Psychosocial Influences on Fruit and Vegetable Intake Following a NYC Supermarket Discount.

ABSTRACT:

Objective

To assess the effect of a 50% discount on fruits and vegetables (F&V) on the purchase and intake of F&V and on psychosocial determinants of F&V intake: self-efficacy (SE), stages of change (SOC), and perceived barriers (PB).

Methods

This randomized controlled trial was conducted in local supermarkets over 16 weeks, including a 4-week baseline, 8-week discount intervention, and 4-week follow-up. Shoppers with overweight or obesity (BMI > 25) were randomized to receive a discount or no discount via their reward scan card after the baseline. Twenty-four-hour recalls and psychosocial measures were obtained for each study period.

Results

Purchases (P < 0.0005) and intakes (P = 0.019) of F&V increased significantly during the intervention, while only F&V intake wa

SUBMITTER: Bernales-Korins M 

PROVIDER: S-EPMC5731775 | biostudies-literature | 2017 Aug

REPOSITORIES: biostudies-literature