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. 2023 Jul 13;20:E58. doi: 10.5888/pcd20.220408

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Preventing Chronic Disease is a publication of the U.S. Government. This publication is in the public domain and is therefore without copyright. All text from this work may be reprinted freely. Use of these materials should be properly cited.

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The sample for the National Survey of Children’s Health during 2016–2019 consisted of 131,774 children aged 0–17 years. We excluded children aged 0 to 2 years (n = 17,298) and children without valid data on sleep duration (n = 1,551). The final analytic sample size was 112,925. — Sample size and exclusion and inclusion criteria for the analytic sample, the National Survey of Children’s Health, 2016–2019.