Effectiveness of subsidies in promoting healthy food purchases and consumption: a review of field experiments.
Effectiveness of subsidies in promoting healthy food purchases and consumption: a review of field experiments.
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DOI：
10.1017/s1368980012004715
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发表时间：
2013-07
影响因子：
3.2
通讯作者：
An, Ruopeng
中科院分区：
文献类型：
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作者：
An, Ruopeng
系统地审查来自实地干预措施的证据，证明货币补贴在促进更健康的食品购买和消费方面的有效性。在 5 个电子数据库中进行关键词和参考文献检索：Cochrane Library、EconLit、MEDLINE、PsycINFO 和 Web of Science。根据以下标准纳入研究：干预：现场实验；人群：12-17岁的青少年或18岁及以上的成年人；设计：随机对照试验、队列研究或前后研究；补贴：健康食品的价格折扣或代金券；结果：购买或消费食物；时期：1990年-2012年；和语言：英语。涉及 20 个不同实验的 24 篇文章包含在使用预定义方法标准评估的研究质量中。在 7 个国家进行了干预：美国 (n 14)、新西兰 (n 1)、法国 (n 1)、德国 (n 1)、荷兰 (n 1)、南非 (n 1) 和英国 (n 1)。补贴适用于超市、食堂、自动售货机、农贸市场或餐馆出售的水果、蔬菜和低脂零食等不同类型的食品。干预措施涵盖了各种人群，例如中学生、大都市交通工人和低收入妇女。除一项研究外，所有研究都发现对健康食品的补贴可以显着增加促销产品的购买和消费。研究的局限性包括样本量小且方便、干预和随访时间短、缺乏成本效益和整体饮食评估。补贴更健康的食品往往能有效改变饮食行为。未来的研究应该考察其在人群水平上的长期有效性和成本效益及其对总体饮食摄入量的影响。
To systematically review evidence from field interventions on the effectiveness of monetary subsidies in promoting healthier food purchases and consumption. Keyword and reference search were conducted in 5 electronic databases: Cochrane Library, EconLit, MEDLINE, PsycINFO, and Web of Science. Studies were included based on the following criteria – intervention: field experiments; population: adolescents 12-17 years old or adults 18 years and older; design: randomized controlled trials, cohort studies, or pre-post studies; subsidy: price discounts or vouchers for healthier foods; outcome: food purchases or consumption; period: 1990-2012; and language: English. Twenty-four articles on 20 distinct experiments were included with study quality assessed using predefined methodological criteria. Interventions were conducted in 7 countries: USA (n 14), New Zealand (n 1), France (n 1), Germany (n 1), Netherlands (n 1), South Africa (n 1), and United Kingdom (n 1). Subsidies applied to different types of foods such as fruits, vegetables, and low-fat snacks sold in supermarket, cafeteria, vending machine, farmers' market, or restaurant. Interventions enrolled various population subgroups such as school/university students, metropolitan transit workers, and low-income women. All but one study found subsidies on healthier foods to significantly increase the purchase and consumption of promoted products. Study limitations include small and convenience samples, short intervention and follow-up duration, and lack of cost-effectiveness and overall diet assessment. Subsidizing healthier foods tends to be effective in modifying dietary behavior. Future studies should examine its long-term effectiveness and cost-effectiveness at the population level and its impact on overall diet intake.