Table 1. Demographics of 279 Subjects with Asbestos Exposure from Asbestos Mines.
| Environmental Asbestos Exposure (n = 98) | Occupational Asbestos Exposure (n = 181) | P | |
|---|---|---|---|
| Gender (M:F) | 55:43 | 124:57 | 0.039* |
| Age | 0.036* | ||
| Range | 42-88 years | 48-92 years | |
| Mean ± standard deviation | 69.7 ± 9.5 years† | 72.3 ± 8.2 years | |
| Asbestos exposure | |||
| Environmental | |||
| Exposure duration | |||
| Range | 3-80 years | 6-87 years‡ | |
| Mean ± standard deviation | 47.3 ± 21.8 years | 50.0 ± 18.9 years | 0.404 |
| Near an asbestos mine | 89 (90.8%) | 166 (91.7%) | 0.080 |
| Near a factory manufacturing asbestos products | 4 (4.0%) | 13 (7.2%) | |
| Near a train station transporting asbestos | 5 (5.1%) | 2 (1.1%) | |
| Occupational | |||
| Exposure duration | |||
| Range | 0.1-32 years | ||
| Mean ± standard deviation | 8.4 ± 7.0 years | ||
| Mining (asbestos) | 133 (73.5) | ||
| Asbestos-related products manufacturing | 35 (19.3) | ||
| Construction worker | 17 (4.4) | ||
| Transportation and unloader | 18 (2.2) | ||
| Other (agriculture near asbestos mine) | 1 (0.6) |
*p value between environmental and occupational asbestos exposure groups, †Mean ± SD, ‡All asbestos-exposed workers also lived in close proximity to asbestos mines. SD = standard deviation