Previous studies have identified an association between habitual snoring and lower cognitive performance in children.

However, whether and to what extent this association is confounded by pertinent demographic, anthropometric, and socioeconomic characteristics is unknown.

We assess the extent to which potential confounding factors modify the association between parent-reported habitual snoring and cognitive outcomes among a large and diverse sample of typically developing preadolescent children.

This cross-sectional analysis used a baseline data set (version 2.0.1) from children enrolled in the ongoing Adolescent Brain Cognitive Development study between September 1, 2016, and October 15, 2018.

Children aged 9 to 10 years without serious psychiatric or neurological comorbidities were recruited at 21 research sites in the US.

Study recruitment was designed to approximate the racial and socioeconomic diversity of the US population. Data were analyzed from February 1 to March 31, 2020.