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Table 2 Behaviors, health status and health service utilization of respondents

From: Barriers to accessing and using health insurance cards among methadone maintenance treatment patients in northern Vietnam

Characteristic Rural Urban Total p-value
n % n % n %  
EQ-5D-5 L
 Having problems with mobilitya 20 13.3 54 6.2 74 7.3 <0.01
 Having problems with self-careb 9 6 31 3.6 40 3.9 0.17
 Having problems with usual activitiesc 17 11.3 43 5 60 5.9 <0.01
 Pain/Discomfortd 57 37.8 123 14.2 180 17.7 <0.01
 Anxiety/Depressione 65 43.1 145 16.8 210 20.7 <0.01
HIV statusf
 N/A 20 13.3 38 4.4 58 5.7 <0.01
 Negative 124 82.1 752 86.9 876 86.2  
 Positive 7 4.6 75 8.7 82 8.1  
Ever injected drugsg
 No 60 39.7 210 24.3 270 26.6 <0.01
 Yes 91 60.3 655 75.7 746 73.4  
Current drug injectionh
 No 134 88.7 833 96.3 967 95.2 <0.01
 Yes 17 11.3 32 3.7 49 4.8  
No. of drug rehabilitationsi
 0 15 9.9 59 6.8 74 7.3 0.02
 1-5 110 72.9 565 65.3 675 66.4  
  > 5 26 17.2 241 27.9 267 26.3  
Duration of MMT (months) k
  < 6 32 23.5 129 15 161 16.2 <0.01
 6- < 12 54 39.7 131 15.2 185 18.6  
 12- < 24 49 36 306 35.5 355 35.6  
 24- < 36 1 0.7 177 20.6 178 17.9  
  > =36 0 0 118 13.7 118 11.8  
  Mean SD Mean SD Mean SD  
Age at first drug use l 26.6 7.4 24.2 6.6 24.5 6.7 <0.01θ
Years of drug use m 11.2 5.3 13.6 5.9 13.3 5.9 <0.01θ
Years of drug injection n 7.9 3.9 10.5 5 10.2 4.9 0.01θ
No. of drug rehabilitations o 3.4 3 5.1 6.6 4.8 6.3 <0.01θ
Duration of MMT (months) p 9.3 4.9 17.7 11.2 16.5 11 <0.01θ
  1. χ 2; Fishers’ exact test; θMann-whitney test
  2. a Chi-squared test = 9.33, df = 1; b Chi-squared test = 1.92, df = 1; c Chi-squared test = 9.15, df = 1; d Chi-squared test = 48.82, df = 1; e Chi-squared test = 54.16, df = 1; fChi-squared test = 20.59, df = 2; g Chi-squared test = 15.74, df = 1; h Chi-squared test = 16.00, df = 1; i Chi-squared test = 8.35, df = 2; k Fisher’s exact test = 0.00, df = 4; l Mann-Whitney z = 3.89, df = 1009; m Mann-Whitney z = −4.91, df = 1009; n Mann-Whitney z = −4.76, df = 1009; o Mann-Whitney z = −2.46, df = 1009; pMann-Whitney z = −8.46, df = 1009