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. 2023 Apr 22;401(10385):1361-1370.
doi: 10.1016/S0140-6736(23)00497-X. Epub 2023 Mar 20.

Evaluating the impact of alcohol minimum unit pricing on deaths and hospitalisations in Scotland: a controlled interrupted time series study

Grant M A Wyper  1 , Daniel F Mackay  2 , Catriona Fraser  3 , Jim Lewsey  2 , Mark Robinson  4 , Clare Beeston  3 , Lucie Giles  3
Affiliations

Evaluating the impact of alcohol minimum unit pricing on deaths and hospitalisations in Scotland: a controlled interrupted time series study

Grant M A Wyper et al. Lancet. .

Abstract

Background: Since May 1, 2018, every alcoholic drink sold in Scotland has had minimum unit pricing (MUP) of £0·50 per unit. Previous studies have indicated that the introduction of this policy reduced alcohol sales by 3%. We aimed to assess whether this has led to reductions in alcohol-attributable deaths and hospitalisations.

Methods: Study outcomes, wholly attributable to alcohol consumption, were defined using routinely collected data on deaths and hospitalisations. Controlled interrupted time series regression was used to assess the legislation's impact in Scotland, and any effect modification across demographic and socioeconomic deprivation groups. The pre-intervention time series ran from Jan 1, 2012, to April 30, 2018, and for 32 months after the policy was implemented (until Dec 31, 2020). Data from England, a part of the UK where the intervention was not implemented, were used to form a control group.

Findings: MUP in Scotland was associated with a significant 13·4% reduction (95% CI -18·4 to -8·3; p=0·0004) in deaths wholly attributable to alcohol consumption. Hospitalisations wholly attributable to alcohol consumption decreased by 4·1% (-8·3 to 0·3; p=0·064). Effects were driven by significant improvements in chronic outcomes, particularly alcoholic liver disease. Furthermore, MUP legislation was associated with a reduction in deaths and hospitalisations wholly attributable to alcohol consumption in the four most socioeconomically deprived deciles in Scotland.

Interpretation: The implementation of MUP legislation was associated with significant reductions in deaths, and reductions in hospitalisations, wholly attributable to alcohol consumption. The greatest improvements were in the four most socioeconomically deprived deciles, indicating that the policy is positively tackling deprivation-based inequalities in alcohol-attributable health harm.

Funding: Scottish Government.

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Conflict of interest statement

Declaration of interests GMAW, CF, CB, and LG report funding from the Scottish Government. All other authors declare no competing interests.

Figures

Figure 1
Figure 1
Rate of deaths wholly attributable to alcohol consumption per 100 000 population by country Monthly rate (A), and decomposed seasonal (B) and trend (C) components. MUP=minimum unit pricing.
Figure 2
Figure 2
Rate of hospitalisations wholly attributable to alcohol consumption per 100 000 population by country Monthly rate (A), and decomposed seasonal (B) and trend (C) components. MUP=minimum unit pricing.
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