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Table 1 Demographic and diagnostic categories

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

Category

All subjects [% or mean (SD)]

Males only [% or mean (SD)]

Females only [% or mean (SD)]

Controls

Cases

p-value

Controls

Cases

p-value

Controls

Cases

p-value

N = 267,400

N = 2674

N = 126,980

N = 2072

N = 140,418

N = 602

% [N] or mean (SD)

% [N] or mean (SD)

% [N] or mean (SD)

% [N] or mean (SD)

% [N] or mean (SD)

% [N] or mean (SD)

Male (ref. female)

47.5[127,015]

77.5[2072]

0.008

NA

NA

NA

NA

NA

NA

Low income

8.6 (8.6)

8.7 (8.6)

0.333

8.5 (8.5)

8.8 (8.6)

0.075

8.7 (8.6)

8.5 (8.4)

0.075

Higher education

34.9 [93,323]

34.4 [920]

0.223

34.9[44,316]

33.8[700]

0.007

34.8[48,865]

36.7[221]

0.007

Age

39.3 (21.9)

44.9 (19.0)

0.001

38.4 (21.8)

50.4(19.3)

0.001

40.1(22.0)

48.2 (17.6)

0.001

Psychiatric comorbidity

12.6[33,692]

51.1[1366]

0.001

9.5[12,063]

46.3[959]

0.001

15.5[21,765]

67.6[407]

0.001

Charlson index

0.38 (0.99)

0.92 (1.70)

0.001

0.41(1.05)

0.98 (1.81)

0.001

0.36 (0.93)

0.71 (1.28)

0.001

Substance use disorder category

Alcohol only

0.6[1604]

8.3[222]

0.001

0.8[1016]

8.5[176]

0.001

0.4[562]

8.0[48]

0.001

Drug only

0.4[1070]

3.8[102]

0.001

0.4[508]

2.5[52]

0.001

0.3[421]

5.1[31]

0.001

Tobacco only

5.5[14,707]

16.2[433]

0.001

5.4[6857]

15.9[329]

0.001

5.6[7863]

17.3[104]

0.001

Alcohol + drug

0.1[267]

2.9[78]

0.001

0.2[254]

2.8[58]

0.001

0.1[140]

3.4[20]

0.001

Alcohol + tobacco

0.3[802]

5.6[150]

0.001

0.4[508]

5.7[118]

0.001

0.2[281]

5.3[32]

0.001

Drug + tobacco

0.2[535]

2.3[62]

0.001

0.2[254]

1.8[37]

0.001

0.2[281]

4.2[25]

0.001

Alcohol + drug + tobacco

0.1[267]

3.6[96]

0.001

0.2[254]

3.3[68]

0.001

0.1[140]

4.6[28]

0.001

  1. Italic signifies p < 0.05