Effects of discounting fruits, vegetables, and noncaloric beverages in New York City supermarkets on purchasing, intake, and weight
Primary result · Weekly F&V purchasingResult — go to the resultMean difference 4.64 $Authors' conclusion
A 50% discount on F&V and noncaloric beverages promoted increased purchasing and intake of F&V and induced weight loss.
Study context
- Population
- Supermarket shoppers in New York City67 analysed
- Participants
- 38 vs 29
- Comparison
- 50% discounts on F&V and noncaloric beverages vs control
- Experimentaln = 38
- Controln = 29reference
Methodological details16-week, 4-week baseline, 8-week intervention, 4-week follow-up, Purchasing tracked via loyalty cards; intake via 24-h dietary recalls; weight measured at five in-person visits
- 16-week
- 4-week baseline, 8-week intervention, 4-week follow-up
- Purchasing tracked via loyalty cards; intake via 24-h dietary recalls; weight measured at five in-person visits
Primary result
Weekly F&V purchasing · intervention
Mean difference
4.64 $
P < 0.0001
As reported in the abstract
Further findings
| Outcome | Estimate | P value |
|---|---|---|
| Weekly noncaloric beverage purchasing · interventionSD $0.39; greater with experimental | mean difference 0.53 $ | P = 0.008 |
| Weekly F&V purchasing · follow-upGreater with experimental | P = 0.005 | |
| F&V intake · interventionSD 105; greater with experimental | mean difference 142 g/day | P = 0.009 |
| F&V intake · follow-upGreater with experimental | P = 0.001 | |
| Alcohol intake · follow-upSD 60.2; lower with experimental | mean difference −85.8 g/day | P = 0.004 |
| Weight · intervention | mean difference −1.33 kg | P = 0.006 intervention |
- Weight: SD 0.92; experimental lost weight vs control; p = 0.106 follow-up
Noncaloric beverage consumption
- No difference between groups
Nutrient composition and high energy-dense product consumption
- No differences found
Original publication
Effects of discounting fruits, vegetables, and noncaloric beverages in New York City supermarkets on purchasing, intake, and weight. Obesity (Silver Spring). Published 27 June 2024. doi:10.
Composed by AI from the published abstract and checked against it. How Briefs are made →