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Survey Items: S2Q50
Denominator: Children/youth ages 0 - 17 who still have asthma (S2Q19 = Yes AND S2Q49 = Yes)
Numerator: Minor; Moderate: Severe
Revisions and Changes:
Additional Notes: The question "Does child still have asthma? (S2Q49) was only asked for children whose parents reported EVER being told that the child had asthma (S2Q19=Yes). Only those parents who reported the child still has asthma (S2Q49=Yes) were asked questions about its affects on the child and the child's family.
Treatment of Unknown Values: Unknown values (responses coded as "refused", "don't know", or system missing) were removed from the denominator when calculating prevalence estimates and weighted population counts displayed in the results tables. In nearly all cases, the number of unknown values is less than 1%; their exclusion does not impact the prevalence estimates (%) and only marginally affects the weighted population counts (Weighted Est.). Please contact CAHMI (cahmi@ohsu.edu) if you have further questions.
History and Development:
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 2003. 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.