Table 1.
Subject demographics by Mn exposure status.
| Mn exposed workers | Mn unexposed workers | |||||
|---|---|---|---|---|---|---|
| All (n = 20) | Training (n=12) | Validation (n=8) | All (n=17) | Training (n=10) | Validation (n=7) | |
| mean ± SD (range) | mean ± SD (range) | mean ± SD (range) | mean ± SD (range) | mean ± SD (range) | mean ± SD (range) | |
| Age | 41.9 ± 12.8 (21, 66) | 41.8 ± 12.6 (21, 62) | 42.1 ± 12.6 (29, 66) | 48.1 ± 11.3 (27, 60) | 48.3 ± 10.8 (31, 60) | 47.7 ± 10.8 (27, 60) |
| Ethnicity | n (%) | n (%) | n (%) | n (%) | n (%) | n (%) |
| Hispanic | 12 (60.0) | 7 (58.3) | 5 (62.5) | 4 (23.5) | 3 (30.0) | 1 (14.3) |
| Not Hispanic | 8 (40.0) | 5 (41.7) | 3 (37.5) | 13 (76.5) | 7 (70.0) | 6 (85.7) |
| Race | n (%) | n (%) | n (%) | n (%) | n (%) | n (%) |
| White | 15 (75.0) | 9 (75.0) | 6 (75.0) | 15 (88.2) | 9 (90.0) | 6 (85.7) |
| Other | 5 (25.0) | 3 (25.0) | 2 (25.0) | 2 (11.8) | 1 (10.0) | 1 (14.3) |
| Respirator | n (%) | n (%) | n (%) | n (%) | n (%) | n (%) |
| Yes | 12 (60) | 7 (58.3) | 5 (62.5) | 0 (0) | 0 (0) | 0 (0) |
| No | 8 (40) | 5 (41.7) | 3 (37.5) | 17 (100) | 10 (100) | 7 (100) |
| Shift | n (%) | n (%) | n (%) | n (%) | n (%) | n (%) |
| First | 17 (85.0) | 10 (83.3) | 7 (87.5) | 9 (52.9) | 5 (50.0) | 4 (57.1) |
| Second | 3 (15.0) | 2 (16.7) | 1 (12.5) | 8 (47.1) | 5 (50.0) | 3 (42.7) |