2020 Adult Asthma Data: Prevalence Tables and Maps

Table C2.1
Adulta Current Asthmab Prevalence
by Sex at Birth and State or Territory, BRFSS 2020
State Male Sample Sizec Male Prevalence (Percent) Male Standard Error Male 95% CId (Percent) ||
||
Female Sample Sizec Female Prevalence (Percent) Female Standard Error) Female 95% CId (Percent)
U.S. Totalf 179,561 6.5 0.13 (6.2–6.7) || 212,364 11.8 0.17 (11.4–12.1)
AL 2,158 6.9 0.73 (5.4–8.3) || 3,149 10.9 0.73 (9.5–12.3)
AK 1,807 5.5 0.97 (3.6–7.4) || 1,836 12.6 1.25 (10.2–15.1)
AZ 4,729 7.1 0.51 (6.1–8.1) || 5,486 12.1 0.63 (10.9–13.4)
AR 2,174 6.5 0.66 (5.2–7.8) || 3,035 11.5 0.92 (9.7–13.3)
CA 2,319 6.9 0.71 (5.5–8.3) || 2,444 11.7 0.94 (9.8–13.5)
CO 4,962 7.1 0.43 (6.2–7.9) || 5,132 12.1 0.55 (11.0–13.2)
CT 4,056 8.1 0.73 (6.7–9.6) || 4,854 12.9 0.72 (11.5–14.3)
DE 1,778 8.6 1.10 (6.5–10.8) || 2,227 12.7 1.02 (10.7–14.7)
DC 1,534 7.4 0.85 (5.7–9.0) || 1,862 13.0 1.09 (10.8–15.1)
FL 5,328 5.1 0.54 (4.0–6.1) || 6,401 9.4 0.70 (8.0–10.8)
GA 3,954 6.7 0.71 (5.3–8.1) || 5,068 11.0 0.72 (9.6–12.4)
HI 3,551 6.0 0.54 (4.9–7.0) || 4,174 11.5 0.68 (10.2–12.9)
ID 2,872 6.1 0.68 (4.8–7.4) || 3,056 12.6 0.88 (10.9–14.3)
IL 1,705 6.3 0.75 (4.8–7.7) || 1,968 10.6 0.90 (8.9–12.4)
IN 3,811 6.6 0.48 (5.6–7.5) || 4,612 12.5 0.61 (11.3–13.7)
IA 4,587 6.4 0.45 (5.5–7.3) || 4,993 11.7 0.56 (10.6–12.8)
KS 4,858 6.9 0.48 (6.0–7.9) || 5,574 12.7 0.61 (11.5–13.9)
KY 1,826 7.7 0.77 (6.2–9.2) || 2,072 15.1 1.03 (13.1–17.1)
LA 2,147 5.5 0.71 (4.1–6.9) || 2,563 10.0 0.77 (8.5–11.5)
ME 4,482 8.5 0.67 (7.2–9.9) || 6,437 12.5 0.67 (11.2–13.8)
MD 6,392 6.5 0.46 (5.6–7.4) || 7,812 11.1 0.50 (10.2–12.1)
MA 3,244 7.3 0.59 (6.1–8.5) || 3,865 13.9 0.79 (12.3–15.4)
MI 3,183 7.3 0.65 (6.0–8.6) || 4,021 14.6 0.73 (13.1–16.0)
MN 7,594 5.7 0.34 (5.0–6.4) || 8,158 11.2 0.43 (10.3–12.0)
MS 2,559 6.0 0.60 (4.8–7.1) || 3,891 11.5 0.71 (10.2–12.9)
MO 4,061 6.4 0.53 (5.4–7.4) || 5,075 12.0 0.65 (10.8–13.3)
MT 3,118 7.5 0.58 (6.3–8.6) || 3,160 13.8 0.78 (12.2–15.3)
NE 6,770 5.7 0.42 (4.9–6.5) || 7,963 9.8 0.54 (8.8–10.9)
NV 1,201 6.6 0.94 (4.8–8.5) || 1,265 12.3 1.23 (9.9–14.7)
NH 2,818 8.4 0.76 (7.0–9.9) || 3,577 14.4 0.82 (12.8–16.0)
NJ 5,429 6.4 0.47 (5.4–7.3) || 5,858 10.8 0.52 (9.8–11.8)
NM 3,016 8.4 0.81 (6.8–10.0) || 3,946 11.7 0.83 (10.0–13.3)
NY 6,659 7.1 0.46 (6.2–8.0) || 8,004 11.7 0.50 (10.7–12.7)
NC 2,630 5.3 0.52 (4.3–6.3) || 3,186 10.0 0.65 (8.8–11.3)
ND 2,145 5.4 0.66 (4.1–6.7) || 2,292 12.0 1.03 (9.9–14.0)
OH 6,653 6.6 0.43 (5.8–7.5) || 7,888 12.9 0.56 (11.8–14.0)
OK 2,159 8.4 0.73 (7.0–9.9) || 2,839 13.1 0.81 (11.5–14.7)
OR 2,585 7.2 0.57 (6.0–8.3) || 2,797 13.9 0.76 (12.4–15.4)
PA 2,737 7.0 0.70 (5.6–8.3) || 2,763 13.3 0.87 (11.6–15.0)
RI 2,289 8.4 0.90 (6.7–10.2) || 3,051 15.5 1.00 (13.6–17.5)
SC 1,781 6.1 0.72 (4.7–7.6) || 2,214 12.4 0.92 (10.6–14.2)
SD 3,061 5.5 0.78 (3.9–7.0) || 3,827 10.7 1.10 (8.6–12.9)
TN 2,091 6.5 0.70 (5.1–7.9) || 2,524 13.9 1.00 (11.9–15.9)
TX 5,164 4.7 0.50 (3.7–5.6) || 5,785 10.1 0.77 (8.6–11.6)
UT 5,296 8.3 0.47 (7.4–9.3) || 5,514 13.3 0.60 (12.1–14.5)
VT 2,881 6.7 0.64 (5.5–8.0) || 3,609 14.8 0.97 (12.9–16.7)
VA 4,243 5.5 0.47 (4.5–6.4) || 5,222 11.5 0.62 (10.3–12.7)
WA 6,044 6.9 0.42 (6.1–7.7) || 6,765 12.4 0.52 (11.4–13.4)
WV 2,555 9.9 0.75 (8.4–11.4) || 3,274 14.8 0.79 (13.3–16.4)
WI 2,424 7.5 0.77 (6.0–9.1) || 2,648 12.8 0.97 (10.9–14.7)
WY 2,141 7.5 0.77 (5.9–9.0) || 2,628 12.7 1.03 (10.6–14.7)
Territories
GU 1,011 2.6 0.69 (1.3–4.0) || 1,159 7.6 1.79 (4.0–11.1)
PR 1,975 8.3 1.19 (6.0–10.7) || 2,961 12.2 1.00 (10.2–14.1)

Notes: For additional information on methods and variable description, refer to ‘Technical Information’, available at https://www.cdc.gov/asthma/brfss/2020/brfsstechinfo.html
aAged 18+ years
bCurrent asthma question: Do you still have asthma?
cUnweighted number of respondents who answered the current asthma question
dCI denotes confidence interval
eWeighted number of the respondents who answered the current asthma question
fU.S. Total includes 50 states plus the District of Columbia and excludes the territories
‘.–./blank’: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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