2021 National Health Interview Survey (NHIS) Data

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Standard Errors for Asthma Attack Population Estimates Among Those With Current Asthma—Rounded by Age, United States: National Health Interview Survey, 2021

Table 5-2
Standard Errors1 for Asthma Attack2 Population Estimates Among Those With Current Asthma3—Rounded 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: 392,000 154,600 363,000 54,500 130,900 97,500 128,000 134,700 244,700 110,900
   Male 218,400 123,100 181,500 35,800 114,700 55,200 61,900 90,600 128,600 58,100
   Female 297,600 93,700 282,600 41,300 66,800 81,400 109,600 100,900 195,200 89,100
White Non–Hispanic: 310,300 104,700 286,400 29,100 88,600 76,100 84,300 106,400 197,400 94,900
   Male 164,400 82,400 140,900 24,100 73,400 35,800 42,000 70,700 106,500 38,200
   Female 243,200 63,100 232,400 16,400 48,300 67,600 73,100 81,300 158,000 82,900
Black Non–Hispanic: 144,900 89,600 115,700 27,700 75,800 50,200 30,200 53,200 86,000 23,000
   Male 98,200 70,100 68,400 17,600 66,800 40,000 20,900 31,000 40,300 13,900
   Female 106,200 51,900 91,700 21,400 36,600 30,300 22,600 43,300 77,000 18,200
Other Non–Hispanic: 109,500 45,500 99,000 25,200 38,800 5,400 59,300 29,800 51,800 42,100
    Male 62,200 31,200 55,800 8,900 29,800 5,400 27,000 8,800 27,800 16,600
    Female 89,500 34,200 82,700 23,500 24,900 0 52,800 29,100 44,000 18,300
Hispanic: 140,700 74,300 118,000 27,700 59,000 38,200 43,600 55,100 86,600 29,000
    Male 92,000 58,400 69,400 17,700 54,600 11,700 27,900 43,000 45,100 16,600
    Female 106,600 43,200 92,800 21,300 19,400 36,500 33,500 34,700 69,600 23,800
Mexican/Mexican–American:4 96,700 59,400 77,300 0 53,800 22,600 27,900 42,600 57,400 12,200
    Male 73,600 50,700 55,100 0 49,500 11,700 27,900 36,000 28,900 11,400
    Female 57,700 24,900 47,800 0 17,600 19,500 0 22,900 42,500 4,300
Other Hispanic:4 101,000 44,400 86,000 26,900 24,500 30,300 33,500 34,300 62,400 26,300
    Male 52,600 28,300 42,000 16,500 23,000 0 0 24,400 33,200 12,000
    Female 86,000 34,900 75,000 21,300 8,500 30,300 33,500 24,200 53,000 23,400
Region:
    Northeast 175,300 49,600 169,200 23,400 32,300 34,300 78,400 41,500 114,300 52,200
    Midwest 173,700 80,100 159,400 32,400 63,600 51,900 33,000 69,800 113,000 42,000
    South 243,600 107,900 219,800 36,600 95,300 62,900 84,000 77,700 146,300 61,700
    West 182,900 58,100 171,300 6,400 54,500 41,000 45,800 74,300 112,500 63,300
Ratio of Family Income to Poverty Threshold:5
    0–0.99 163,900 105,200 124,500 30,300 91,600 49,300 55,000 57,300 77,800 27,400
    1.00–2.49 218,300 91,000 194,100 36,100 75,300 64,700 89,200 65,700 126,400 61,500
    2.50–4.49 181,900 62,000 168,300 23,900 52,300 37,700 54,000 73,000 116,500 51,900
    4.50 and above 212,600 55,900 201,600 22,200 43,400 55,300 44,200 79,100 149,000 67,100

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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