and hospital admissions in three eastern Australian cities from 1994 to 2007. Methods
Smoke events were defined as days on which bushfire smoke caused the 24‐hour citywide
average concentration of airborne particles to exceed the 99 th percentile of the daily
distribution for the study period. We used a time‐stratified case‐crossover design to assess
the association between smoke events and hospital admissions. Odds ratios (OR) and 95 …