Relationship between parent perception of child anthropometric phenotype and body mass index change among children with developmental disabilities

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Abstract
Background Preschool-age children with developmental disabilities (DD) have higher prevalence of obesity than children without DD. This study aimed to explore the relationship between parent perception of their children’s anthropometric phenotype and child body mass index (BMI) z score change over one school year among preschoolers with DD. Methods The analysis consisted of a subsample (N  = 64) of children with DD from a larger randomized controlled trial to test an obesity prevention program in the childcare center setting. Parents ranks their child’s anthropometric phenotype on a visual silhouette chart on a scale from 1 (underweight) to 7 (obese) and that rank score is compared to their BMI z score change over one school year. Results The majority (75%) of parents with an obese child underestimated their child’s anthropometric phenotype while 7% parents with a non-obese child overestimated. Parent overestimation of child anthropometric phenotype status is associated with increased BMI z score change over 1 school year among preschool-age children with disabilities. Conclusion Parental overestimation of child anthropometric phenotype status was associated with weight gain in preschool children with DD after one school year.
Funding Information
  • National Center on Minority Health and Health Disparities (NIDDK F31DK116533)
  • U.S. Department of Agriculture (2014-08403)

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