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Table 1 The sociodemographic and substance-related characteristics and psychiatric diagnoses of the sample

From: Comparison of socio-demographic characteristics, substance, and depression among male heroin users attending therapeutic community and methadone maintenance treatment program in Nantou, Taiwan

  MMT   TC   
Continuous Variables Mean ±SD Mean ±SD t p-value
Age (years) 36.9 7.6 35.9 6.6 1.5 0.137
Education (years) 9.8 1.9 10.4 2.3 −2.9 0.004
Life events in recent one yearb 1.9 2.3 1.7 1.8 0.8 0.415
Substance criminal convictionsb 2.4 1.6 2.4 2.4 −0.4 0.695
Nonsubstance criminal convictionsb 1.3 1.4 1.2 1.4 0.7 0.495
Family APGAR[Ch] score 5.4 4.3 6.2 3.7 −2.3 0.023
Onset age of heroin use (years) 26.1 6.5 23.9 5.9 3.8 <0.001
Length of Heroin use (years) 10.8 6.0 12.1 6.2 −2.3 0.021
SDS[Ch] total score 7.0 2.7 7.2 3.1 −0.5 0.602
Dose of heroin (half qian/day)a 6.1 5.9 7.6 7.2 −2.2 0.031
CAGE total score 1.3 1.4 1.5 1.4 −1.4 0.155
  MMT   TC    
Categorical Variables n % n % χ 2 p-value
Married 136 24.6 % 21 13.8 % 8.3 0.016
Single 275 49.7 % 83 54.6 %   
Divorced, separated, or widowed 142 25.7 % 48 31.6 %   
Employed Yes 308 55.7 % 69 45.7 % 4.8 0.029
  No 245 44.3 % 82 54.3 %   
Route of Heroin administration Inhalation 138 25.0 % 36 24.2 % 0.1 0.825
  Injection 413 75.0 % 113 75.8 %   
Needle sharing Yes 59 10.7 % 9 6.0 % 3.1 0.081
  No 492 89.3 % 142 94.0 %   
Major depressive disorder (1-month) Yes 178 32.2 % 34 22.4 % 5.5 0.019
  No 375 67.8 % 118 77.6 %   
Dysthymic disorder (lifetime) Yes 40 7.2 % 9 5.9 % 0.3 0.573
  No 513 92.8 % 143 94.1 %   
Suicide attempt (lifetime) Yes 147 26.6 % 37 24.3 % 1.9 0.588
  No 406 73.4 % 115 75.7 %   
  1. aHalf Qian = 1.875 g (number of half Qians of heroin used per day)
  2. bMann–Whitney U test