Sensitivity analyses presenting adjusted OR per 100 μg/m3 increase in PM2.5 in 6 h prior
| n | Adjusted OR* | 95% CI | |
|---|---|---|---|
| Original model | 2356 | 1.03 | 1.00 to 1.05 |
| Additional covariates | |||
| Working, respirator use | 2356 | 1.03 | 1.00 to 1.05 |
| Heart rate | 2356 | 1.03 | 1.00 to 1.05 |
| Restrictions | |||
| Excluding high VE responders | 2199 | 1.03 | 1.00 to 1.05 |
| Excluding cardiac compromised | 1950 | 1.02 | 1.00 to 1.04 |
| Excluding constant and non-responders | 2074 | 1.02 | 1.00 to 1.04 |
| First participation time only | 734 | 1.02 | 0.99 to 1.05 |
*Estimates the odds of having one or more VE in an hour period for 100 µg/m3 increase in PM2.5 after adjusting for age, time of day, season and worksite.
PM2.5, particulate matter ≤2.5 µm aerodynamic diameter; VE, ventricular event.