Table 1 Characteristics of the 63 white male trucking industry workers
From: Gene expression network analyses in response to air pollution exposures in the trucking industry
| Â | Total |
|---|---|
Total no. | 63 |
Age (years, mean ± SD) | 50.5 ± 8.4 |
Past smoker (no. (%)) | 33 (52.4) |
Primary job title (no.(%)) | |
 Pick-up and Delivery Driver | 29 (46.0) |
 Dockworker | 12 (19.1) |
 Officeworker | 15 (23.8) |
 Combination Workersa | 7 (11.1) |
Workweek average exposure (μg/m3, mean ± SD) | |
 PM2.5 | 11.5 ± 5.1 |
 EC | 0.6 ± 0.4 |
 OC | 8.8 ± 3.0 |