Examining How National Levels of Life Expectancy, Education, and Income Influence Early Childhood Development: The Mediating Role of the Child's Nurturing Context.
W Andrew Rothenberg, Marc H Bornstein, Diane L Putnick and 1 others
PMID 39140969WHAT IT FOUND
Higher national life expectancy, education, and income were linked to better early child development across 51 low- and middle-income countries.
Education and income worked through home care and resources; caregiver reading, storytelling, counting, and drawing were also linked to development.
Key findings
01Higher national life expectancy was associated with more advanced child development, and this association was not mediated by nurturing-care indicators.
02Higher national education was associated with child development through less caregiver psychological aggression and physical violence, greater caregiver education, and child height-for-age.
03More caregiver cognitive caregiving was associated with more advanced child development even after accounting for other predictors.
STILL TO COME
How it was doneWhat they foundWhat it means for SLPs
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What it does not show
The data are cross-sectional, so the study cannot show that national conditions, nurturing practices, or caregiver education caused better child development. Many caregiver-reported measures, such as responsive caregiving, discipline, and learning materials, may be biased by what mothers reported or perceived. The study analysed countries and families at population level, so it does not show how an individual child will respond to therapy or to added books, toys, or appliances. The paper proposes provider actions, such as coaching parents or increasing access to learning materials, but it did not test those actions.
Declared interests
No author conflicts of interest were disclosed, and the article text does not state who funded the study.
The easy way to misread this
Do not conclude that adding books, toys, or household appliances to a home, or coaching parents in reading and counting, will improve a child's development. The study reports associations across countries from cross-sectional survey data, not tested therapy effects.