Table 2.
Behavioural and psychological correlates of commercial sex with old male clients (OMCs) among low-tier FSWs (N=2647)
| Variable | OMCs (%) | Non-OMCs (%) | Crude OR (95% CI) | P value |
| Duration of practising commercial sex (months) | ||||
| 1–12 | 303 (26.0) | 766 (51.7) | 1 | |
| 13–24 | 183 (15.7) | 245 (16.5) | 1.89 (1.50 to 2.38) | 0.000 |
| >24 | 679 (58.3) | 468 (31.6) | 3.67 (3.07 to 4.38) | 0.000 |
| No of clients during the previous month | ||||
| <16 | 273 (23.4) | 701 (47.3) | 1 | |
| 16–30 | 435 (37.3) | 420 (28.3) | 2.66 (2.19 to 3.13) | 0.000 |
| >30 | 454 (39.0) | 346 (23.3) | 3.37 (2.77 to 4.11) | 0.000 |
| Anal sex during the previous month | ||||
| No | 1063 (91.2) | 1447 (97.6) | 1 | |
| Yes | 101 (8.7) | 32 (2.2) | 4.30 (2.86 to 6.44) | 0.000 |
| Oral sex during the previous month | ||||
| No | 784 (67.3) | 1280 (86.4) | 1 | |
| Yes | 380 (32.6) | 199 (13.4) | 3.12 (2.57 to 3.78) | 0.000 |
| Young client during the previous month | ||||
| No | 834 (71.6) | 917 (61.9) | 1 | |
| Yes | 331 (28.4) | 565 (38.1) | 0.64 (0.55 to 0.76) | 0.000 |
| Middle-aged client during the previous month | ||||
| No | 64 (5.5) | 59 (4.0) | 1 | |
| Yes | 1101 (94.5) | 1423 (96.0) | 0.71 (0.50 to 1.03) | 0.068 |
| Average fee per sex act (¥) | ||||
| ≤¥50 | 285 (24.5) | 158 (10.7) | 1 | |
| ¥51–¥100 | 549 (47.1) | 573 (38.7) | 0.53 (0.42 to 0.67) | 0.000 |
| >¥100 | 329 (28.2) | 747 (50.4) | 0.24 (0.19 to 0.31) | 0.000 |
| Condom use during the previous month | ||||
| Never/rarely | 170 (14.6) | 168 (11.3) | 1 | |
| Sometimes | 201 (17.3) | 188 (12.7) | 1.06 (0.79 to 1.41) | 0.711 |
| Always/often | 793 (68.1) | 1126 (76.0) | 0.70 (0.55 to 0.88) | 0.002 |
| Currently using contraception | ||||
| No | 431 (37.0) | 874 (59.0) | 1 | |
| Yes | 734 (63.0) | 605 (40.8) | 2.46 (2.10 to 2.88) | 0.000 |
| STI symptoms during the previous 6 months | ||||
| No | 987 (84.7) | 1333 (89.9) | 1 | |
| Yes | 176 (15.1) | 142 (9.6) | 1.67 (1.32 to 2.12) | 0.000 |
| Seen a doctor during the previous 6 months | ||||
| No | 867 (74.4) | 1009 (68.14) | 1 | |
| Yes | 298 (25.6) | 472 (31.8) | 0.74 (0.62 to 0.87) | 0.000 |
| STI diagnosed during the previous half year (n=770)* | ||||
| No | 216 (72.5) | 415 (87.9) | 1 | |
| Yes | 82 (27.5) | 56 (11.9) | 2.81 (1.93 to 4.10) | 0.000 |
| Exposure to HIV prevention service during the previous 6 months | ||||
| No | 126 (10.8) | 273 (18.4) | 1 | |
| Yes | 1039 (89.2) | 1209 (81.6) | 1.86 (1.48 to 2.34) | 0.000 |
| Risk perception of HIV infection | ||||
| Impossible/unsure | 880 (75.5) | 1174 (79.2) | 1 | |
| Possible | 285 (24.5) | 306 (20.6) | 1.24 (1.03 to 1.49) | 0.020 |
| Risk perception of STI infection | ||||
| Impossible/unsure | 726 (62.3) | 1061 (71.6) | 1 | |
| Possible | 439 (37.3) | 421 (28.4) | 1.52 (1.29 to 1.80) | 0.000 |
| Self-efficacy for condom use score | ||||
| 0 | 463 (39.7) | 565 (38.1) | 1 | |
| 1–2 | 144 (12.4) | 214 (14.4) | 0.82 (0.64 to 1.05) | 0.114 |
| 3 | 558 (47.9) | 703 (47.4) | 0.97 (0.82 to 1.14) | 0.706 |
*This variable was not included in the multivariate analysis.
FSWs, female sex workers; STI, sexually transmitted infection.