Table 1 Characteristics of the participants
|  | All (%) | Adherence (%) n = 426(81.8) | Non-adherence (%) n = 95(18.2) | χ2 |
|---|---|---|---|---|
Demographic characteristics | ||||
 Sex | ||||
  Male | 369 (70.8) | 309 (72.5) | 60 (63.2) | 3.306 |
  Female | 152 (29.2) | 117 (27.5) | 35 (36.8) |  |
 Age (years) | ||||
  50–64 | 292 (56.0) | 241 (56.6) | 51 (53.7) | 0.263 |
  ≥ 65 | 229 (43.0) | 185 (43.4) | 44 (46.3) |  |
 Place of resident | ||||
  Rural | 403 (77.4) | 327 (76.8) | 76 (80.0) | 0.465 |
  Urban | 108 (22.6) | 99 (23.2) | 19 (20.0) |  |
 Marital status | ||||
  Single | 28 (5.4) | 23 (5.4) | 5 (5.3) | 0.012 |
  Married | 343 (65.8) | 280 (65.7) | 63 (66.3) |  |
  Divorced/Widowed | 150 (28.8) | 123 (28.9) | 27 (28.4) |  |
 Income per month (yuan) | ||||
  None | 39 (7.5) | 32 (7.5) | 7 (7.4) | 2.788 |
  < 2000 | 360 (68.7) | 288 (67.8) | 72 (75.8) |  |
  ≥ 2000 | 121 (23.3) | 105 (24.7) | 16 (16.8) |  |
HIV-specific information | ||||
 Having an HIV-infected spouse | ||||
  Yes | 201 (41.2) | 156 (39.1) | 45 (50.6) | 3.948* |
  No | 287 (58.8) | 243 (60.9) | 44 (49.4) |  |
 Duration on antiretroviral therapy (years) | ||||
  ≤ 2 | 342 (65.6) | 277 (65.0) | 65 (68.4) | 0.398 |
  > 2 | 179 (34.4) | 149 (35.0) | 30 (31.6) |  |
 Years since HIV diagnosis | ||||
  < 1 | 152 (29.2) | 128 (30.0) | 24 (25.3) | 1.085 |
  1–3 | 204 (39.2) | 163 (38.3) | 41 (43.2) |  |
  > 3 | 165 (31.7) | 135 (31.7) | 30 (31.6) |  |
 Comorbidities other than HIV | ||||
  Yes | 437 (83.9) | 354 (83.1) | 83 (87.4) | 1.047 |
  No | 84 (16.1) | 72 (16.9) | 12 (12.6) |  |
 Daily medication frequency | ||||
  1 time | 423 (81.2) | 359 (84.3) | 64 (67.4) | 14.534* |
  2 times | 98 (18.8) | 67 (15.7) | 31 (32.6) |  |