^{1} Aged ≥ 18 years

^{2} "Yes" response to "Do you still have asthma?"

^{±} Sample size excludes "DK/Refused"

^{§} Standard error

^{†} Confidence interval

N/A: Estimate not available (N/A) if the unweighted sample size for the denominator was < 50 or if the relative standard error was > 0.30