Child body mass index, genotype and parenting in the prediction of restrictive feeding

the STRONG Kids Team

Research output: Contribution to journalArticle

Abstract

Background: Restrictive feeding is implicated in pediatric obesity, and caregivers increase controlling feeding practices on the basis of higher child weight status. However, few studies have examined how child genetic and parenting characteristics together impact restrictive feeding. Objectives: We examined whether child body mass index (BMI) status predicts caregiver use of restrictive feeding and if this association is moderated by (i) caregiver strategies to manage their children's distress and (ii) child variations in the catechol-O-methyltransferase (COMT) gene (Val 158 Met, rs4680). Methods: Participants included 126 Caucasian children (50% girls) and their caregivers who were participating in a larger study in the USA. Caregivers reported on their feeding practices and responses to child distress when children were 2.5–3.5 years of age. Child anthropometric measurements were also obtained. Restrictive feeding was assessed again 1–1.5 years later. Genomic DNA was obtained from saliva samples, and COMT-rs4680 was genotyped using TaqMan® methodology. Results: Child BMI percentile predicted subsequent caregiver restrictive feeding for children who were Met/Met and who had caregivers reporting higher use of negative responses to child distress. For Val carriers, BMI percentile predicted restrictive feeding when caregivers were below the mean on these responses. Conclusions: Caregivers are at risk for use of restrictive feeding practices when their children are at higher BMI percentiles, and this association increases when caregivers use more ineffective stress regulation practices and their children are homozygous for the Met allele. Prevention programmes might focus on parenting behaviours that foster emotion regulation and consider variation in child responses to parenting.

Original languageEnglish (US)
Pages (from-to)239-246
Number of pages8
JournalPediatric Obesity
Volume13
Issue number4
DOIs
StatePublished - Apr 1 2018

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Parenting
Body Mass Index
Genotype
Caregivers
Catechol O-Methyltransferase
Pediatric Obesity
Saliva

Keywords

  • BMI
  • genotype
  • parenting
  • restrictive feeding

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Health Policy
  • Nutrition and Dietetics
  • Public Health, Environmental and Occupational Health

Cite this

Child body mass index, genotype and parenting in the prediction of restrictive feeding. / the STRONG Kids Team.

In: Pediatric Obesity, Vol. 13, No. 4, 01.04.2018, p. 239-246.

Research output: Contribution to journalArticle

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abstract = "Background: Restrictive feeding is implicated in pediatric obesity, and caregivers increase controlling feeding practices on the basis of higher child weight status. However, few studies have examined how child genetic and parenting characteristics together impact restrictive feeding. Objectives: We examined whether child body mass index (BMI) status predicts caregiver use of restrictive feeding and if this association is moderated by (i) caregiver strategies to manage their children's distress and (ii) child variations in the catechol-O-methyltransferase (COMT) gene (Val 158 Met, rs4680). Methods: Participants included 126 Caucasian children (50{\%} girls) and their caregivers who were participating in a larger study in the USA. Caregivers reported on their feeding practices and responses to child distress when children were 2.5–3.5 years of age. Child anthropometric measurements were also obtained. Restrictive feeding was assessed again 1–1.5 years later. Genomic DNA was obtained from saliva samples, and COMT-rs4680 was genotyped using TaqMan{\circledR} methodology. Results: Child BMI percentile predicted subsequent caregiver restrictive feeding for children who were Met/Met and who had caregivers reporting higher use of negative responses to child distress. For Val carriers, BMI percentile predicted restrictive feeding when caregivers were below the mean on these responses. Conclusions: Caregivers are at risk for use of restrictive feeding practices when their children are at higher BMI percentiles, and this association increases when caregivers use more ineffective stress regulation practices and their children are homozygous for the Met allele. Prevention programmes might focus on parenting behaviours that foster emotion regulation and consider variation in child responses to parenting.",
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N2 - Background: Restrictive feeding is implicated in pediatric obesity, and caregivers increase controlling feeding practices on the basis of higher child weight status. However, few studies have examined how child genetic and parenting characteristics together impact restrictive feeding. Objectives: We examined whether child body mass index (BMI) status predicts caregiver use of restrictive feeding and if this association is moderated by (i) caregiver strategies to manage their children's distress and (ii) child variations in the catechol-O-methyltransferase (COMT) gene (Val 158 Met, rs4680). Methods: Participants included 126 Caucasian children (50% girls) and their caregivers who were participating in a larger study in the USA. Caregivers reported on their feeding practices and responses to child distress when children were 2.5–3.5 years of age. Child anthropometric measurements were also obtained. Restrictive feeding was assessed again 1–1.5 years later. Genomic DNA was obtained from saliva samples, and COMT-rs4680 was genotyped using TaqMan® methodology. Results: Child BMI percentile predicted subsequent caregiver restrictive feeding for children who were Met/Met and who had caregivers reporting higher use of negative responses to child distress. For Val carriers, BMI percentile predicted restrictive feeding when caregivers were below the mean on these responses. Conclusions: Caregivers are at risk for use of restrictive feeding practices when their children are at higher BMI percentiles, and this association increases when caregivers use more ineffective stress regulation practices and their children are homozygous for the Met allele. Prevention programmes might focus on parenting behaviours that foster emotion regulation and consider variation in child responses to parenting.

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