Table 4.
Differences in syphilis and CT infection between subgroups of variables among FSWs in Jiangsu, China.
| Variables | Syphilis infection (N = 3580) | CT infection (N = 3307) | ||||
|---|---|---|---|---|---|---|
| No. positive (%) | No. negative (%) | P–value | No. positive (%) | No. negative (%) | P–value | |
| Age group (years) | 0.006 | 0.008 | ||||
| <25 | 12 (18.5) | 475 (13.5) | 32 (22.7) | 427 (13.5) | ||
| 25–34 | 13 (20.0) | 1395 (39.7) | 50 (35.5) | 1234 (39.0) | ||
| ≥35 | 40 (61.5) | 1645 (46.8) | 59 (41.8) | 1505 (47.5) | ||
| Education | 0.486 | 0.451 | ||||
| Secondary education or below | 48 (73.8) | 2455 (69.8) | 95 (67.4) | 2227 (70.3) | ||
| High school and above | 17 (26.2) | 1060 (30.2) | 46 (32.6) | 939 (29.7) | ||
| Marital status | 0.793 | 0.037 | ||||
| Single | 17 (26.2) | 971 (27.6) | 49 (34.8) | 848 (26.8) | ||
| Currently married | 48 (73.8) | 2544 (72.4) | 92 (65.2) | 2318 (73.2) | ||
| Migrant | 0.002 | 0.009 | ||||
| Yes | 16 (24.6) | 1541 (43.8) | 76 (53.9) | 1354 (42.8) | ||
| No | 49 (75.4) | 1974 (56.2) | 65 (46.1) | 1812 (57.2) | ||
| Monthly income (CNY) | 0.040 | 0.897 | ||||
| <5000 | 40 (61.5) | 1808 (51.4) | 72 (51.1) | 1680 (53.1) | ||
| 5000–7999 | 8 (12.3) | 92 3(26.3) | 39 (27.7) | 838 (26.5) | ||
| ≥8000 | 17 (26.2) | 784 (22.3) | 30 (21.3) | 648 (20.5) | ||
| Recruitment tier | 0.164 | 0.028 | ||||
| Low | 24 (36.9) | 961 (27.3) | 30 (21.3) | 889 (28.1) | ||
| Middle | 32 (49.2) | 1834 (52.2) | 90 (63.8) | 1658 (52.4) | ||
| High | 9 (13.8) | 720 (20.5) | 21 (14.9) | 619 (19.6) | ||
| Duration time of commercial sex work in enroll city | 0.123 | 0.766 | ||||
| <6 months | 16 (24.6) | 2907 (82.7) | 25 (17.7) | 531 (16.8) | ||
| ≥6 months | 49 (75.4) | 608 (17.3) | 116 (82.3) | 2635 (83.2) | ||
| The last venue for selling sex | 0.272 | 0.676 | ||||
| Other provinces | 8 (12.3) | 747 (21.3) | 28 (19.9) | 665 (21.0) | ||
| Other cities in Jiangsu Province | 20 (30.8) | 841 (23.9) | 34 (24.1) | 784 (24.8) | ||
| Same city | 28 (43.1) | 1515 (43.1) | 57 (40.4) | 1333 (42.1) | ||
| None | 9 (13.8) | 412 (11.7) | 22 (15.6) | 384 (12.1) | ||
| Condom use with the last client | 0.891 | 0.584* | ||||
| Yes | 63 (96.9) | 3396 (96.6) | 137 (97.2) | 3071 (97.0) | ||
| No | 2 (3.1) | 119 (3.4) | 4 (2.8) | 95 (3.0) | ||
| Have unprotected sex with a customer in the past month | 0.556 | 0.999 | ||||
| Yes | 11 (16.9) | 504 (14.3) | 20 (14.2) | 449 (14.2) | ||
| No | 54 (83.1) | 3011 (85.7) | 121 (85.8) | 2717 (85.8) | ||
| Group sex in the past year | 0.001 | 0.668 | ||||
| Yes | 15 (23.1) | 364 (10.4) | 14 (9.9) | 351 (11.1) | ||
| No | 50 (76.9) | 3151 (89.6) | 127 (90.1) | 2815 (88.9) | ||
| The main way to find clients | 0.242 | 0.418 | ||||
| Fixed Venues | 43 (66.2) | 1027 (29.2) | 92 (65.2) | 963 (30.4) | ||
| Telephone reservation | 8 (12.3) | 283 (8.1) | 8 (5.7) | 269 (8.5) | ||
| Internet | 14 (21.5) | 2205 (62.7) | 41 (29.1) | 1934 (61.1) | ||
| Ever used illicit drugs in the past year | 0.864* | 0.295* | ||||
| Yes | 0 (0.0) | 8 (0.2) | 1 (0.7) | 7 (0.2) | ||
| No | 65 (100.0) | 3507 (99.8) | 140 (99.3) | 3159 (99.8) | ||
| HIV testing in the last year | 0.708 | 0.168 | ||||
| Yes | 43 (66.2) | 2402 (68.3) | 91 (64.5) | 2216 (70.0) | ||
| No | 22 (33.8) | 1113 (31.7) | 50 (35.5) | 950 (30.0) | ||
| History of STIs in the past year | 0.623 | 0.077* | ||||
| Yes | 0 (0.0) | 13 (0.4) | 2 (1.4) | 9 (0.3) | ||
| No | 65 (100.0) | 3502 (99.6) | 139 (98.6) | 3157 (99.7) | ||
| History of STIs symptoms in the past year | 0.432 | 0.388 | ||||
| Yes | 2 (3.1) | 185 (5.3) | 10 (7.7) | 171 (5.4) | ||
| No | 63 (96.9) | 3330 (94.7) | 131 (92.9) | 2995 (94.6) | ||
| HIV infection | 0.071* | 0.840* | ||||
| Yes | 1 (1.5) | 3 (0.1) | 0 (0.0) | 4 (0.1) | ||
| No | 64 (98.5) | 3512 (99.9) | 141 (100.0) | 3162 (99.9) | ||
| HCV infection | 0.817* | 0.381 | ||||
| Yes | 0 (0.0) | 11 (0.3) | 1 (0.7) | 10 (0.3) | ||
| No | 65 (100.0) | 3504 (99.7) | 140 (99.3) | 3156 (99.7) | ||
| Syphilis infection | 0.525* | |||||
| Yes | – | – | 2 (1.4) | 58 (1.8) | ||
| No | – | – | 139 (98.6) | 3108 (98.2) | ||
| CT infection | 0.524* | |||||
| Yes | 2 (3.1) | 139 (4.0) | – | – | ||
| No | 63 (96.9) | 3376 (96.0) | – | – | ||
| NG infection | 0.183* | <0.001* | ||||
| Yes | 1 (1.5) | 10 (0.3) | 6 (4.3) | 5 (0.2) | ||
| No | 64 (98.5) | 3505 (99.7) | 135 (95.7) | 3161 (99.8) | ||
STIs, Sexually transmitted infections; HCV, Hepatitis C; CT, Chlamydia trachomatis; NG, Neisseria gonorrhoeae;
*
Fisher exact test; –, Not available.