Skip to main content

Table 1 Demographic and diagnostic categories

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

CategoryAll subjects [% or mean (SD)]Males only [% or mean (SD)]Females only [% or mean (SD)]
ControlsCasesp-valueControlsCasesp-valueControlsCasesp-value
N = 267,400N = 2674N = 126,980N = 2072N = 140,418N = 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]0.008NANANANANANA
Low income8.6 (8.6)8.7 (8.6)0.3338.5 (8.5)8.8 (8.6)0.0758.7 (8.6)8.5 (8.4)0.075
Higher education34.9 [93,323]34.4 [920]0.22334.9[44,316]33.8[700]0.00734.8[48,865]36.7[221]0.007
Age39.3 (21.9)44.9 (19.0)0.00138.4 (21.8)50.4(19.3)0.00140.1(22.0)48.2 (17.6)0.001
Psychiatric comorbidity12.6[33,692]51.1[1366]0.0019.5[12,063]46.3[959]0.00115.5[21,765]67.6[407]0.001
Charlson index0.38 (0.99)0.92 (1.70)0.0010.41(1.05)0.98 (1.81)0.0010.36 (0.93)0.71 (1.28)0.001
Substance use disorder category
Alcohol only0.6[1604]8.3[222]0.0010.8[1016]8.5[176]0.0010.4[562]8.0[48]0.001
Drug only0.4[1070]3.8[102]0.0010.4[508]2.5[52]0.0010.3[421]5.1[31]0.001
Tobacco only5.5[14,707]16.2[433]0.0015.4[6857]15.9[329]0.0015.6[7863]17.3[104]0.001
Alcohol + drug0.1[267]2.9[78]0.0010.2[254]2.8[58]0.0010.1[140]3.4[20]0.001
Alcohol + tobacco0.3[802]5.6[150]0.0010.4[508]5.7[118]0.0010.2[281]5.3[32]0.001
Drug + tobacco0.2[535]2.3[62]0.0010.2[254]1.8[37]0.0010.2[281]4.2[25]0.001
Alcohol + drug + tobacco0.1[267]3.6[96]0.0010.2[254]3.3[68]0.0010.1[140]4.6[28]0.001
  1. Italic signifies p < 0.05