Linear Growth and Child Development in Burkina Faso, Ghana, and Malawi
Elizabeth L Prado1, Souheila Abbeddou2, Seth Adu-Afarwuah3
1Departments of Nutrition, and elprado@ucdavis.edu.
Insights
Childhood growth faltering is linked to poor language and motor skill development. Interventions like developmental stimulation and maternal nutrition may protect against these deficits.
Area of Science:
- Child Development
- Pediatric Growth
- Global Health
Background:
- Linear growth and child development are critical indicators of health.
- Understanding the interplay between growth and development is essential for early intervention.
- Previous research suggests potential links, but quantitative estimates across different developmental periods are needed.
Purpose of the Study:
- To quantify the associations between four domains of child development (language, motor, socioemotional, executive function) and linear growth.
- To examine these associations across three critical periods: prenatal, early infancy, and later infancy.
- To determine if factors like developmental stimulation and maternal nutritional supplementation attenuate these associations.
Main Methods:
- A longitudinal study involving 3700 children in Burkina Faso, Ghana, and Malawi.
- Growth was measured from birth to 18 months.
- Child development domains were assessed at 18 months, with personal-social development assessed in Burkina Faso.
Main Results:
- Linear growth was significantly associated with language, motor, and personal-social development.
- Positive associations were observed between language/motor development and length-for-age z scores (LAZ) from birth to 18 months.
- Associations were weaker in children with high developmental stimulation or mothers receiving nutritional supplementation.
Conclusions:
- Growth faltering from before birth to 18 months is associated with deficits in language and motor skill development.
- Developmental stimulation and maternal nutritional supplementation may mitigate the negative impact of growth faltering on child development.
Objectives:
We aimed to produce quantitative estimates of the associations between 4 domains of child development and linear growth during 3 periods: before birth, early infancy, and later infancy. We also aimed to determine whether several factors attenuated these associations.
Methods:
In 3700 children in Burkina Faso, Ghana, and Malawi, growth was measured several times from birth to age 18 months. At 18 months, language, motor, socioemotional, and executive function development were assessed. In Burkina Faso (n = 1111), personal-social development was assessed rather than the latter 2 domains.
Results:
Linear growth was significantly associated with language, motor, and personal-social development but not socioemotional development or executive function. For language, the pooled adjusted estimate of the association with length-for-age z score (LAZ) at 6 months was 0.13 ± 0.02 SD, and with ΔLAZ from 6 to 18 months it was 0.11 ± 0.03 SD. For motor, these estimates were 0.16 ± 0.02 SD and 0.22 ± 0.03 SD, respectively. In 1412 children measured at birth, estimates of the association with LAZ at birth were similar (0.07-0.16 SD for language and 0.09-0.18 SD for motor development). These associations were weaker or absent in certain subsets of children with high levels of developmental stimulation or mothers who received nutritional supplementation.
Conclusions:
Growth faltering during any period from before birth to 18 months is associated with poor development of language and motor skills. Interventions to provide developmental stimulation or maternal supplementation may protect children who are faltering in growth from poor language and motor development.
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