Average Annual Asthma Prevalence (per 1000), 1980 to 1996 and Asthma Attack Prevalence (per 1000), 1997 to 2000 During the Previous 12 Months Among Children Younger than 18 Years, United States*

Asthma PrevalenceAsthma Attack Prevalence
Overall prevalence36.849.460.168.654.453.152.755.3
 White non-Hispanic36.451.059.665.352.252.149.953.4
 Black non-Hispanic41.959.872.682.167.568.174.176.8
 0–4 y29.431.943.050.341.246.542.143.5
 5–10 y49.054.562.774.358.553.057.257.5
 11–17 y32.158.071.477.460.458.056.261.5
  • Data for ethnicity are unavailable for 1980-81. White and black prevalence estimates include Hispanic ethnicity.

    Adapted from Centers for Disease Control and Prevention. Measuring childhood asthma prevalence before and after the 1997 redesign of the National Health Interview Survey-United States. MMWR Morb Mortal Wkly Rep. 2000;49:908–911.

  • The space between 1995–1996 and 1997 indicates a trend break due to redesign of the 1997 NHIS.

  • * All relative SEs for estimates are below 30%.