular by older people/cohorts. Discussion and Conclusion: Our findings highlight the declining prominence of certain on-trade locations, and increasing prominence of home drinking in non-social settings, within British drinking practices. While rising non-social home drinking is concerning, it is positive from a public health perspective that it does not appear to be shared by recent cohorts