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Table 2 Sociodemographic characteristics of respondents

From: Behavioral and quality-of-life outcomes in different service models for methadone maintenance treatment in Vietnam

    MMT + VCT + ART + DGH       
  MMT + VCT Rural Urban MMT + RPC All p value
  Mean SD Mean SD Mean SD Mean SD Mean SD  
Age 36.8 7.3 36.8 8.0 36.4 7.9 37.0 7.5 35.8 7.5 0.83
  N % N % N % N % N %  
Sex (male) 266 98.5 151 100.0 206 98.1 380 98.7 1003 98.7 0.44
Educational attainment
 Illiterate 4 1.5 1 0.7 4 1.9 8 2.1 17 1.7 <0.01
 Elementary 21 7.8 29 19.2 27 12.9 42 10.9 119 11.7  
 Secondary 103 38.2 87 57.6 86 41.0 150 39.0 426 41.9  
 High 121 44.8 28 18.5 81 38.6 157 40.8 387 38.1  
 Vocational 12 4.4 5 3.3 7 3.3 8 2.1 32 3.2  
 University 9 3.3 1 0.7 5 2.4 20 5.2 35 3.4  
Marital status
 Single 101 37.4 29 19.2 47 22.4 74 19.2 251 24.7 <0.01
 Live with spouse 148 54.8 116 76.8 147 70.0 274 71.2 685 67.4  
 Live with partner 0 0.0 0 0.0 1 0.5 2 0.5 3 0.3  
 Divorced 19 7.0 6 4.0 15 7.1 32 8.3 72 7.1  
 Widow 2 0.7 0 0.0 0 0.0 3 0.8 5 0.5  
Religion
 Cult of ancestors 247 91.5 96 63.6 198 94.3 355 92.2 896 88.2 <0.01
 Buddhism 13 4.8 16 10.6 10 4.8 20 5.2 59 5.8  
 Catholic 10 3.7 39 25.8 2 1.0 5 1.3 56 5.5  
 Protestant 0 0.0 0 0.0 0 0.0 5 1.3 5 0.5  
Employment
 Unemployed 76 28.2 25 16.6 53 25.2 105 27.3 259 25.5 <0.01
 Self-employed 159 58.9 67 44.4 112 53.3 204 53.0 542 53.4  
 White collars 5 1.9 1 0.7 5 2.4 11 2.9 22 2.2  
 Workers, farmers 10 3.7 54 35.8 18 8.6 18 4.7 100 9.8  
 Students 0 0.0 0 0.0 0 0.0 2 0.5 2 0.2  
 Other jobs 20 7.4 4 2.7 22 10.5 45 11.7 91 9.0