2020 Adult Asthma Data: Prevalence Tables and Maps

Table R1
Ratio of Adulta Currentb to Lifetimec Asthma
by State or Territory: BRFSS 2020
State Sample Sized Ratio Standard Error 95% CIe
U.S. Totalf 391,925 0.68 0.005 (0.67–0.69)
AL 5,307 0.64 0.024 (0.59–0.68)
AK 3,643 0.65 0.037 (0.58–0.73)
AZ 10,215 0.68 0.018 (0.64–0.71)
AR 5,209 0.75 0.025 (0.70–0.80)
CA 4,763 0.63 0.025 (0.58–0.68)
CO 10,094 0.71 0.015 (0.68–0.74)
CT 8,910 0.71 0.020 (0.68–0.75)
DE 4,005 0.76 0.025 (0.71–0.81)
DC 3,396 0.68 0.030 (0.62–0.74)
FL 11,729 0.64 0.025 (0.59–0.69)
GA 9,022 0.69 0.024 (0.65–0.74)
HI 7,725 0.62 0.020 (0.58–0.66)
ID 5,928 0.75 0.023 (0.70–0.79)
IL 3,673 0.70 0.028 (0.65–0.76)
IN 8,423 0.71 0.017 (0.67–0.74)
IA 9,580 0.78 0.015 (0.75–0.81)
KS 10,432 0.71 0.017 (0.68–0.75)
KY 3,898 0.74 0.024 (0.69–0.78)
LA 4,710 0.58 0.027 (0.52–0.63)
ME 10,919 0.74 0.019 (0.70–0.77)
MD 14,204 0.69 0.016 (0.66–0.73)
MA 7,109 0.71 0.019 (0.67–0.74)
MI 7,204 0.73 0.018 (0.70–0.77)
MN 15,752 0.72 0.013 (0.69–0.74)
MS 6,450 0.63 0.022 (0.59–0.68)
MO 9,136 0.71 0.018 (0.68–0.75)
MT 6,278 0.72 0.019 (0.68–0.76)
NE 14,733 0.74 0.017 (0.71–0.78)
NV 2,466 0.73 0.033 (0.66–0.79)
NH 6,395 0.76 0.019 (0.72–0.80)
NJ 11,287 0.71 0.016 (0.68–0.74)
NM 6,962 0.72 0.025 (0.67–0.77)
NY 14,663 0.71 0.015 (0.68–0.74)
NC 5,816 0.64 0.022 (0.59–0.68)
ND 4,437 0.74 0.031 (0.68–0.80)
OH 14,541 0.71 0.016 (0.68–0.74)
OK 4,998 0.73 0.021 (0.69–0.77)
OR 5,382 0.70 0.019 (0.66–0.73)
PA 5,500 0.69 0.021 (0.65–0.74)
RI 5,340 0.78 0.022 (0.74–0.82)
SC 3,995 0.68 0.026 (0.63–0.73)
SD 6,888 0.76 0.035 (0.70–0.83)
TN 4,615 0.68 0.025 (0.63–0.72)
TX 10,949 0.63 0.027 (0.57–0.68)
UT 10,810 0.69 0.015 (0.66–0.72)
VT 6,490 0.73 0.022 (0.69–0.78)
VA 9,465 0.66 0.019 (0.62–0.69)
WA 12,809 0.66 0.014 (0.63–0.69)
WV 5,829 0.76 0.020 (0.72–0.80)
WI 5,072 0.75 0.026 (0.70–0.80)
WY 4,769 0.69 0.028 (0.64–0.75)
Territories
GU 2,170 0.51 0.063 (0.39–0.64)
PR 4,936 0.63 0.024 (0.58–0.68)

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; Ratio represents the proportion
bCurrent asthma question: Do you still have asthma?
cLifetime quesion: Has a doctor, nurse, or other health professional EVER told you that you had asthma?
dUnweighted number of respondents who answered the lifetime asthma question
eCI denotes confidence interval
fU.S. Total includes 50 states plus the District of Columbia and excludes the territories.

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

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