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Table 1 Socio-economic characteristics of respondents

From: Multi-level predictors of psychological problems among methadone maintenance treatment patients in difference types of settings in Vietnam

Characteristics Private facility State facility Total P-value
  n % n % n %  
Total 195 49.4 200 50.6 395 100  
Age group
 Under 30 29 14.9 19 9.5 48 12.2 0.03*
 30–40 89 45.6 80 40.0 169 42.8  
 41–50 60 30.8 66 33.0 126 31.9  
 Above 50 17 8.7 35 17.5 52 13.2  
Education
 Less than secondary 33 16.9 33 16.5 66 16.7 0.94*
 Secondary school 118 60.5 119 59.5 237 60  
 More than secondary 44 22.6 48 24 92 23.3  
Marital status
 Single 38 19.5 29 14.5 67 17 0.07*
 Live with partners/spouse 150 76.9 154 77 304 77  
 Divorced/widow 7 3.6 17 8.5 24 6.1  
Occupation
 Unemployment 13 6.7 20 10 33 8.4 0.06*
 Freelancer 63 32.3 76 38 139 35.2  
 Blue collar/farmer 45 23.1 47 23.5 92 23.3  
 Business 11 5.6 17 8.5 28 7.1  
 Others 63 32.3 40 20 103 26.1  
Quintile average family income
 Quintile 1 39 20 41 20.5 80 20.3 0.89*
 Quintile 2 37 19 45 22.5 82 20.8  
 Quintile 3 42 21.5 39 19.5 81 20.5  
 Quintile 4 43 22.1 39 19.5 82 20.8  
 Quintile 5 34 17.4 36 18 70 17.7  
Ever injected drugs 121 62.1 131 65.5 252 63.8 0.48*
Alcohol drink 114 58.5 97 48.5 211 53.4 0.05*
Smoke 163 83.6 157 78.5 320 81 0.20*
Concurrent drug use 15 7.7 8 4 23 5.8 0.12*
  Median IQR Median IQR Median IQR  
Age 38 33–44 41 34–48 39 33–46 0.01#
Monthly family income (USD) 344 215–430 301 215–430 344 215–430 0.50#
Age of onset of drug use 25 20–30 25 21–31 25 20–31 0.05#
MMT duration (years) 2 1–5 3 2–6 3 1–5 0.02#
  1. *Chi square test, #Mann-Whitney rank sum test