Calculation A: Number of regular clients who are Indigenous, aged 15 years and over and whose smoking status has been recorded as "current smoker".
Calculation B: Number of regular clients who are Indigenous, aged 15 years and over and whose smoking status has been recorded as a "ex-smoker".
Calculation C: Number of regular clients who are Indigenous, aged 15 years and over and whose smoking status has been recorded as a "never smoked".