Table 1.
Demographic characteristics and TCE exposure level.
| TCE Exposed |
||||
|---|---|---|---|---|
| Subjects | Controls (n = 73) | Total (n = 67) | < 10 ppm (n = 30) | 10 ppm (n = 37) |
| Demographic characteristics | ||||
| Age, mean (SD) | 27.3 (7.3) | 25.5 (6.8) | 23.8 (5.0) | 26.8 (7.7) |
| Body mass index, mean (SD) | 21.3 (2.7) | 21.6 (2.7) | 21.3 (2.2) | 21.8 (3.1) |
| Sex, n (%) | ||||
| Female | 15 (21) | 24 (36) | 15 (50) | 9 (24) |
| Male | 58 (79) | 43 (64) | 15 (50) | 28 (86) |
| Current smoker, n (%) | ||||
| Yes | 30 (41) | 24 (36) | 10 (33) | 14 (38) |
| No | 43 (59) | 43 (64) | 20 (67) | 23 (62) |
| TCE exposure | ||||
| TCE air level (ppm)*, mean (SD) | < 0.005 | 22.5 (38.6) | 4.18 (2.5) | 37.4 (47.1) |
* TCE air level is the mean (±SD) of an average of two measurements per subject collected during the month before phlebotomy.