Table 5.
Hazard ratios (95% CI) for tertiles of maximum cumulative exposure and coefficients (95% CI) for continuous cumulative exposure (μg/L-year)
a. Leukemias (N = 12) | ||||
Contaminant |
Medium Exposure |
High Exposure |
Cumulative Exposure |
Log10 Cumulative Exposure |
PCE |
1.00 (0.14, 7.39) N = 2 |
1.82 (0.36, 9.32) N = 8 |
0.0010 (−0.0080, 0.0101) p = .82 |
−0.0498 (−0.7053, 0.6056) p = .88 |
TCE |
0.94 (0.13, 6.97) N = 2 |
1.65 (0.32, 8.49) N = 8 |
<0.00001 (−0.0004, 0.0004) p = .84 |
−0.1712 (−0.6390, 0.2966) p = .47 |
Vinyl Chloride |
1.01 (0.14, 7.45) N = 2 |
1.72 (0.33, 8.83) N = 8 |
0.0008 (−0.0051, 0.0067) p = .80 |
−0.0982 (−0.7363, 0.5398) p = .76 |
Benzene |
0.36 (0.04, 3.52) N = 1 |
1.25 (0.31, 5.10) N = 8 |
0.0043 (−0.0206, 0.0292) p = .73 |
−0.1221 (−0.9360, 0.6918) p = .77 |
TVOC |
0.94 (0.13, 6.97) N = 2 |
1.68 (0.33, 8.67) N = 8 |
<0.00001 (−0.0002, 0.0003) p = .83 |
−0.2334 (−0.7150, 0.2483) p = .34 |
b. Prostate Cancer (N = 10) | ||||
Contaminant |
Medium Exposure |
High Exposure |
Cumulative Exposure |
Log10 Cumulative Exposure |
PCE |
3.46 (0.38, 31.65) N = 4 |
2.08 (0.23, 18.91) N = 5 |
0.0039 (−0.0059, 0.0137) p = .44 |
0.3618 (−0.4945, 1.2181) p = .41 |
TCE |
2.55 (0.26, 25.15) N = 3 |
2.39 (0.27, 21.14) N = 6 |
0.0002 (−0.0002, 0.0006) p = .37 |
0.4394 (−0.4270, 1.3058) p = .32 |
Vinyl Chloride |
3.54 (0.39, 32.37) N = 4 |
2.00 (0.22, 18.21) N = 5 |
0.0023 (−0.0042, 0.0088) p = .49 |
0.3317 (−0.5040, 1.1674) p = .44 |
Benzene |
1.60 (0.26, 9.79) N = 3 |
1.13 (0.21, 6.19) N = 5 |
0.0083 (−0.0188, 0.0354) p = .55 |
0.2962 (−0.6663, 1.2587) p = .55 |
TVOC | 2.65 (0.27, 26.15) N = 3 | 2.47 (0.28, 21.82) N = 6 | 0.0001 (−0.0001, 0.0003) p = .39 | 0.4298 (−0.4438, 1.3034) p = .33 |
Exposure lagged 10 years. Adjusted by sex, race, occupation (blue collar vs white collar) and education. Selected causes of death. Camp Lejeune cohort (N = 4,647). Reference group consists of Camp Lejeune civilian employees in the lowest tertile level of maximum cumulative exposure.