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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
Summary
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.
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