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Table 2 The comparison between anxiety group and non-anxiety group

From: Effects of treatment status and life quality on anxiety in MMT patients

  Anxiety group (n=54) Non-anxiety group (n=123) p-value
Gender (males/females) 45(83.3%)/9(16.7%) 110(89.4%)/13(10.6%) 0.26
Age 51.0±5.1 52.2±5.9 0.20
Years of education
 ≤9 40(74.1%) 91(74.0%) 0.63
 10–12 14(25.9%) 30(24.4%)  
 ≥13 2(1.6%)  
Marital status (single/married) 30(55.6%)/24(44.4%) 68(55.3%)/55(44.7%) 0.97
Living situation (alone/with partners) 21(38.9%)/33(61.1%) 36(29.3%)/87(70.7%) 0.23
Drinking status (yes/no) 16(29.6%)/38(70.4%) 42(34.1%)/81(65.9%) 0.56
Smoking status (yes/no) 54(100.0%)/− 120(97.6%)/3(2.7%) 0.25
Cumulative duration of heroin use (month) 253.9±76.3 264.7±85.3 0.43
Cumulative duration of MMT (month) 113.4±53.1 95.4±63.4 0.07
Current methadone therapeutic dose (mg) 42.7±19.2 34.9±22.9 0.03*
MMT Interruption (yes/no) 30(55.6%)/24(44.4%) 42(34.1%)/81(65.9%) 0.008**
QOL-DA total score 143.13±22.3 172.46±13.52 <0.01**
  1. Data are the amount of cases (percentage). Data about age, cumulative duration of heroin use, cumulative duration of MMT, current methadone dose and QOL-DA score score are the mean±standard deviation
  2. T-test, Chi-square test and Fisher’s exact test were used to detect the differences of variables between two durations of anxiety: no anxiety and anxiety.
  3. * p<0.05
  4. **p<0.01