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The problem
Intervention: Daily childcare attendance
Who it was tested with: Australian children aged 1-4.5 years (N=188, 45.74% female).
Children or communities are compared with a group that did not receive the intervention, or followed over years. This is the design that best separates what the intervention did from everything else that changed.
"We fit hybrid mixed-effects models over multiply imputed data to estimate associations between daily childcare attendance and napping frequency at both the within- and between-child levels. We test interaction effects to determine whether these associations are moderated by child age." The longitudinal design with frequent observations allows detection of within-child changes in response to childcare attendance, and the interaction analysis specifically tests whether age moderates this relationship.
Cross-sectional designs and widely spaced observations in prior studies limited ability to distinguish childcare effects from family differences; mechanisms underlying the age-dependent reversal are not explained; single-country study may limit generalisability.
Across countries and designs
1 study · 1 country
