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Parental height modifies the association between linear growth and neurodevelopment in infancy

Ravi P Upadhyay1,2, Ram K Chandyo3, Ingrid Kvestad4

  • 1Centre for Health Research and Development, Society for Applied Studies, New Delhi, India.

Acta Paediatrica (Oslo, Norway : 1992)
|April 20, 2019
PubMed

Insights

Maternal and paternal height influence the link between infant growth (LAZ) and neurodevelopment. Parental stature affects how well length-for-age Z-score predicts cognitive and motor skills in children.

Area of Science:

  • Child Development
  • Human Growth and Development
  • Pediatric Neurodevelopment

Background:

  • Length-for-age Z-score (LAZ) is a common indicator of child growth.
  • Neurodevelopmental outcomes are crucial for child well-being and future potential.
  • The influence of parental stature on the LAZ-neurodevelopment relationship is not well understood.

Purpose of the Study:

  • To investigate if maternal and paternal height modify the association between LAZ and neurodevelopmental outcomes.
  • To assess the impact of parental stature on the predictive value of LAZ for infant cognitive, language, and motor development.

Main Methods:

  • Utilized baseline data from 600 Nepalese infants (6-11 months) with LAZ < -1.
  • Employed linear regression and generalized additive models (GAM) to analyze interactions.
  • Stratified analyses by maternal and paternal height categories.

Main Results:

  • The association between LAZ and cognitive scores varied significantly by maternal and paternal height.
  • Maternal height also modified the LAZ-fine motor skill association.
  • The LAZ-neurodevelopment link was weaker when parental height was considered.

Conclusions:

  • Parental stature is a significant factor that modifies the association between LAZ and neurodevelopmental outcomes.
  • LAZ should be interpreted cautiously as a proxy for neurodevelopment, considering parental height.
  • Future research should incorporate parental stature in studies of child growth and development.
Abstract

Keywords:
InfancyInteractionMaternal heightNeurodevelopmentPaternal height

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