2021 National Health Interview Survey (NHIS) Data

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Standard Errors1 for Percentage of Persons Who Had Asthma Attack2 Among Those With Current Asthma3 by Age, United States: National Health Interview Survey, 2021

Table 6-2
Standard Errors1 for Percentage of Persons Who Had Asthma Attack2
Among Those With Current Asthma3 by Age, United States: National Health Interview Survey, 2021
Characteristic All Ages
Total		 Children
Age <18		 Adults
Age 18+		 0–4 5–14 15–19 20–24 25–34 35–64 65+
Total: 1.05 2.51 1.18 8.09 3.15 4.26 4.77 2.92 1.62 2.21
    Male 1.66 3.40 1.94 11.52 4.22 4.85 6.31 4.78 2.76 4.17
    Female 1.30 3.70 1.40 9.55 4.51 6.73 7.06 3.92 1.97 2.52
White Non–Hispanic: 1.34 3.64 1.46 11.97 4.56 6.26 6.52 3.87 1.93 2.53
    Male 2.06 5.22 2.28 15.81 6.39 6.70 9.12 6.20 3.23 3.97
    Female 1.69 5.26 1.77 15.01 6.70 9.29 9.43 5.27 2.37 3.00
Black Non–Hispanic: 2.63 5.85 3.05 18.37 7.31 9.23 9.19 6.16 4.34 5.12
    Male 4.44 8.40 5.22 23.05 10.60 12.13 11.20 8.33 7.74 15.58
    Female 3.22 7.80 3.61 19.88 8.67 14.03 15.97 8.58 5.24 5.03
Other Non–Hispanic: 3.65 7.56 4.19 17.50 9.70 3.97 12.15 10.65 5.74 10.35
    Male 5.43 8.93 7.02 0.00 11.54 4.69 15.99 9.91 10.56 18.79
    Female 4.55 11.65 4.90 20.13 12.19 0.00 14.94 12.82 6.86 9.65
Hispanic: 2.80 5.61 3.38 15.44 6.52 9.40 9.84 7.69 4.79 8.37
    Male 4.52 6.70 6.08 21.08 8.07 7.06 16.11 11.97 9.69 14.28
    Female 3.75 9.15 4.08 6.00 8.54 11.69 12.27 10.32 5.41 10.25
Mexican/Mexican–American:4 4.08 7.27 5.20 0.00 8.37 10.12 16.61 11.02 7.22 10.02
        Male 5.94 8.64 8.72 0.00 10.03 9.23 23.99 16.14 13.16 21.57
        Female 5.60 11.20 5.98 0.00 12.23 16.74 0.00 14.08 7.76 7.48
    Other Hispanic:4 4.32 8.98 4.96 16.66 9.36 16.96 12.24 9.66 7.38 11.90
        Male 6.85 10.47 8.71 26.04 12.62 0.00 0.00 15.01 14.92 21.05
        Female 5.64 14.18 6.06 0.00 10.71 16.25 15.19 12.45 8.69 12.96
Region:
    Northeast 2.54 6.57 2.89 15.80 7.80 12.42 12.31 7.24 4.02 6.17
    Midwest 2.19 5.31 2.39 13.29 6.35 8.24 8.25 5.86 3.19 4.07
    South 1.84 4.16 2.11 13.15 5.25 7.64 7.64 4.81 2.82 3.53
    West 2.02 4.42 2.27 23.99 5.78 7.51 8.80 5.78 3.20 4.53
Ratio of Family Income to Poverty Threshold:5
    0.0–0.99 3.09 6.21 3.34 16.85 7.79 9.75 11.69 8.35 4.49 5.79
    1.00–2.49 2.13 4.65 2.35 13.99 5.38 10.08 9.32 5.70 3.30 3.84
    2.50–4.49 2.26 4.93 2.47 17.42 6.55 7.05 9.96 5.95 3.29 4.26
    4.50 and above 1.90 4.26 2.11 17.85 5.29 8.06 8.67 5.79 2.70 4.22

Source: National Health Interview Survey, National Center for Health Statistics, CDC
Compiled 3/27/2023

1Standard error measures the variability in the estimates.
2Having 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.
3Persons 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?”
4As a subset of Hispanic.
5Missing responses imputed. See NHIS “Imputed Income Technical Document”: https://ftp.cdc.gov/pub/Health_Statistics/NCHS/Dataset_Documentation/NHIS/2020/NHIS2020-imputation-techdoc-508.pdf [PDF – 427 KB].
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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