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Survey Items: C3Q21 - C3Q34
Denominator: CSHCN age 0-17
Numerator: Number of functional difficulties (either a little or a lot of difficulty) reported from list of 14 different difficulties asked in the survey
Revisions and Changes: In 2009/10 changes were made to the response options for questions C3Q21 - C3Q34. They changed from "yes/no" in 2005/06 to "a lot of difficulty/a little difficulty/no difficulty" in 2009/10. There were also minor changes to the questions themselves to accommodate the change in response options. The questions assessing vision and hearing difficulties were also changed. Each series of three questions from 2005/06(for example, "Without glasses or contact lenses, would you say (he/she) experiences any difficulty seeing?"/"Does (S.C.) wear glasses or contact lenses?"/"Does (S.C.) have any difficulty seeing even when wearing glasses or contact lenses?") was changed to just one question in 2009/10 (for example, "Would you say [he/she] experiences a lot, a little, or no difficulty seeing even when wearing glasses or contact lenses?"). Take these changes into consideration when comparing results across survey years.
Additional Notes: This measure is scored as the count of CSHCN who experience either a little or a lot of each of the 14 difficulties asked about.
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 with Special Health Care Needs 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 with Special Health Care Needs. NS-CSHCN 2009/10. 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].