2020 National Health Interview Survey (NHIS) Data

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Percentage of Persons With Current Asthma1 by Age, United States: National Health Interview Survey, 2020

Table 6-1
Percentage of Persons Who Had Asthma Attack1 Among Those With Current Asthma2
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: 41.0 42.7 40.7 52.9 45.1 36.9 29.1 34.7 42.2 46.4 31.8
   Male 37.5 40.8 36.6 32.3* 44.6 34.9 29.7 36.8 36.6 39.8 30.5
   Female 43.1 44.5 42.9 61.9 45.8 38.2 28.6 33.1 45.6 50.0 32.4
White Non–Hispanic: 42.3 44.4 42.0 58.6 45.3 39.0 32.3 34.0 44.7 48.7 30.7
   Male 38.7 43.8 37.7 ** 48.8 33.0 35.2 32.7 32.0 44.1 29.6
   Female 44.3 44.9 44.2 62.4 41.7 42.6 30.4 34.9 51.7 51.0 31.2
Black Non–Hispanic: 37.1 31.2 38.6 ** 37.0 36.6 ** 50.4 41.1 39.1 34.2
   Male 35.3 38.7 34.0 ** 46.2 38.1* ** 46.6* 49.0* 28.0 **
   Female 38.3 22.1* 41.3 ** 22.8* 35.6 ** 55.7* 36.8 45.1 36.7
Other Non–Hispanic: 38.3 50.4 35.2 ** 56.6 28.8 42.8* ** 32.5* 41.7 31.4*
    Male 36.9 44.9 33.5 ** 46.7* 36.7 42.8* ** 32.1* 34.3 31.1*
    Female 39.5 64.2 36.4 ** 76.7 ** ** ** 33.1* 48.0 31.5*
Hispanic: 41.4 45.4 40.0 80.6 46.9 34.4 30.8* 31.8* 38.9 46.6 37.2
    Male 36.3 34.5 36.9 59.7* 34.4* 36.1 29.2* 35.7* 41.2 36.8 36.9*
    Female 44.8 54.0 42.0 ** 57.7 33.1 ** ** 37.4* 51.8 37.3
 Mexican/Mexican–American:3 38.5 46.0 35.5 ** 42.9 31.2 34.5* 28.0* 32.0* 48.4 27.3*
    Male 35.0 38.6* 33.3 ** 35.9* 30.6* 35.3* ** 41.3* 44.1* **
    Female 40.4 51.2 36.6 ** 48.5* 31.6* ** ** ** 50.3 29.7*
Other Hispanic:3 44.2 44.5 44.2 65.6* 51.4 39.5 ** ** 45.7 44.7 43.5
    Male 37.3 29.8* 39.6 ** 33.0* 43.3* ** 54.7* 41.1* 32.8 42.3*
    Female 50.1 58.4 47.9 ** 69.0 36.0* ** ** 48.9* 52.6 44.6
Region:
    Northeast 40.2 55.4 37.7 ** 54.3 40.3 60.3 33.6* 37.2 42.4 28.5
    Midwest 36.7 31.8 37.6 ** 35.1 29.1 15.7* 31.6 36.8 44.9 29.9
    South 42.8 43.8 42.6 61.3 45.3 37.4 24.2* 43.1 41.0 49.2 33.0
    West 42.4 42.0 42.5 ** 47.8 40.7 36.4 24.5* 49.5 46.6 33.9
Ratio of Family Income to Poverty Threshold:4
    0–0.99 43.5 42.4 43.8 ** 50.3 36.0 25.1* 26.6* 48.5 48.5 38.1
    1.00–2.49 41.8 39.4 42.3 65.7 36.8 40.6 27.1 51.4 42.9 50.8 27.2
    2.50–4.49 40.3 47.7 38.9 ** 47.0 38.2 49.3 ** 40.8 44.0 32.8
    4.50 and above 39.4 43.2 38.8 62.6* 50.1 31.7 21.4* 27.0 39.0 43.6 33.6

Source: National Health Interview Survey, National Center for Health Statistics, CDC
Compiled 3/13/2022

1Having had one or more asthma attacks, which is defined by persons who answered “yes” to the question: “During the past 12 months, have you had an episode of asthma or an asthma attack?” among people with current asthma.
2Persons who answered “yes” to the questions: “Have you EVER been told by a doctor or other health professional that you had asthma?” and “Do you still have 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.
3As a subset of Hispanic.
4Missing 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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