Participant Characteristics Associated With High Responsiveness to Personalized Healthy Food Incentives: a Secondary Analysis of the Randomized Controlled Crossover Smart Cart Study.

Findings demonstrated that BMI ≥25 kg/m2 and having a diet-related medical condition within the household predicted high responsiveness to a personalized grocery purchasing intervention, suggesting that personalized dietary interventions may be particularly effective for households with higher health risk. Clinical Trial Registry: ClinicalTrials.gov (Identifier: NCT03748056).