Longitudinal associations between eating and drinking engagement during mealtime and eating in the absence of hunger in low income toddlers.

To develop effective obesity-related interventions during early life, it is important to identify predictors of eating in the absence of hunger during toddlerhood. Hence, this study examined longitudinal associations between child eating and drinking engagement at 27 months of age and child eating in the absence of hunger (EAH) at 33 months of age (N = 91 children; 57.1% boys). At 27 months of age, we coded child eating and drinking engagement during a videotaped naturalistic lunch meal at home. We also obtained mothers' reports of their child's food responsiveness (FR), satiety responsiveness (SR), and desire to drink (DD) using the Child Eating Behavior Questionnaire (CEBQ). Children participated in a standard EAH protocol at 27 and 33 months of age where they were presented with palatable foods and the amount of food eaten was assessed (calculated as total kilocalories consumed). Correlational analyses showed that EAH at 27 months of age was positively related to EAH at 33 months of age and that neither mother-reported child FR or SR were associated with child eating engagement. Mother-reported child DD was associated with child drinking engagement. To predict EAH at 33 months, a regression analysis was conducted in which EAH at 27 months, mother-reported and observed child eating and drinking engagement at 27 months were entered as predictors, controlling for child demographics (i.e., age, sex, race/ethnicity and weight-for-length z-score (WLZ). Findings were that children who were observed to engage in more drinking at 27 months of age consumed more energy (measured as kcal) in the EAH at 33 months of age. Implications for understanding eating, and drinking, behaviors in toddlerhood are discussed.