2018 Adult Asthma Data: Prevalence Tables and Maps

Table C2.1
Adult* Self-Reported Current Asthma Prevalence by Sex and State or Territory, BRFSS 2018
State Male Sample Size§ Male Prevalence (percent) Male Standard Error (percent) Male 95% CI (percent) ||
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Female Sample Size§ Female Prevalence (percent) Female Standard Error (percent) Female 95% CI (percent)
U.S. Total** 193,333 6.5 0.11 (6.3–6.7) || 233,294 11.8 0.14 (11.6–12.1)
AL 2,698 7.3 0.69 (5.9–8.6) || 3,840 13.4 0.78 (11.9–14.9)
AK 1,368 5.8 0.82 (4.2–7.4) || 1,359 13.0 1.36 (10.4–15.7)
AZ 3,644 8.2 0.74 (6.8–9.7) || 4,365 11.6 0.77 (10.1–13.1)
AR 1,961 7.2 0.88 (5.5–9.0) || 3,355 12.3 0.89 (10.6–14.0)
CA 6,072 6.8 0.45 (6.0–7.7) || 5,791 10.1 0.51 (9.1–11.1)
CO 4,270 6.9 0.45 (6.0–7.7) || 4,529 11.3 0.58 (10.2–12.4)
CT 4,673 7.6 0.52 (6.6–8.6) || 5,927 12.8 0.61 (11.6–14.0)
DE 2,292 7.2 0.81 (5.6–8.8) || 2,902 12.7 0.91 (10.9–14.5)
DC 1,944 8.1 0.83 (6.4–9.7) || 2,398 14.7 1.08 (12.6–16.9)
FL 6,772 5.0 0.52 (4.0–6.0) || 8,378 12.2 0.77 (10.7–13.7)
GA 4,068 6.1 0.47 (5.2–7.0) || 5,147 11.6 0.58 (10.4–12.7)
HI 3,824 7.5 0.58 (6.3–8.6) || 4,046 11.2 0.71 (9.8–12.6)
ID 1,795 5.5 0.65 (4.2–6.8) || 1,843 11.8 1.06 (9.7–13.9)
IL 2,509 6.3 0.56 (5.2–7.4) || 2,751 11.1 0.74 (9.6–12.5)
IN 3,193 6.6 0.55 (5.5–7.7) || 4,324 13.2 0.69 (11.9–14.6)
IA 4,308 5.8 0.40 (5.1–6.6) || 4,741 9.8 0.53 (8.8–10.9)
KS 4,929 6.9 0.45 (6.0–7.8) || 5,794 12.6 0.59 (11.4–13.7)
KY 3,580 8.8 0.81 (7.2–10.4) || 4,878 14.0 0.87 (12.3–15.7)
LA 2,232 7.5 1.08 (5.4–9.6) || 2,829 10.2 0.74 (8.7–11.6)
ME 4,550 9.3 0.78 (7.8–10.8) || 6,266 15.0 0.81 (13.4–16.6)
MD 7,376 6.4 0.47 (5.4–7.3) || 9,990 12.1 0.55 (11.0–13.2)
MA 3,049 7.1 0.58 (5.9–8.2) || 3,537 12.9 0.78 (11.4–14.4)
MI 4,818 8.3 0.53 (7.3–9.4) || 5,422 14.0 0.63 (12.8–15.2)
MN 8,232 6.2 0.34 (5.5–6.8) || 8,624 10.3 0.41 (9.5–11.1)
MS 2,334 7.6 0.71 (6.2–9.0) || 3,466 11.5 0.72 (10.1–13.0)
MO 2,650 5.8 0.62 (4.6–7.1) || 3,532 12.8 0.85 (11.1–14.4)
MT 2,386 7.1 0.73 (5.7–8.5) || 2,763 12.8 0.90 (11.1–14.6)
NE 6,526 6.3 0.46 (5.4–7.2) || 8,019 11.4 0.60 (10.2–12.6)
NV 1,507 5.8 1.00 (3.8–7.8) || 1,686 10.0 1.14 (7.8–12.3)
NH 2,520 7.8 0.80 (6.2–9.3) || 3,146 15.7 1.01 (13.7–17.7)
NJ 1,477 4.9 0.73 (3.5–6.3) || 1,594 11.7 1.21 (9.3–14.1)
NM 3,062 6.6 0.59 (5.5–7.8) || 3,598 13.0 0.81 (11.4–14.5)
NY 16,359 7.5 0.36 (6.7–8.2) || 18,691 12.6 0.46 (11.7–13.5)
NC 2,189 5.6 0.66 (4.3–6.9) || 2,513 12.9 0.90 (11.1–14.7)
ND 2,673 6.5 0.61 (5.4–7.7) || 2,901 9.9 0.89 (8.1–11.6)
OH 5,344 7.4 0.57 (6.3–8.5) || 7,329 11.4 0.57 (10.3–12.5)
OK 2,187 7.0 0.72 (5.6–8.4) || 3,034 13.6 0.83 (11.9–15.2)
OR 2,714 8.2 0.64 (7.0–9.5) || 3,158 14.8 0.83 (13.1–16.4)
PA 3,000 5.9 0.54 (4.8–7.0) || 3,149 13.9 0.80 (12.4–15.5)
RI 2,450 9.5 0.92 (7.7–11.3) || 3,093 13.9 0.88 (12.2–15.7)
SC 4,300 5.4 0.45 (4.5–6.3) || 6,472 12.4 0.64 (11.2–13.7)
SD 3,204 5.8 0.72 (4.3–7.2) || 3,847 10.0 0.97 (8.1–11.9)
TN 2,305 6.3 0.64 (5.1–7.6) || 2,805 13.0 0.91 (11.2–14.8)
TX 4,905 4.7 0.56 (3.6–5.8) || 6,165 9.8 0.75 (8.3–11.3)
UT 5,177 7.4 0.46 (6.5–8.3) || 5,253 11.2 0.57 (10.1–12.3)
VT 2,894 9.5 0.85 (7.8–11.2) || 3,575 14.4 0.87 (12.7–16.1)
VA 4,592 5.9 0.49 (4.9–6.8) || 5,651 11.0 0.58 (9.8–12.1)
WA 5,986 6.7 0.42 (5.9–7.6) || 6,964 12.4 0.55 (11.4–13.5)
WV 2,120 9.0 0.79 (7.5–10.6) || 2,753 15.4 0.87 (13.7–17.1)
WI 2,334 6.9 0.71 (5.5–8.3) || 2,639 11.2 0.85 (9.5–12.8)
WY 1,981 6.7 0.68 (5.4–8.0) || 2,462 10.7 0.84 (9.1–12.4)
Territories
GU 726 3.9 0.88 (2.2–5.6) || 908 6.0 1.00 (4.1–8.0)
PR 1,854 7.0 0.72 (5.5–8.4) || 2,979 14.8 0.83 (13.1–16.4)

Notes:
*Aged 18+ years
**U.S. Total includes 50 states plus the District of Columbia and excludes the three territories.
CI denotes confidence interval. §Sample size is the number of respondents answered current asthma question

If values for the standard error and the 95% confidence interval are not provided, the normal approximation to the binomial distribution does not apply due to small sample size.

When the Sample Size is less than 50, estimates are not precise and should be interpreted with caution.

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

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