Age within schoolyear and attention-deficit hyperactivity disorder in Scotland and Wales.

BMC Public Health · 2022 · PMC9150337 · PMID 35637502

Europe PMC DOI

hedged sentence

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a clear trendno p-value reported

When the analyses included held-back children, and was based on their expected schoolyear, there was a clear trend, in both countries, between relative age within schoolyear and treated ADHD.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.