Association between DNA methylation and ADHD symptoms from birth to school age: a prospective meta-analysis.

School-age methylation EWAS quality checks The regression coefficient distribution showed no signs of errors, but three out of the five cohorts showed a trend toward positive associations in separate analyses (Table 1 ).

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Stability of methylation association across age The associations between methylation at birth with ADHD symptoms and methylation at school age with ADHD symptoms were largely consistent for nominally significant probes.

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