2018 National Health Interview Survey (NHIS) Data

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Lifetime Asthma Prevalence Percents
by Age, United States: National Health Interview Survey, 2018

Table 2-1
Lifetime Asthma Prevalence Percents
by Age, United States: National Health Interview Survey, 2018
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: 13.0 11.6 13.4 4.9 13.1 16.1 20.0 16.9 14.1 12.6 11.7
   Male 11.8 13.0 11.4 6.3 15.0 15.4 18.4 16.7 13.3 10.3 8.6
   Female 14.1 10.2 15.2 3.3 11.2 16.9 21.6 17.1 14.8 14.8 14.2
White Non-Hispanic: 12.9 9.5 13.8 3.2 10.4 16.7 18.5 17.3 15.6 13.5 11.1
   Male 11.4 10.6 11.6 4.5 11.9 15.2 15.8 15.8 14.8 11.3 8.3
   Female 14.4 8.4 15.8 1.8* 8.9 18.2 21.5 18.8 16.5 15.6 13.5
Black Non-Hispanic: 15.6 18.1 14.8 8.6 21.7 17.4 23.0 19.7 14.3 13.4 14.5
   Male 15.4 21.2 13.3 11.9 26.3 18.4 23.8 23.6 13.5 10.5 10.8
   Female 15.8 15.0 16.0 4.5* 17.2 16.5 22.3 15.3 15.0 15.9 17.1
Other Non-Hispanic: 12.6 11.9 12.9 4.6* 12.2 17.4 27.9 16.6 12.9 10.2 13.3
    Male 12.0 14.7 11.0 5.7* 15.4 17.3 32.0 15.3 12.3 7.9 10.1*
    Female 13.3 9.0 14.6 ** 8.8 17.6 24.9 18.1 13.6 12.3 15.7
Hispanic: 11.7 12.4 11.4 6.5 14.2 13.4 18.3 14.6 10.2 9.8 12.9
    Male 10.8 13.1 9.7 7.0 15.2 13.2 17.0 15.6 9.9 7.7 8.9
    Female 12.6 11.7 13.0 5.9* 13.3 13.6 19.7 13.6 10.6 12.0 16.3
 Puerto Rican:a 23.0 23.6 22.8 ** 25.8 28.1 35.2* 34.4* 20.5* 22.3 19.6
    Male 22.6 29.0 20.3 ** 29.4 31.1 37.8* 34.9* 24.7* 21.1 **
    Female 23.4 18.4* 25.4 ** 22.7* 24.4 28.4* 34.0* 15.3* 23.6 31.8
Mexican/Mexican-American:a 9.6 11.5 8.7 5.5* 13.1 11.4 16.9 11.6 8.0 7.0 9.2
    Male 8.4 12.0 6.6 8.1* 13.2 9.6 13.9 12.5* 5.4* 5.1 5.4*
    Female 10.9 11.0 10.8 ** 12.9 13.1 19.8 10.7* 10.5 9.1 12.6
Region:
    Northeast 14.2 12.9 14.5 6.1 14.6 18.4 24.9 17.1 16.3 13.5 12.2
    Midwest 12.8 10.9 13.3 4.5 12.4 16.3 18.7 19.6 13.2 12.2 11.0
    South 12.5 12.7 12.5 5.2 14.8 14.6 18.6 14.6 12.7 12.1 11.1
    West 13.1 9.7 14.2 3.9 10.3 17.0 20.3 17.1 15.3 12.9 13.0
Ratio of Family Income to
Poverty Threshold:b
    0-0.99 16.0 14.6 16.7 8.0 16.8 18.2 23.4 18.4 14.8 15.9 16.3
    1.00-2.49 13.3 13.1 13.4 4.2 15.2 15.5 22.3 15.3 12.5 12.9 12.2
    2.50-4.49 12.7 10.7 13.3 4.5 12.2 15.1 18.2 15.2 13.9 13.0 11.4
    4.50 and above 11.9 8.8 12.5 3.5 9.0 16.7 17.4 19.6 15.3 11.4 10.4

Source: National Health Interview Survey, National Center for Health Statistics, CDC
Compiled 12/2/2019
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.

aAs a subset of Hispanic.
bMissing responses imputed.

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

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