Skip to main content

Table 3 Standardized Mortality Ratios (SMRs), Underlying cause of death

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

Underlying Cause of Death

Camp Pendleton (reference)

Camp Lejeune

Obs.

Exp.

SMR (95% CI)

Obs.

Exp.

SMR (95% CI)

All Causes

869

1,084

0.80 (0.75, 0.86)

654

765

0.86 (0.79, 0.92)

All Cancers

257

322

0.80 (0.70, 0.90)

229

237

0.97 (0.84, 1.10)

Diseases of Primary Interest

Kidney Cancer

6

7.27

0.82 (0.30, 1.80)

7

5.40

1.30 (0.52, 2.67)

Bladder Cancer

4

5.78

0.69 (0.19, 1.77)

2

3.76

0.53 (0.06, 1.92)

Liver* Cancer

11

9.84

1.12 (0.56, 2.00)

3

7.23

0.42 (0.09, 1.21)

Esophageal Cancer

8

8.78

0.91 (0.39, 1.80)

4

6.21

0.64 (0.18, 1.65)

Cervical Cancer

0

2.94

0 (0.00, 1.25)

1

2.98

0.34 (0.01, 1.87)

Hematopoietic Cancers

25

28.83

0.87 (0.56, 1.28)

24

20.89

1.15 (0.74, 1.71)

 Hodgkin Lymphoma

0

0.96

0.00 (0.00, 3.86)

1

0.83

1.20 (0.03, 6.69)

 NHL**

8

11.50

0.70 (0.30, 1.37)

5

8.34

0.60 (0.19, 1.40)

 Multiple Myeloma

3

5.81

0.52 (0.11, 1.51)

6

3.99

1.50 (0.55, 3.28)

 Leukemias

14

10.56

1.33 (0.72, 2.22)

12

7.73

1.55 (0.80, 2.71)

Diseases of Secondary Interest

Pancreatic Cancer

22

16.39

1.34 (0.84, 2.03)

12

11.77

1.02 (0.53, 1.78)

Colon Cancer

13

25.32

0.51 (0.27, 0.88)

12

17.61

0.68 (0.35, 1.19)

Rectal Cancer

4

5.07

0.79 (0.22, 2.02)

4

3.76

1.06 (0.29, 2.72)

Soft Tissue Cancers

2

2.10

0.95 (0.12, 3.44)

1

1.75

0.57 (0.01, 3.19)

Brain Cancer

9

7.94

1.13 (0.52, 2.15)

7

6.68

1.05 (0.42, 2.16)

Laryngeal Cancer

1

3.09

0.32 (0.01, 1.80)

4

2.16

1.85 (0.50, 4.74)

Lung*** Cancer

82

101.60

0.81 (0.64, 1.00)

80

73.20

1.09 (0.87, 1.36)

Oral Cancers****

2

6.15

0.33 (0.04, 1.18)

4

4.43

0.90 (0.25, 2.31)

Breast (female) Cancer

14

23.46

0.60 (0.33, 1.00)

21

21.42

0.98 (0.61, 1.50)

Prostate Cancer

12

15.65

0.77 (0.40, 1.34)

10

9.16

1.09 (0.52, 2.01)

Liver Diseases

19

22.64

0.84 (0.50, 1.31)

9

18.85

0.48 (0.22, 0.91)

Kidney Diseases

7

13.98

0.50 (0.22, 1.00)

7

9.00

0.78 (0.34, 1.54)

ALS

4

2.96

1.35 (0.37, 3.46)

1

2.29

0.44 (0.01, 2.44)

Multiple Sclerosis

1

1.92

0.52 (0.01, 2.91)

1

1.89

0.53 (0.01, 2.95)

Parkinson’s Disease

4

4.54

0.88 (0.24, 2.26)

5

2.28

2.19 (0.71, 5.11)

Smoking-related Diseases (not known to be related to solvent exposure)

Stomach Cancer

7

7.88

0.89 (0.36, 1.83)

4

5.50

0.73 (0.20, 1.86)

Cardiovascular Disease†

317

380.45

0.83 (0.75, 0.93)

210

244.37

0.86 (0.75, 0.98)

COPD

47

47.29

0.99 (0.73, 1.32)

40

29.99

1.33 (0.95, 1.82)

  1. *Biliary passages, liver and gall bladder ** Non-Hodgkin Lymphoma.
  2. ***Trachea, bronchus, and lung ****Buccal cavity and Pharynx.
  3. †Includes diseases of the heart and other diseases of the circulatory system.
  4. Camp Lejeune = 4,647; person-years = 123,659.
  5. Camp Pendleton = 4,690; person-years = 123,065.