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Growth and proportionality in early childhood. II. Some population differences

M K Ounsted, V A Moar, W A Scott

    Early Human Development
    |July 1, 1986
    PubMed

    Insights

    Child growth varies globally. This study compares postnatal growth and proportionality in Swedish, Denver, Japanese, and Guatemalan children against an Oxford sample, revealing distinct patterns in stature and head circumference.

    Area of Science:

    • Pediatric Growth and Development
    • Human Morphology
    • Anthropometry

    Background:

    • Understanding diverse postnatal growth trajectories is crucial for assessing child health and development.
    • Human populations exhibit variations in growth patterns influenced by genetics, environment, and nutrition.
    • Previous studies indicate differences in child growth across various ethnic and geographic groups.

    Purpose of the Study:

    • To compare postnatal growth patterns and body proportionality in children from four distinct global populations (Swedish, Denver, Japanese, Guatemalan) against a reference group from Oxford.
    • To investigate anthropometric indices of proportionality, including head-chest, head-stature, and chest-stature ratios.
    • To identify population-specific deviations in growth and shape during childhood.

    Main Methods:

    • Comparative anthropometric study analyzing postnatal growth data.
    • Measurement of key body dimensions: stature, head circumference, and chest circumference.
    • Calculation and comparison of three indices of body proportionality across different child populations.

    Main Results:

    • Swedish children exhibited taller stature and smaller heads, resulting in lower head-chest and head-stature ratios compared to Oxford controls.
    • Denver children showed smaller chest circumferences from age two, with higher head-chest ratios but lower head-stature and chest-stature ratios.
    • Japanese children were smaller overall but maintained similar body proportions to the Oxford sample. Guatemalan children displayed significantly higher chest-stature and head-stature ratios, with reduced stature and head circumference relative to weight and chest circumference.

    Conclusions:

    • Significant population-specific differences exist in children's postnatal growth and body proportionality.
    • Environmental and nutritional factors likely contribute to observed variations in growth patterns, particularly evident in Guatemalan children's altered proportions.
    • The findings highlight the importance of population-specific growth references for accurate assessment of child development and health outcomes.

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