Table 1 Baseline characteristics of all participants and by follow up status
Variables | All participants (n = 400) | Participants who completed follow-up surveys (n = 300) | Participants who did not complete follow-up surveys (n = 100) | P |
|---|---|---|---|---|
n (%) | n (%) | n (%) | ||
Background characteristics | ||||
 Age (years) (\(\overline{x} \pm {\text{s}}\)) | 32.62 ± 9.72 | 31.88 ± 9.03 | 34.78 ± 11.33 | 0.010 |
  18– | 82 (20.4) | 65 (21.7) | 17 (17.0) | 0.020 |
  25– | 171 (42.8) | 133 (44.3) | 38 (38.0) |  |
  35– | 92 (23.0) | 70 (23.3) | 22 (22.0) |  |
  45– | 55 (13.8) | 32 (10.7) | 23 (23.0) |  |
 Sex | 0.105 | |||
  Female | 31 (7.8) | 19 (6.3) | 12 (12.0) |  |
  Male | 369 (92.2) | 281 (93.7) | 88 (88.0) |  |
 Education | 0.082 | |||
  Primary school and below | 133 (33.2) | 91 (30.3) | 42 (42.0) |  |
  Junior or senior high | 102 (25.6) | 82 (27.4) | 20 (20.0) |  |
  College and above | 165 (41.2) | 127 (42.3) | 38 (38.0) |  |
 Current marital status | 0.757 | |||
  Married or cohabiting with a partner | 136 (34.0) | 104 (34.7) | 32 (32.0) |  |
  Single | 223 (55.8) | 167 (55.6) | 56 (56.0) |  |
  Other | 41 (10.2) | 29 (9.7) | 12 (12.0) |  |
 Monthly personal income in RMB (USD) | 0.005 | |||
  No fixed income | 79 (19.8) | 50 (16.7) | 29 (29.0) |  |
  < 3000 (< 433 USD) | 97 (24.2) | 70 (23.3) | 27 (27.0) |  |
  3000-(433-USD) | 127 (31.8) | 108 (36.0) | 19 (19.0) |  |
  5000-(722-USD) | 97 (24.2) | 72 (24.0) | 25 (25.0) |  |
 Employment status | 0.814 | |||
  Full-time | 238 (59.5) | 177 (59.0) | 61 (61.0) |  |
  Part-time/unemployed/retired/student | 162 (40.5) | 123 (41.0) | 39 (39.0) |  |
 City of permanent residence | 0.627 | |||
  Guangzhou | 89 (22.3) | 69 (23.0) | 20 (20.0) |  |
  Other cities | 311 (77.7) | 231 (77.0) | 80 (80.0) |  |
HIV/AIDS-related characteristics | ||||
 Presence of AIDS-related symptoms | 0.343 | |||
  No | 246 (61.5) | 189 (63.0) | 57 (57.0) |  |
  Yes | 154 (38.5) | 111 (37.0) | 43 (43.0) |  |
 CD4 cell count (cell/mm3) | 0.304 | |||
  < 200 | 112 (28.0) | 78 (26.0) | 34 (34.0) |  |
  200– | 173 (43.2) | 135 (45.0) | 38 (38.0) |  |
  350– | 75 (18.8) | 59 (19.7) | 16 (16.0) |  |
  500– | 40 (10.0) | 28 (9.3) | 12 (12.0) |  |
 Route of HIV transmission | 0.013 | |||
  Sexual behavior with same-sex partner | 236 (59.0) | 191 (63.7) | 45 (45.0) |  |
  Sexual behavior with opposite-sex partner | 89 (22.2) | 59 (19.7) | 30 (30.0) |  |
  Other routesa | 21 (5.2) | 14 (4.6) | 7 (7.0) |  |
  Not sure | 54 (13.6) | 36 (12.0) | 18 (18.0) |  |
 ART regimen | 0.431 | |||
  Tenofovir, lamivudine, and efavirenz | 336 (84.0) | 255 (85.0) | 81 (81.0) |  |
  Other | 64 (16.0) | 45 (15.0) | 19 (19.0) |  |
Psychosocial status (\(\overline{x} \pm {\text{s}}\)) | ||||
 Social support (range 1–7) | ||||
  Family | 4.80 ± 1.45 | 4.79 ± 1.45 | 4.83 ± 1.45 | 0.807 |
  Friends | 4.86 ± 1.37 | 4.90 ± 1.35 | 4.74 ± 1.42 | 0.316 |
  Significant others | 5.29 ± 1.22 | 5.34 ± 1.19 | 5.13 ± 1.28 | 0.129 |
 Social stigma (range 13–52) | 29.80 ± 6.77 | 29.86 ± 6.68 | 29.65 ± 7.04 | 0.792 |
Mental health problems [M (Q1, Q2)] | ||||
 Probable depression (range 0–27) | 7.00 (4.00, 10.00) | 7.00 (4.00, 9.00) | 7.00 (3.00, 10.00) | 0.504 |
  No (PHQ-9 score < 10) | 296 (74.0) | 231 (77.0) | 65 (65.0) | 0.025 |
  Yes (PHQ-9 score ≥ 10) | 104 (26.0) | 69 (23.0) | 35 (35.0) |  |
 Moderate/severe anxiety (range 0–27) | 6.00 (2.00, 7.00) | 6.00 (2.00, 7.00) | 4.00 (2.00, 8.00) | 0.833 |
  No (GAD-7 score < 10) | 340 (85.0) | 256 (85.3) | 84 (84.0) | 0.872 |
  Yes (GAD-7 score ≥ 10) | 60 (15.0) | 44 (14.7) | 16 (16.0) |  |