2020 National Health Interview Survey (NHIS) Data

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Table 2-1 Percentage of Persons With Lifetime Asthma1 by Age, United States: National Health Interview Survey, 2020

Table 2-1
Percentage of Persons With Lifetime Asthma1
by Age, United States: National Health Interview Survey, 2020
Characteristic All Ages
Total		 Children
Age <18		 Adults
Age 18+		 0–4 5–14 15–34 15–19 20–24 25–34 35–64 65+
Total: 13.1 9.4 14.2 3.7 10.1 17.3 16.8 19.6 16.3 13.3 11.7
   Male 12.1 10.4 12.6 4.1* 11.3 17.2 16.3 21.8 15.4 11.2 9.1
   Female 14.1 8.5 15.6 3.3 8.9 17.3 17.3 17.3 17.2 15.3 13.8
White Non–Hispanic: 13.2 8.7 14.3 4.1* 8.7 17.2 15.5 17.0 18.1 14.0 11.5
   Male 11.7 9.6 12.2 ** 10.7 16.5 14.4 18.6 16.3 11.5 9.1
   Female 14.6 7.7 16.2 5.1* 6.8 18.0 16.6 15.4 19.9 16.5 13.6
Black Non–Hispanic: 15.5 11.3 16.8 2.1* 12.2 22.0 25.2 27.7 17.7 14.9 12.0
   Male 15.2 12.0 16.3 ** 13.7 23.1 19.3 38.4 16.6 13.6 8.1
   Female 15.8 10.5 17.3 ** 10.5 21.1 29.7 17.8 18.5 16.0 14.8
Other Non–Hispanic: 11.7 10.1 12.3 ** 11.3 13.1 13.4 14.1 12.6 12.2 12.0
    Male 12.0 12.9 11.6 ** 13.7 14.7 18.2 12.9* 14.4 11.4 6.9
    Female 11.5 7.0 12.9 ** 8.6 11.1 7.8* 15.5* 10.4 13.0 15.8
Hispanic: 11.9 9.8 12.9 3.2* 11.3 16.3 16.1 23.2 12.7 10.3 12.0
    Male 11.6 10.1 12.3 ** 10.4 17.2 18.0 24.9 12.9 8.6 11.7
    Female 12.3 9.5 13.4 ** 12.3 15.4 13.6* 21.7 12.6 12.0 12.3
Mexican/Mexican–American:2 10.6 8.9 11.4 2.1* 9.0 16.3 21.0 22.1 10.6 8.1 9.4
    Male 10.5 9.6 10.9 ** 8.9 17.8 25.5 20.4 11.7 6.9 6.5*
    Female 10.7 8.1 11.9 ** 9.2 15.0 15.3* 23.4 9.6 9.3 11.7
 Other Hispanic:2 14.1 11.8 15.0 ** 16.4 16.1 8.4* 24.7 16.2 13.2 15.1
    Male 13.5 11.3 14.4 ** 14.2 16.2 ** 32.5 14.8 11.0 17.4
    Female 14.7 12.3 15.6 ** 18.3 16.0 10.6* 17.1* 17.6 15.2 13.2
Region:
    Northeast 12.8 9.5 13.7 ** 11.0 15.4 13.7 19.3 14.0 13.6 11.3
    Midwest 13.0 8.6 14.3 ** 9.6 17.1 16.3 19.6 16.1 13.4 11.8
    South 13.2 10.0 14.1 4.2 10.2 18.0 19.0 20.5 16.5 13.2 11.1
    West 13.3 9.3 14.5 2.7* 9.8 17.3 15.6 18.3 17.6 13.3 12.9
Ratio of Family Income to Poverty Threshold:3
    0–0.99 15.9 10.3 18.5 ** 12.3 18.3 17.5 19.0 18.2 19.6 16.0
    1.00–2.49 13.8 9.9 15.2 5.3* 9.2 18.5 20.6 22.0 15.3 14.5 12.4
    2.50–4.49 12.1 8.7 13.1 3.3* 10.4 15.2 12.7 15.0 16.2 12.5 10.7
    4.50 and above 12.3 9.1 13.0 2.0* 9.7 17.4 15.7 21.5 16.5 11.8 10.8

Source: National Health Interview Survey, National Center for Health Statistics, CDC
Compiled 3/8/2022

1Lifetime asthma determined by persons who answered “yes” to the question: “Have you EVER been told by a doctor or other health professional that you had asthma?”
All relative standard errors are <30% unless otherwise indicated.
*Relative standard error of the estimate is 30%–50%; the estimate is unreliable.
**Suppressed if relative standard error of the estimate exceeds 50% or if standard error is missing or 0.
2As a subset of Hispanic.
3Missing responses imputed.
Notes: Sex determined by “male” or “female” response to question: “Are you male or female?” Additional information on methods and variable description available at: https://www.cdc.gov/asthma/nhis/default.htm.

Asthma and Community Health Branch
National Center for Environmental Health, Centers for Disease Control and Prevention

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