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Table 1 Characteristics of HIV-positive (HIV+) PWIDs stratified by 90, 180, and 365 days of MMT adherence

From: Adherence among HIV-positive injection drug users undergoing methadone treatment in Taiwan

Characteristics Baseline a
n = 961
90 days (n = 951; 98.9%) pb 180 days (n = 936; 97.4%) pb 365 days (n = 919; 95.6%) pb
Low
n = 298
Moderate
n = 382
High
n = 271
Low
n = 397
Moderate
n = 350
High
n = 189
Low
n = 516
Moderate
n = 271
High
n = 132
Age, mean (sd) 37.40 (8.34) 36.60 (7.72) 37.09 (8.39) 38.76 (8.75) .005c 36.66 (7.96) 37.35 (8.13) 38.97 (9.10) .007d 36.78 (7.89) 37.37 (8.45) 39.42 (9.25) .005e
Gender, n(%)      .098     .663     .663
 Female 137 53 (39) 49 (36) 33 (24)   59 (44) 51 (38) 23 (17)   74 (56) 42 (32) 16 (12)  
 Male 824 245 (30) 333 (41) 238 (29)   338 (42) 299 (37) 166 (21)   442 (56) 229 (29) 116 (15)  
Education level, n(%)      .012     .003     .034
  < 9 years 679 230 (34) 264 (39) 180 (27)   304 (46) 236 (36) 122 (19)   376 (58) 193 (30) 81 (13)  
  > =9 years 282 68 (25) 118 (43) 91 (33)   93 (34) 114 (42) 67 (25)   140 (52) 78 (29) 51 (19)  
Marital status, n(%)      .524     .091     .041
 Married 111 35 (32) 46 (42) 28 (26)   44 (41) 37 (35) 26 (24)   50 (47) 33 (31) 23 (22)  
 Married but separated 61 21 (34) 27 (44) 13 (21)   33 (55) 19 (32) 8 (13)   38 (64) 16 (27) 5 (9)  
 Single 510 167 (33) 196 (39) 143 (28)   215 (43) 194 (39) 88 (18)   290 (60) 133 (27) 62 (13)  
 Divorced 279 75 (27) 113 (41) 87 (32)   105 (39) 100 (37) 67 (25)   138 (51) 89 (33) 42 (16)  
Employment status, n(%)      .006     .004     .013
 Not employed 568 194 (35) 228 (41) 141 (25)   249 (45) 214 (39) 92 (17)   324 (60) 155 (29) 65 (12)  
 Employed 393 104 (27) 154 (40) 130 (34)   148 (39) 136 (36) 97 (26)   192 (51) 116 (31) 67 (18)  
Case management city, n(%)      <.001     <.001     <.001
 Taipei metro area 315 71 (23) 134 (43) 109 (35)   100 (33) 120 (39) 88 (29)   139 (46) 96 (32) 68 (22)  
 Kaohsiung metro area 330 108 (33) 123 (38) 95 (29)   145 (45) 120 (37) 56 (17)   188 (60) 97 (31) 28 (9)  
 Taiwan County 316 119 (38) 125 (40) 67 (22)   152 (50) 110 (36) 45 (15)   189 (62) 78 (26) 36 (12)  
MMT mean dosage, n(%)      <.001     <.001     <.001
  < 60 mg 512 274 (35) 302 (39) 198 (26)   346 (47) 263 (36) 132 (18)   421 (60) 197 (28) 90 (13)  
  > =60 mg 107 24 (14) 80 (45) 73 (41)   51 (26) 87 (45) 57 (29)   95 (45) 74 (35) 42 (20)  
HIV+ diagnosed & in MMT, n(%)      .073     .042     .002
 HIV+ before MMT > = 180 days 437 126 (27) 195 (42) 141 (31)   169 (37) 183 (41) 100 (22)   218 (50) 129 (34) 69 (16)  
 HIV+ before MMT < 180 days 175 56 (32) 71 (40) 50 (28)   81 (46) 58 (33) 36 (21)   112 (64) 36 (21) 27 (15)  
 HIV+ after MMT 312/309/307 116 (37) 116 (37) 80 (26)   147 (48) 109 (35) 53 (17)   186 (61) 85 (28) 36 (12)  
  1. aBaseline MMT mean dosage calculated from the first 30 days
  2. bp value for difference between low, moderate, and high groups
  3. cPost hoc comparison: high > low, moderate > low by Dunnett’s T3 method
  4. dPost hoc comparison: high > low by Dunnett’s T3 method
  5. ePost hoc comparison: high > low by Dunnett’s T3 method