Table 1.
Participant characteristics for the benzene study and the trichloroethylene (TCE) study.
| Benzene Study | TCE Study | ||||
|---|---|---|---|---|---|
| Controls | Exposed | Controls | Exposed | ||
| Subject Demographics | (n=48) | (n=50) | (n=68) | >0.005 to <10 ppm (n=25) | ≥10 ppm (n =35) |
| Age, mean (SD) | 31.2 (8.3) | 29.1 (7.34) | 27.9 (7.1) | 24.1 (5.1) | 27.3 (7.7) |
| Body mass index, mean (SD) | 22.8 (4.6) | 22.1 (3.29) | 21.3 (2.7) | 21.1 (2.1) | 21.8 (3.1) |
| Sex, n (%) | |||||
| Female | 32 (67%) | 28 (56%) | 54 (79%) | 15 (60%) | 27 (77%) |
| Male | 16 (33%) | 22 (44%) | 14 (21%) | 10 (40%) | 8 (23%) |
| Current smoker, n (%) | |||||
| Yes | 11 (23%) | 9 (18%) | 27 (40%) | 10 (40%) | 13 (38%) |
| No | 37 (77%) | 41 (82%) | 41 (60%) | 15 (60%) | 22 (62%) |
| Recently infected, n(%) | |||||
| Yes | 5 (8%) | 4 (8%) | 17(25%) | 4(16%) | 6 (17%) |
| No | 43(92%) | 46 (92%) | 51 (75%) | 21 (84%) | 29 (83%) |
| Drinks alcohol, n (%) | |||||
| Yes | 16 (33%) | 19 (38%) | 26 (41%) | 7 (28%) | 14 (40%) |
| No | 32 (67%) | 31 (62%) | 42 (59%) | 18 (72%) | 21 (60%) |
| Exposure (ppm) | Benzene Exposure | TCE Exposure | |||
| mean (SD) | <0.035 (LOD) | 6.02 (12.91) | <0.0047 (0) | 4.22 (2.56) | 38.7 (47.07) |
| range | --- | (0.20, 72.87) | (0.0045, 0.0046) | (0.4451, 9.300) | (10.35, 228.92) |