Having siblings promotes a more healthy weight status-Whereas only children are at greater risk for higher BMI in later childhood.

PLoS One · 2022 · PMC9295960 · PMID 35853023

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showed a trendno p-value reported

Each of the three PA categories showed a trend in which increased time spent at play or engaged in sports was associated with lower BMI-SDS.

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highly significantno p-value reported

In a multivariate model, being an only child showed a highly significant association with BMI-SDS.

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