Implementation of minimum unit pricing for alcohol in Scotland and subsequent rates of hospital-admitted self-harm: controlled interrupted time series analysis

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ID: 323253
2026
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Abstract
BACKGROUND: Harmful alcohol use is a major modifiable risk factor for self-harm. We aimed to examine associations between minimum unit pricing for alcohol, introduced in Scotland in 2018, and rates of hospital-admitted self-harm. METHODS: Data were obtained from Public Health Scotland and English Hospital Episode Statistics. Interrupted time series (ITS) analysis compared pre- and post-intervention self-harm admission rates per 100 000 population, including controlled comparisons with England. RESULTS: The before-after slope reduction in Scotland corresponded to -5.6 (95% CI -7.5 to -3.7) admissions per quarter, per 100 000 population, over the intervention period. Using controlled ITS, a greater slope reduction was observed in Scotland relative to England: -3.5, CI -6.4 to -0.6. No differences in slope change were observed when examining only pre-pandemic study quarters. Findings were consistent with a possible postintervention rate reduction in the two most deprived population quintiles, while no between-nation slope difference was observed in the three least deprived quintiles. CONCLUSIONS: Findings were consistent with possible postintervention reductions in hospital-admitted self-harm in Scotland compared to England, with reductions concentrated in more deprived populations. Population-level alcohol pricing policies may contribute to reducing self-harm frequency, although causal interpretation is limited by the observational, quasi-experimental study design and differing between-nation pre-intervention trajectories.
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Authors Sarah Steeg, Roger T. Webb, Jayati Das‐Munshi, Rina Dutta, Nav Kapur, Lisa Marzano, Jean Strelitz, Ann John, J Das-Munshi, D Barrett, M Hotopf
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Journal turkish journal of public health
Year 2026
DOI
10.1093/pubmed/fdag058
URL
https://doi.org/10.1093/pubmed/fdag058
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