1 Reported any of the following during the past year: asthma medication use, asthma symptoms, or MD visits for asthma
2 Reported none of the following during the past year: asthma medication use, asthma symptoms, or MD visits for asthma
3 Aged ≥ 18 years
± Sample size excludes "DK/Refused"
§ Standard error
† Confidence interval