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AuthorPeijue, Huangfu
AuthorPearson, Fiona
AuthorAbu-Hijleh, Farah Marwan
AuthorWahlich, Charlotte
AuthorWillis, Kathryn
AuthorAwad, Susanne F
AuthorAbu-Raddad, Laith J
AuthorCritchley, Julia A
Available date2024-04-29T11:43:33Z
Publication Date2024-03
Publication NameThe Lancet Planetary Health
Identifierhttp://dx.doi.org/10.1016/S2542-5196(24)00004-4
CitationHuangfu, P., Pearson, F., Abu-Hijleh, F. M., Wahlich, C., Willis, K., Awad, S. F., ... & Critchley, J. A. (2024). Impact of price reductions, subsidies, or financial incentives on healthy food purchases and consumption: a systematic review and meta-analysis. The Lancet Planetary Health, 8(3), e197-e212.
URIhttps://www.sciencedirect.com/science/article/pii/S2542519624000044
URIhttp://hdl.handle.net/10576/54455
AbstractPoor diets are a global concern and are linked with various adverse health outcomes. Healthier foods such as fruit and vegetables are often more expensive than unhealthy options. This study aimed to assess the effect of price reductions for healthy food (including fruit and vegetables) on diet. We performed a systematic review and meta-analysis on studies that looked at the effects of financial incentives on healthy food. Main outcomes were change in purchase and consumption of foods following a targeted price reduction. We searched electronic databases (MEDLINE, EconLit, Embase, Cinahl, Cochrane Library, and Web of Science), citations, and used reference screening to identify relevant studies from Jan 1, 2013, to Dec 20, 2021, without language restrictions. We stratified results by population targeted (low-income populations vs general population), the food group that the reduction was applied to (fruit and vegetables, or other healthier foods), and study design. Percentage price reduction was standardised to assess the effect in meta-analyses. Study quality was assessed using the Cochrane Risk of Bias tool and Newcastle-Ottawa Scale. 34 studies were eligible; 15 took place in supermarkets and eight took place in workplace canteens in high-income countries, and 21 were targeted at socioeconomically disadvantaged communities. Pooled analyses of 14 studies showed a price reduction of 20% resulted in increases in fruit and vegetable purchases by 16·62% (95% CI 12·32 to 20·91). Few studies had maintained the price reduction for over 6 months. In conclusion, price reductions can lead to increases in purchases of fruit and vegetables, potentially sufficient to generate health benefits, if sustained.
SponsorThis publication was made possible by National Priorities Research Program grant number 10-1208-160017 from the Qatar National Research Fund (a member of Qatar Foundation).
Languageen
PublisherElsevier
SubjectDiet
price reduction
TitleImpact of price reductions, subsidies, or financial incentives on healthy food purchases and consumption: a systematic review and meta-analysis
TypeArticle
Paginatione197-e212
Issue Number3
Volume Number8
Open Access user License http://creativecommons.org/licenses/by/4.0/
ESSN2542-5196


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