评估最低单位酒精定价对威尔士不同社会阶级和年龄组购买行为的影响:一项受控的中断时间序列研究
Sonam Billan1, Colin Angus2, Brendan Collins3
1University of Liverpool Management School, UK.
Public health
|January 28, 2025
概括
威尔士的最低单位价格 (MUP) 政策减少了酒精购买,特别是在年轻人中以及那些喜欢廉价,高强度饮料的人中. 这种公共卫生干预表明,购买行为的转变是有希望的.
科学领域:
- 公共卫生 公共卫生
- 卫生经济学 卫生经济学
- 酒精政策研究 酒精政策研究
背景情况:
- 酒精消费在英国带来了重大的公共卫生挑战.
- 威尔士在2020年2月推出了最低单位价格 (MUP) 政策,设定了每英酒精单位的最低价格为50美分.
- 该政策旨在减轻与酒精有关的危害,并改善公共卫生结果.
研究的目的:
- 评估威尔士的MUP政策对酒精销售指标的影响.
- 评估MUP在影响消费者购买行为的有效性.
- 测量潜在的长期公共卫生效益.
主要方法:
- 控制中断时间序列研究设计.
- 来自Kantar WorldPanel的家庭酒精购买数据 (2016年2月至2022年2月) 的分析.
- 差异差异和动态差异方法比较威尔士和英格兰,控制年固定效应和COVID-19.
主要成果:
- MUP与整体酒精购买量减少有关,特别是在年轻人 (28岁以下) 和那些喜欢像酒这样的廉价高强度酒精的人群中.
- 与英格兰相比,威尔士28岁以下人群的酒消费大幅下降 (-50%);随着支出增加,潜在的酒消费可能会转向酒 (+33%).
- 在老年消费者中观察到短期价格不敏感性和较低社会经济群体中葡萄酒消费的增加 (+1.33个百分点).
结论:
- 威尔士的MUP政策已经明显改变了酒精购买行为.
- 这些购买模式的变化预计会随着时间的推移带来积极的公共卫生效益.
- 该研究强调了不同年龄组和不同酒精类型的不同影响,表明了细微的政策影响.
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