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Table 6 Hazard ratios (95% CI) for categorized (<median (ref.), ≥median) maximum cumulative exposure and coefficients (95% CI) for continuous cumulative exposure (μg/L-year)

From: Mortality study of civilian employees exposed to contaminated drinking water at USMC Base Camp Lejeune: a retrospective cohort study

a. Kidney Cancer (N = 7)
Contaminant ≥ Median Exposure Cumulative Exposure Log10 Cumulative Exposure
Benzene 1.82 (0.34, 9.78) N = 5 0.0240 (−0.0080, 0.0559) p = .14 1.3595 (−0.3324, 3.0515) p = .11
TVOC 4.44 (0.52, 38.19) N = 6 0.0002 (−0.0001, 0.0006) p = .13 1.3626 (−0.4550, 3.1801) p = .14
PCE Inf. N = 7 0.0100 (−0.0019, 0.0219) p = .10 1.4753 (−0.2983, 3.2489) p = .10
TCE Inf. N = 7 0.0004 (−0.0001, 0.0009) p = .12 1.3551 (−0.4666, 3.1768) p = .14
Vinyl Chloride Inf N = 7 0.0063 (−0.0015, 0.0141) p = .11 1.4370 (−0.3327, 3.2066) p = .11
b. Parkinson’s Disease (N = 5)
Contaminant ≥ Median Exposure Cumulative Exposure Log10 Cumulative Exposure
PCE 2.68 (0.22, 33.28) N = 4 0.0199 (0.0005, 0.0393) p = .04 1.9718 (−0.8134, 4.7569) p = .16
TCE 2.51 (0.21, 30.76) N = 4 0.0009 (0.0001, 0.0017) p = .04 2.6244 (−0.7668, 6.0156) p = .13
Vinyl Chloride 2.81 (0.23, 34.11) N = 4 0.0129 (0.0005, 0.0253) p = .04 2.0982 (−0.7936, 4.9900) p = .15
Benzene 2.52 (0.20, 31.59) N = 4 0.0490 (0.0008, 0.0971) p = .05 2.0910 (−0.7578, 4.9398) p = .15
TVOC 2.52 (0.21, 30.83) N = 4 0.0005 (<0.0001, 0.0011) p = .04 2.6729 (−0.7448, 6.0905) p = .12
  1. 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).