Impact of price reductions, subsidies, or financial incentives on healthy food purchases and consumption: a systematic review and meta-analysis
Poor 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 p...
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| المؤلف الرئيسي: | |
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| مؤلفون آخرون: | , , , , , , |
| التنسيق: | article |
| منشور في: |
2024
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| الموضوعات: | |
| الوصول للمادة أونلاين: | http://dx.doi.org/10.1016/S2542-5196(24)00004-4 https://www.sciencedirect.com/science/article/pii/S2542519624000044 http://hdl.handle.net/10576/54455 |
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| _version_ | 1857415085090144256 |
|---|---|
| author | Peijue, Huangfu |
| author2 | Pearson, Fiona Abu-Hijleh, Farah Marwan Wahlich, Charlotte Willis, Kathryn Awad, Susanne F Abu-Raddad, Laith J Critchley, Julia A |
| author2_role | author author author author author author author |
| author_facet | Peijue, Huangfu Pearson, Fiona Abu-Hijleh, Farah Marwan Wahlich, Charlotte Willis, Kathryn Awad, Susanne F Abu-Raddad, Laith J Critchley, Julia A |
| author_role | author |
| dc.creator.none.fl_str_mv | Peijue, Huangfu Pearson, Fiona Abu-Hijleh, Farah Marwan Wahlich, Charlotte Willis, Kathryn Awad, Susanne F Abu-Raddad, Laith J Critchley, Julia A |
| dc.date.none.fl_str_mv | 2024-04-29T11:43:33Z 2024-03 |
| dc.format.none.fl_str_mv | application/pdf |
| dc.identifier.none.fl_str_mv | http://dx.doi.org/10.1016/S2542-5196(24)00004-4 Huangfu, 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. https://www.sciencedirect.com/science/article/pii/S2542519624000044 http://hdl.handle.net/10576/54455 e197-e212 3 8 2542-5196 |
| dc.language.none.fl_str_mv | en |
| dc.publisher.none.fl_str_mv | Elsevier |
| dc.rights.none.fl_str_mv | http://creativecommons.org/licenses/by/4.0/ info:eu-repo/semantics/openAccess |
| dc.subject.none.fl_str_mv | Diet price reduction |
| dc.title.none.fl_str_mv | Impact of price reductions, subsidies, or financial incentives on healthy food purchases and consumption: a systematic review and meta-analysis |
| dc.type.none.fl_str_mv | Article info:eu-repo/semantics/publishedVersion info:eu-repo/semantics/article |
| description | Poor 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. |
| eu_rights_str_mv | openAccess |
| format | article |
| id | qu_7f3b7ae8a0d9142fd2c2af9d534c53f1 |
| identifier_str_mv | Huangfu, 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. e197-e212 3 8 2542-5196 |
| language_invalid_str_mv | en |
| network_acronym_str | qu |
| network_name_str | Qatar University repository |
| oai_identifier_str | oai:qspace.qu.edu.qa:10576/54455 |
| publishDate | 2024 |
| publisher.none.fl_str_mv | Elsevier |
| repository.mail.fl_str_mv | |
| repository.name.fl_str_mv | |
| repository_id_str | |
| rights_invalid_str_mv | http://creativecommons.org/licenses/by/4.0/ |
| spelling | Impact of price reductions, subsidies, or financial incentives on healthy food purchases and consumption: a systematic review and meta-analysisPeijue, HuangfuPearson, FionaAbu-Hijleh, Farah MarwanWahlich, CharlotteWillis, KathrynAwad, Susanne FAbu-Raddad, Laith JCritchley, Julia ADietprice reductionPoor 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.This 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).Elsevier2024-04-29T11:43:33Z2024-03Articleinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://dx.doi.org/10.1016/S2542-5196(24)00004-4Huangfu, 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.https://www.sciencedirect.com/science/article/pii/S2542519624000044http://hdl.handle.net/10576/54455e197-e212382542-5196enhttp://creativecommons.org/licenses/by/4.0/info:eu-repo/semantics/openAccessoai:qspace.qu.edu.qa:10576/544552024-07-23T15:53:33Z |
| spellingShingle | Impact of price reductions, subsidies, or financial incentives on healthy food purchases and consumption: a systematic review and meta-analysis Peijue, Huangfu Diet price reduction |
| status_str | publishedVersion |
| title | Impact of price reductions, subsidies, or financial incentives on healthy food purchases and consumption: a systematic review and meta-analysis |
| title_full | Impact of price reductions, subsidies, or financial incentives on healthy food purchases and consumption: a systematic review and meta-analysis |
| title_fullStr | Impact of price reductions, subsidies, or financial incentives on healthy food purchases and consumption: a systematic review and meta-analysis |
| title_full_unstemmed | Impact of price reductions, subsidies, or financial incentives on healthy food purchases and consumption: a systematic review and meta-analysis |
| title_short | Impact of price reductions, subsidies, or financial incentives on healthy food purchases and consumption: a systematic review and meta-analysis |
| title_sort | Impact of price reductions, subsidies, or financial incentives on healthy food purchases and consumption: a systematic review and meta-analysis |
| topic | Diet price reduction |
| url | http://dx.doi.org/10.1016/S2542-5196(24)00004-4 https://www.sciencedirect.com/science/article/pii/S2542519624000044 http://hdl.handle.net/10576/54455 |