2021 Child Asthma Data: Prevalence Tables

Table L1
Childa Lifetime Asthmab Prevalence
and Weighted Numberc by State or Territory: BRFSS 2021
State Sample Sized Prevalence
(Percent)
Standard
Error
95% CIe
(Percent)
|| Weighted
Numberc
95% CIe
(Number)
Totalf 53,084 10.2 0.31 (9.6–10.8) || 4,930,614 (4,627,781–5,233,447)
AL 890 13.7 1.53 (11.0–17.0) || 144,949 (112,161–177,738)
CA 1,435 8.7 1.00 (6.9–10.8) || 749,445 (576,824–922,066)
CT 1,760 13.4 1.32 (11.1–16.2) || 92,525 (73,961–111,090)
DC 479 16.0 2.26 (12.0–20.9) || 20,311 (14,455–26,167)
GA 1,322 14.3 1.62 (11.5–17.8) || 336,639 (258,898–414,380)
HI 1,553 8.1 1.21 (6.1–10.8) || 24,652 (17,386–31,919)
IL 500 8.9 1.83 (5.9–13.2) || 225,171 (131,670–318,672)
IN 1,948 10.3 0.88 (8.7–12.1) || 152,677 (126,631–178,723)
KS 4,172 10.4 0.60 (9.3–11.6) || 69,659 (61,822–77,496)
KY 988 8.2 1.02 (6.4–10.4) || 75,941 (57,564–94,319)
ME 1,722 10.7 1.14 (8.6–13.1) || 23,839 (18,885–28,794)
MD 3,134 10.7 0.86 (9.1–12.5) || 139,499 (117,576–161,422)
MA 1,359 14.0 1.37 (11.5–16.9) || 170,231 (136,016–204,445)
MI 1,590 10.3 0.99 (8.5–12.4) || 209,019 (169,228–248,810)
MN 3,271 8.6 0.71 (7.3–10.1) || 109,276 (91,115–127,437)
MS 963 13.1 1.57 (10.3–16.5) || 84,210 (64,192–104,227)
MO 2,578 11.0 1.05 (9.1–13.2) || 141,221 (113,984–168,458)
MT 1,260 7.7 0.89 (6.1–9.6) || 16,700 (12,896–20,504)
NE 3,170 7.6 0.74 (6.3–9.2) || 35,857 (28,991–42,722)
NH 831 10.8 1.27 (8.5–13.5) || 26,025 (20,214–31,835)
NJ 1,632 8.5 0.93 (6.8–10.5) || 157,487 (123,187–191,788)
NM 1,412 8.9 0.99 (7.1–11.0) || 40,358 (31,616–49,100)
NY 2,172 9.6 1.06 (7.7–11.9) || 379,572 (296,741–462,403)
OH 2,505 8.7 0.81 (7.2–10.4) || 214,633 (175,474–253,792)
PA 1,178 10.7 1.20 (8.5–13.3) || 257,678 (200,352–315,004)
RI 1,162 9.9 1.15 (7.9–12.4) || 20,205 (15,540–24,870)
TX 2,259 11.2 1.11 (9.2–13.5) || 794,661 (637,192–952,129)
UT 3,262 8.4 0.61 (7.2–9.6) || 76,722 (65,598–87,847)
VT 1,301 8.7 1.05 (6.8–11.0) || 9,740 (7,458–12,022)
WI 1,035 10.4 1.71 (7.5–14.2) || 128,421 (85,182–171,661)
Territories
PR 890 18.0 1.50 (15.2–21.1) || 121,434 (100,967–141,901)
VI 241 12.5 3.89 (6.6–22.3) || 3,292 (1,193–5,390)

For additional information on methods and variable description, refer to “Technical Information, available at: https://www.cdc.gov/asthma/brfss/2021/child/brfsschildtechinfo.html
aAged 0-17 years
bLifetime question: Has a doctor, nurse or other health professional ever said that the child has asthma?
cWeighted number of respondents who answered the lifetime asthma question
dUnweighted number of respondents who answered the lifetime asthma question
eCI denotes confidence interval
fTotal includes data from 29 states and DC, but excludes Puerto Rico and U.S. Virgin Islands
(.–.) or empty cell: Suppressed if the normal approximation to the binomial distribution does not apply due to small sample size or relative standard error (RSE) > 30%

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

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