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2018 NSCH Data Release

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Within National Survey of Children's Health

2018 NSCH Data Release

2018 Screener Data and Input Files

zip SAS data file [1.1 MB]
zip STATA data file [1.4 MB]

2018 Topical Data and Input Files

zip SAS data file [4.7 MB]
zip STATA data file [2.9 MB]

Note: In both individual year and multi-year analyses, the NSCH sample size may be limited for smaller populations (e.g., AI/AN) and state-level subgroups or rare outcomes (e.g. adolescent CSHCN or autism in a particular state). Small sample sizes may produce unstable estimates. To minimize misinterpretation, we recommend only presenting statistics with a sample size or unweighted denominator of 30 or more. Further, if the 95% confidence interval width exceeds 20 percentage points or 1.2 times the estimate (≈ relative standard error >30%), we recommend flagging for poor reliability and/or presenting a measure of statistical reliability (e.g. confidence intervals or statistical significance testing) to promote appropriate interpretation. CBDRB-FY19-346

Now available on Data Page: 2018 SAS and STATA files, 2018 NSCH Variable and Frequencies lists, 2018 Data User FAQs, updated Guide to Multiple Imputed Data Analysis, updated Guide to Multi-Year Analysis.

Data
NSCH Datasets
Access the public use microdata files.

Now available on Technical Documentation page: 2018 Methodology report, 2018 Source and Accuracy Statement, 2018 Nonresponse bias analysis.

Technical Documentation Complete List
Various documents to assist users with our data releases.

Supporting Documentation

Questionnaires
Copies of the NSCH screener and topical questionnaires.
National Survey of Children’s Health (NSCH) Codebook
This interactive tool is a reference for those using the NSCH public use files.

Related Information

Page Last Revised - November 12, 2021
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