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OBJECTIVE: This study evaluated the association between children’s daily negative affect (NA) trajectories and unhealthy food consumption during weekends using Ecological Momentary Assessment (EMA). DESIGN: Children answered mobile phone based EMA surveys seven times a day for two weekend days per wave, with each survey assessing current NA and past two-hour consumption of fried foods (chips or fries), sweets (pastries or sweets), and sugary beverages (drank soda or energy drinks). SETTING: Los Angeles, California PARTICIPANTS: The sample consisted of 195 children (51% female; mean age=9.65years, SD=0.93) from the Mothers and Their Children’s Health (MATCH) cohort study. MAIN OUTCOMES MEASURES: NA trajectory (Independent Variable), unhealthy food consumption (Dependent Variable) ANALYSIS: Latent growth mixture modeling (LGMM) classified NA trajectories across days and examined their association with unhealthy food consumption. RESULTS: The LGMM identified three classes of daily NA trajectories: (1) Stable low, (2) Inverse U-shaped, and (3) U-Shaped. Fried food consumption was higher on days with Inverse U-Shaped and U-Shaped NA trajectories compared to days with stable low NA. CONCLUSIONS AND IMPLICATIONS: By better understanding day-to-day variability in children’s affect and eating, we can individually tailor obesity interventions to account for the emotional contexts in which unhealthy eating occurs. |
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