2018 National Health Interview Survey (NHIS) Data

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

Table 4-1
Current 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: 7.7 7.5 7.7 3.8 8.6 7.9 11.0 8.1 6.5 7.7 7.8
   Male 6.2 8.3 5.5 5.0 9.8 6.3 8.5 7.2 4.8 5.5 5.2
   Female 9.1 6.7 9.8 2.4 7.3 9.6 13.7 9.0 8.1 9.9 10.0
White Non-Hispanic: 7.6 5.6 8.0 2.3 6.2 8.4 9.9 8.5 7.6 8.2 7.4
   Male 5.9 6.2 5.9 3.6 7.1 6.5 7.1 6.7 6.1 6.0 5.0
   Female 9.1 5.0 10.0 0.9* 5.3 10.3 13.1 10.2 9.1 10.2 9.3
Black Non-Hispanic: 10.6 14.3 9.3 7.8 16.9 9.5 16.9 11.0* 6.0 9.4 11.1
   Male 9.7 16.8 7.0 10.4* 20.9 8.7 17.1 ** 4.1* 6.2 7.4
   Female 11.4 11.7 11.3 4.5* 12.8 10.2 16.8 11.7* 7.4 12.1 13.6
Other Non-Hispanic: 7.3 7.4 7.2 4.3* 6.6 8.6 17.2 4.8* 6.7 7.0 7.3
    Male 6.4 8.7 5.6 5.4* 8.5 8.0 14.4* 8.4* 5.0* 4.5 6.0*
    Female 8.0 6.1 8.7 ** 4.5* 9.2 19.3* ** 8.2* 9.2 8.3
Hispanic: 6.4 8.0 5.7 4.5 9.7 5.7 7.6 7.4 3.8 5.3 9.1
    Male 4.8 8.2 3.3 4.9* 10.1 3.7 5.2* 5.8* 1.8* 3.5 3.6*
    Female 8.0 7.8 8.1 4.0* 9.3 7.8 10.2 9.0* 5.8 7.1 13.7
 Puerto Rican:a 14.9 17.0 14.1 ** 18.4 17.4 21.9* 25.9* 9.9* 14.2 12.0*
    Male 12.8 20.3* 10.0* ** 22.8* 13.4* ** ** ** 14.0* **
    Female 17.2 13.9* 18.5 ** 14.7* 22.3 28.4* 34.0* 11.0* 14.3 23.3*
Mexican/Mexican-American:a 5.3 6.9 4.5 2.9* 8.8 5.3 6.1 7.0* 3.9 3.8 6.7
    Male 3.8 6.8 2.3 5.0* 8.0 3.3 3.8* 6.5* ** 1.9* **
    Female 6.9 7.1 6.8 ** 9.6 7.3 8.3* 7.5* 6.7 5.7 10.8
Region:
    Northeast 9.0 8.9 9.1 6.0 9.5 10.7 18.0 7.5 9.1 8.8 7.9
    Midwest 7.3 7.0 7.3 3.2* 7.9 7.1 10.4 7.3 5.4 7.6 7.8
    South 7.4 8.2 7.1 3.7 9.9 7.2 9.6 8.9 5.4 7.1 7.6
    West 7.6 6.2 8.0 3.0* 6.7 8.1 9.6 8.1 7.4 8.1 8.2
Ratio of Family Income to
Poverty Threshold:b
    0-0.99 10.8 10.2 11.1 6.7 11.9 9.9 13.6 9.8 7.8 12.0 11.7
    1.00-2.49 8.1 8.5 8.0 2.2 10.3 8.0 12.0 8.1 6.1 8.4 8.3
    2.50-4.49 7.3 6.6 7.5 4.0 7.5 7.6 9.9 7.8 6.5 7.1 8.3
    4.50 and above 6.5 5.4 6.7 2.9* 5.3 7.3 9.5 7.2* 6.4 6.8 6.0

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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Page last reviewed: December 17, 2019