Exploring the Receptivity and Feasibility of Just-In-Time Support for Healthy Food Choices: Mixed-Method Insights for Adaptive Intervention Development☆
Laura HH Winkens, Nieke A Sonneveld, Arend Ligtenberg, Ayla Schwarz, Monique Simons · 2026
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Description
Laura H. H. Winkens and colleagues tested whether people welcome just-in-time digital prompts for healthier food choices, and when. Their 2026 mixed-methods study gave 14 adults, averaging 27 years old, a researcher-built app for one week after each chose a nutrition goal. The app prompted healthy choices near food outlets and at preset times, and the team measured receptivity, usability, privacy views, and perceived effectiveness.
Usability suffered from technical issues and battery drain, and participants with less schooling reported more installation trouble, less favorable views of prompt tone, and smaller gains in food choices. Even so, users generally accepted sharing personal data when its use for personalization was transparent, and they reported better self-rated diet quality and goal-related eating. Emotional states tracked with how effective prompts felt in the moment. The findings aim to inform adaptive interventions tuned to context and momentary state.
Catalog record
| CREATOR | Laura HH Winkens, Nieke A Sonneveld, Arend Ligtenberg, Ayla Schwarz, Monique Simons |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 53 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |