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Financial incentives and purchase restrictions in a food benefit program affect the types of foods and beverages purchased: results from a randomized trial.
Int J Behav Nutr Phys Act. 2017 09 16; 14(1):127.IJ

Abstract

BACKGROUND

This research evaluated the effects of financial incentives and purchase restrictions on food purchasing in a food benefit program for low income people.

METHODS

Participants (n=279) were randomized to groups: 1) Incentive- 30% financial incentive for fruits and vegetables purchased with food benefits; 2) Restriction- no purchase of sugar-sweetened beverages, sweet baked goods, or candies with food benefits; 3) Incentive plus Restriction; or 4) Control- no incentive or restrictions. Participants received a study-specific debit card where funds were added monthly for 12-weeks. Food purchase receipts were collected over 16 weeks. Total dollars spent on grocery purchases and by targeted food categories were computed from receipts. Group differences were examined using general linear models.

RESULTS

Weekly purchases of fruit significantly increased in the Incentive plus Restriction ($4.8) compared to the Restriction ($1.7) and Control ($2.1) groups (p <.01). Sugar-sweetened beverage purchases significantly decreased in the Incentive plus Restriction (-$0.8 per week) and Restriction ($-1.4 per week) groups compared to the Control group (+$1.5; p< .0001). Sweet baked goods purchases significantly decreased in the Restriction (-$0.70 per week) compared to the Control group (+$0.82 per week; p < .01).

CONCLUSIONS

Paired financial incentives and restrictions on foods and beverages purchased with food program funds may support more healthful food purchases compared to no incentives or restrictions.

CLINICAL TRIAL REGISTRATION

Clinicaltrials.gov Identifier: NCT02643576 .

Authors+Show Affiliations

Division of Epidemiology and Community Health, University of Minnesota School of Public Health, 1300 S. 2nd Street, Suite 300, 55454, Minneapolis, MN, USA. frenc001@umn.edu.Division of Epidemiology and Community Health, University of Minnesota School of Public Health, 1300 S. 2nd Street, Suite 300, 55454, Minneapolis, MN, USA.Division of Epidemiology and Community Health, University of Minnesota School of Public Health, 1300 S. 2nd Street, Suite 300, 55454, Minneapolis, MN, USA.Division of Epidemiology and Community Health, University of Minnesota School of Public Health, 1300 S. 2nd Street, Suite 300, 55454, Minneapolis, MN, USA.Department of Population Health, School of Medicine, New York University, New York, NY, 10016, USA.Division of Epidemiology and Community Health, University of Minnesota School of Public Health, 1300 S. 2nd Street, Suite 300, 55454, Minneapolis, MN, USA.

Pub Type(s)

Journal Article
Randomized Controlled Trial

Language

eng

PubMed ID

28915844

Citation

French, Simone A., et al. "Financial Incentives and Purchase Restrictions in a Food Benefit Program Affect the Types of Foods and Beverages Purchased: Results From a Randomized Trial." The International Journal of Behavioral Nutrition and Physical Activity, vol. 14, no. 1, 2017, p. 127.
French SA, Rydell SA, Mitchell NR, et al. Financial incentives and purchase restrictions in a food benefit program affect the types of foods and beverages purchased: results from a randomized trial. Int J Behav Nutr Phys Act. 2017;14(1):127.
French, S. A., Rydell, S. A., Mitchell, N. R., Michael Oakes, J., Elbel, B., & Harnack, L. (2017). Financial incentives and purchase restrictions in a food benefit program affect the types of foods and beverages purchased: results from a randomized trial. The International Journal of Behavioral Nutrition and Physical Activity, 14(1), 127. https://doi.org/10.1186/s12966-017-0585-9
French SA, et al. Financial Incentives and Purchase Restrictions in a Food Benefit Program Affect the Types of Foods and Beverages Purchased: Results From a Randomized Trial. Int J Behav Nutr Phys Act. 2017 09 16;14(1):127. PubMed PMID: 28915844.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Financial incentives and purchase restrictions in a food benefit program affect the types of foods and beverages purchased: results from a randomized trial. AU - French,Simone A, AU - Rydell,Sarah A, AU - Mitchell,Nathan R, AU - Michael Oakes,J, AU - Elbel,Brian, AU - Harnack,Lisa, Y1 - 2017/09/16/ PY - 2017/04/03/received PY - 2017/09/10/accepted PY - 2017/9/17/entrez PY - 2017/9/17/pubmed PY - 2018/2/23/medline KW - Financial incentives KW - Food purchases KW - Low income KW - Restrictions KW - SNAP (supplemental nutrition assistance program) SP - 127 EP - 127 JF - The international journal of behavioral nutrition and physical activity JO - Int J Behav Nutr Phys Act VL - 14 IS - 1 N2 - BACKGROUND: This research evaluated the effects of financial incentives and purchase restrictions on food purchasing in a food benefit program for low income people. METHODS: Participants (n=279) were randomized to groups: 1) Incentive- 30% financial incentive for fruits and vegetables purchased with food benefits; 2) Restriction- no purchase of sugar-sweetened beverages, sweet baked goods, or candies with food benefits; 3) Incentive plus Restriction; or 4) Control- no incentive or restrictions. Participants received a study-specific debit card where funds were added monthly for 12-weeks. Food purchase receipts were collected over 16 weeks. Total dollars spent on grocery purchases and by targeted food categories were computed from receipts. Group differences were examined using general linear models. RESULTS: Weekly purchases of fruit significantly increased in the Incentive plus Restriction ($4.8) compared to the Restriction ($1.7) and Control ($2.1) groups (p <.01). Sugar-sweetened beverage purchases significantly decreased in the Incentive plus Restriction (-$0.8 per week) and Restriction ($-1.4 per week) groups compared to the Control group (+$1.5; p< .0001). Sweet baked goods purchases significantly decreased in the Restriction (-$0.70 per week) compared to the Control group (+$0.82 per week; p < .01). CONCLUSIONS: Paired financial incentives and restrictions on foods and beverages purchased with food program funds may support more healthful food purchases compared to no incentives or restrictions. CLINICAL TRIAL REGISTRATION: Clinicaltrials.gov Identifier: NCT02643576 . SN - 1479-5868 UR - https://www.unboundmedicine.com/medline/citation/28915844/Financial_incentives_and_purchase_restrictions_in_a_food_benefit_program_affect_the_types_of_foods_and_beverages_purchased:_results_from_a_randomized_trial_ L2 - https://ijbnpa.biomedcentral.com/articles/10.1186/s12966-017-0585-9 DB - PRIME DP - Unbound Medicine ER -