Journal
JOURNAL OF NUTRITION EDUCATION AND BEHAVIOR
Volume 50, Issue 3, Pages 217-+Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jneb.2017.09.013
Keywords
behavioral economics; financial incentives for fruit and vegetable purchase promotion; randomized controlled trial; SNAP; SNAP policy
Funding
- Healthy Eating Research, a national program of the Robert Wood Johnson Foundation [72062]
- national program of the Robert Wood Johnson Foundation
- Coverys Foundation
- John T. Gorman Foundation [2015-034]
- Hannaford Brothers
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Objective: To carry out a pilot study to determine whether a supermarket double-dollar fruit and vegetable (F&V) incentive increases F&V purchases among low-income families. Design: Randomized controlled design. Purchases were tracked using a loyalty card that provided participants with a 5% discount on all purchases during a 3-month baseline period followed by the 4-month intervention. Setting: A supermarket in a low-income rural Maine community. Participants: A total of 401 low-income and Supplemental Nutrition Assistance Program (SNAP) supermarket customers. Intervention: Same-day coupon at checkout for half-off eligible fresh, frozen, or canned F&V over 4 months. Main Outcome Measure: Weekly spending in dollars on eligible F&V. Analysis: A linear model with random intercepts accounted for repeated transactions by individuals to estimate change in F&V spending per week from baseline to intervention. Secondary analyses examined changes among SNAP-eligible participants. Results: Coupons were redeemed among 53% of eligible baskets. Total weekly F& V spending increased in the intervention arm compared with control ($1.83; 95% confidence interval [CI], $0.29 to $3.88). The largest increase was for fresh F&V ($1.97; 95% CI, $0.49 to $3.44). Secondary analyses revealed greater increases in F& V spending among SNAP-eligible participants who redeemed coupons ($5.14; 95% CI, $1.93 to $8.34) than among non-SNAP eligible participants who redeemed coupons ($3.88; 95% CI, $1.67 to $6.08). Conclusions and Implications: A double-dollar pricing incentive increased F& V spending in a low-income community despite the moderate uptake of the coupon redemption. Customers who were eligible for SNAP saw the greatest F&V spending increases. Financial incentives for F&V are an effective strategy for food assistance programs to increase healthy purchases and improve dietary intake in low-income families.
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