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Survey Items:
Denominator: Children age 3-17 years
Numerator: Children who do not currently have the condition; Children with mild current condition; Children with moderate/severe current condition
Revisions and Changes: Parent-rated severity of current conditions is new in 2007. In the 2007 NSCH parents are asked whether the child has ever been told that their child has a specific condition, from a list of 16 conditions. If they answer “yes” they are then asked if the child currently has the condition. If they answer “yes” to currently have condition, they are asked if they would describe the current condition as mild, moderate or severe. In 2003, parents were only asked if the child EVER had the condition. In 2003 parents were not asked if the child had the condition currently and therefore were not asked the severity of the condition.
Additional Notes: All information about children's current conditions from the 2007 NSCH survey is based on parent report.
Treatment of Unknown Values: Unknown values (responses coded as 'refused', 'don't know', or system missing) are not included in the denominator when calculating prevalence estimates and weighted population counts displayed in the data query results table. In nearly every case, the proportion of unknown values is less than 1% and the exclusion of these values does not change the prevalence estimates (%) and only marginally affects the weighted population counts (Weighted Est.). Exceptions are noted in the form of a “Data Alert” at the bottom of a results table.
History and Development: The Maternal and Child Health Bureau leads the development of the NSCH survey and indicators, in collaboration with the National Center for Health Statistics (NCHS) and a national technical expert panel. The expert panel includes representatives from other federal agencies, state Title V leaders, family organizations, and child health researchers. Previously validated questions and scales are used when available. Respondents’ cognitive understanding of the survey questions is assessed during the pretest phase and revisions made as required. All final data components are verified by NCHS and DRC/CAHMI staff prior to public release.
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C.I. = 95% Confidence Interval. Percentages and population estimates (Pop.Est.) are weighted to represent child population in US.
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With funding and direction from the Maternal and Child Health Bureau, the National Survey of Children’s Health was conducted by the Centers for Disease Control and Prevention’s National Center for Health Statistics. CAHMI is responsible for the analyses, interpretations, presentations and conclusions included on this site.
Suggested citation format: National Survey of Children's Health. NSCH 2007. Data query from the Child and Adolescent Health Measurement Initiative, Data Resource Center for Child and Adolescent Health website. Retrieved [mm/dd/yy] from www.childhealthdata.org.