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Table 2 Risk of suicide by substance use disorder category, whole sample

From: Substance use disorders and risk of suicide in a general US population: a case control study

Substance use disorder category

Odds ratioa

Adjusted odds (adjusted for age, gender, poverty level, education, Charlson index, psychiatric diagnoses)

OR

CIb

p-value

aOR

CI

p-value

Alcohol only

15.5

13.1, 18.4

0.001

5.8

4.7, 7.1

0.001

Drug only

11.3

8.8, 14.4

0.001

5.3

3.9, 7.0

0.001

Tobacco only

3.5

3.1, 4.0

0.001

2.0

1.7, 2.3

0.001

Alcohol + drug

21.8

16.2, 29.3

0.001

8.1

5.7, 11.5

0.001

Alcohol + tobacco

19.5

15.8, 24.2

0.001

6.1

4.8, 7.9

0.001

Drug + tobacco

14.1

10.2, 19.6

0.001

5.0

3.4, 7.4

0.001

Alcohol + drug + tobacco

30.7

23.3, 40.6

0.001

11.2

8.0, 15.6

0.001

  1. aAll conditional logistic regression models are conditional on site
  2. bCI denotes 95% confidence interval