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Table 3 Lifetime Criteria of Drug Use Disorder Following Early Life Exposure to Tetrachloroethylene-contaminated Drinking Water

From: Drug use disorder following early life exposure to tetrachloroethylene (PCE)-contaminated drinking water: a retrospective cohort study

Outcome

Exposure Level

% Yes (n/N)

Crude

Adjusted*

   

RR (95% CI)

GEE RR (95% CI)

Any (> = 1) Criteria

Any

26.2 (95/363)

1.4 (1.0,1.8)

1.4 (1.0,1.8)

> = median

23.6 (43/182)

1.2 (0.9,1.8)

1.2 (0.8,1.7)

> 0- < median

28.7 (52/181)

1.5 (1.1,2.1)

1.5 (1.1,2.2)

None

19.2 (49/255)

Reference

Reference

Number of Criteria

One Criterion

Any

12.4 (38/306)

1.6 (0.9,2.8)

1.6 (0.9,2.8)

> = median

11.5 (18/157)

1.5 (0.8,2.8)

1.5 (0.8,2.7)

> 0- < median

13.4 (20/149)

1.8 (1.0,3.2)

1.8 (1.0,3.4)

None

7.6 (17/223)

Reference

Reference

Two or More Criteria

Any

17.7 (57/325)

1.3 (0.9, 1.9)

1.3 (0.9,2.0)

> = median

15.2 (25/164)

1.1 (0.7,1.8)

1.1 (0.7,1.8)

> 0- < median

19.9 (32/161)

1.5 (0.9,2.3)

1.5 (0.9,2.4)

None

13.4 (32/238)

Reference

Reference

Two to Three Criteria

Any

6.9 (20/288)

1.2 (0.6,2.3)

0.9 (0.5,1.9)

> = median

7.3 (11/150)

1.2 (0.6,2.7)

0.9 (0.4,2.0)

> 0- < median

6.5 (9/138)

1.1 (0.5,2.5)

1.0 (0.4,2.2)

None

5.9 (13/219)

Reference

Reference

Four to Five Criteria

Any

4.3 (12/280)

1.5 (0.6,4.0)

1.9 (0.7,5.1)

> = median

2.8 (4/143)

1.0 (0.3,3.4)

1.4 (0.4,4.6)

> 0- < median

5.8 (8/137)

2.1 (0.7,5.8)

2.3 (0.8,6.9)

None

2.8 (6/212)

Reference

Reference

Six or More Criteria

Any

8.5 (25/293)

1.4 (0.8,2.7)

1.5 (0.8,3.0)

> = median

6.7 (10/149)

1.1 (0.5,2.5)

1.2 (0.5,2.8)

> 0- < median

10.4 (15/144)

1.8 (0.9,3.6)

1.9 (0.9,4.0)

None

5.9 (13/219)

Reference

Reference

  1. *Adjusted for subject’s age, father’s occupation, mother’s educational level