A cluster randomized controlled trial for child and parent weight management: children and parents randomized to the intervention group have correlated changes in adiposity

BMC Obesity - 2017
Diane C. Berry1, Robert G. McMurray2, Todd A. Schwartz3, Emily G. Hall1, Madeline N. Neal1, Reuben Adatorwovor3
1School of Nursing, The University of North Carolina at Chapel Hill, Chapel Hill, USA
2Department of Exercise and Sport Science, Department of Nutrition, The University of North Carolina at Chapel Hill, Chapel Hill, USA
3Department of Biostatistics, Gillings School of Global Public Health and School of Nursing, The University of North Carolina at Chapel Hill, Chapel Hill, USA

Tóm tắt

Studies have suggested that obesity is linked within families and that successful interventions involve both the parent and child with obesity. However little information exists regarding similarities in adiposity and weight loss between the parent and child, especially in low socio-economic ethnically diverse households. The purpose of this study was to examine the relationships between the changes from baseline over time in adiposity, weight, health behaviors, and self-efficacy in children (n = 184) and parents (n = 184) participating in an 18-month weight loss program. Within the intervention group only and for each post-baseline time point, Pearson correlation coefficients were computed for children’s changes (from baseline) in adiposity, weight, health behaviors, and self-efficacy, with their parents’ corresponding changes from baseline, to determine how strongly the dyads were correlated. At the completion of 18 months, the intervention group parents demonstrated strong positive correlations between parent and child change in waist circumference (r = 0.409, p < 0.001), triceps (r = 0.332, p < 0.001), and subscapular (r = 0.292, p = 0.002) skinfolds. There were no significant correlations between weight, health behaviors, eating, and exercise self-efficacy. The results suggest that in the Southern United States low-income parents and their children with obesity are strongly correlated. NCT01378806 Retrospectively Registered on June 22, 2011.

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