Selected characteristics of female sex workers recruited by time–location sampling in Mongolia by syphilis status (n=761)
| Characteristics | Syphilis positive | Syphilis negative | ||||
|---|---|---|---|---|---|---|
| Total (N) | Crude % (n) | Weighted % (95% CI) | Crude % (n) | Weighted % (95% CI) | p (pw)* | |
| Age | ||||||
| Mean/median (range) | 761 | 30.5/29 (16, 49) | 31.3/30.5 (14, 49) | 0.345 | ||
| Age groups | ||||||
| 15–24 | 209 | 23.9 (50) | 21.2 (15.6 to 28.1) | 76.1 (159) | 78.8 (71.9 to 84.4) | 0.009 |
| 25–34 | 292 | 34.2 (100) | 38.5 (32.1 to 45.3) | 65.8 (192) | 61.5 (54.7 to 68.0) | |
| 35–44 | 196 | 24.0 (47) | 22.9 (17.0 to 30.1) | 76.0 (149) | 77.1 (69.9 to 83.0) | |
| ≥45 | 64 | 18.8 (12) | 14.4 (7.7 to 25.2) | 81.3 (52) | 85.6 (74.8 to 92.3) | |
| Education | ||||||
| None/primary | 61 | 41.0 (25) | 47.4 (32.7 to 62.6) | 59.0 (36) | 52.6 (37.4 to 67.3) | 0.079 |
| Incomplete secondary | 217 | 28.6 (62) | 25.2 (19.4 to 32.1) | 71.4 (155) | 74.8 (68.0 to 80.6) | (0.016) |
| Complete secondary | 392 | 25.3 (99) | 27.7 (22.8 to 33.2) | 74.7 (293) | 72.3 (66.8 to 77.2) | |
| >Complete secondary | 89 | 25.8 (23) | 22.4 (14.5 to 33.0) | 74.2 (66) | 77.6 (67.0 to 85.5) | |
| No. of sexual partners last week | ||||||
| Mean/median (range) | 4/3 (0–21) | NA | 4/3 (0–31) | NA | 0.462 | |
| ≤3 | 422 | 23.7 (100) | 23.8 (19.4 to 28.7) | 76.3 (322) | 76.3 (71.3 to 80.6) | 0.064 |
| ≥4 | 298 | 29.9 (89) | 30.2 (24.2 to 36.8) | 70.1 (209) | 69.9 (63.2 to 75.8) | |
| No | 437 | 26.8 (117) | 27.4 (22.9 to 32.5) | 73.2 (320) | 72.6 (67.5 to 77.2) | |
| Condom use at last sex with: Client | ||||||
| Yes | 612 | 27.1 (166) | 27.1 (23.1 to 31.4) | 72.9 (446) | 72.9 (68.6 to 76.9) | 0.674 |
| No | 142 | 28.9 (41) | 30.8 (22.7 to 40.2) | 71.1 (101) | 69.2 (59.8 to 77.3) | |
| Non-regular sex partner | ||||||
| Yes | 146 | 26.7 (39) | 28.4 (20.5 to 37.9) | 73.3 (107) | 71.6 (62.1 to 79.5) | 0.581 |
| No | 159 | 29.6 (47) | 27.9 (20.4 to 36.9) | 70.4 (112) | 72.1 (63.1 to 79.6) | |
| Regular sex partner | ||||||
| Yes | 47 | 23.4 (11) | 25.8 (12.8,45.2) | 76.6 (36) | 74.2 (54.8 to 87.3) | 0.751 |
| No | 195 | 25.6 (50) | 28.0 (21.2 to 36.0) | 74.4 (145) | 72.0 (64.0 to 78.8) | |
| Blue collar worker client | ||||||
| Yes | 437 | 31.6 (138) | 32.9 (27.9 to 38.3) | 68.4 (299) | 67.1 (61.7 to 72.2) | 0.003 |
| No | 324 | 21.9 (71) | 21.3 (16.7 to 26.7) | 78.1 (253) | 78.7 (73.3 to 83.3) | |
| Genital discharge | ||||||
| Yes | 275 | 31.3 (86) | 32.1 (26.0,38.9) | 68.7 (189) | 67.9 (61.1 to 74.1) | 0.077 |
| No | 486 | 25.3 (123) | 25.2 (20.9 to 29.9) | 74.7 (363) | 74.9 (70.1 to 79.1) | |
| Genital ulcers/sores | ||||||
| Yes | 53 | 41.5 (22) | 41.3 (27.0 to 57.3) | 58.5 (31) | 58.7 (42.7 to 73.0) | 0.018 |
| No | 708 | 26.4 (187) | 26.7 (23.1 to 30.7) | 73.6 (521) | 73.3 (69.3 to 76.9) | |
| Responded correctly to all HIV knowledge questions† | ||||||
| Yes | 268 | 27.6 (74) | 28.5 (22.5 to 35.4) | 72.4 (194) | 71.5 (64.6 to 77.5) | 0.953 |
| No | 381 | 27.8 (106) | 28.7 (23.7 to 34.3) | 72.2 (275) | 71.3 (65.7 to 76.4) | |
| Tested for HIV | ||||||
| Yes | 429 | 30.8 (132) | 30.9 (26.0 to 36.2) | 69.2 (297) | 69.1 (63.8 to 74.0) | 0.013 |
| No | 295 | 22.4 (66) | 22.6 (17.5 to 28.7) | 77.6 (229) | 77.4 (71.4 to 82.5) | |
| Participated in HIV prevention | ||||||
| Yes | 362 | 26.8 (97) | 25.4 (20.6 to 30.8) | 73.2 (265) | 74.6 (69.2 to 79.4) | 0.715 |
| No | 357 | 28.0 (100) | 29.7 (24.4 to 35.6) | 72.0 (257) | 70.3 (64.4 to 75.6) | |
| Knew where to get HIV test | ||||||
| Yes | 627 | 28.2 (177) | 28.5 (24.6 to 32.8) | 71.8 (450) | 71.5 (67.2 to 75.4) | 0.176 |
| No | 97 | 21.6 (21) | 20.8 (12.9 to 31.9) | 78.4 (76) | 79.2 (68.2 to 87.1) | |
*pw, weighted p value.
†Questions are: 1. Have you heard about HIV? 2. Does having one faithful sex partner can reduce the transmission risk of HIV infection? 3. Can using a condom properly in all sexual intercourse prevent HIV infection? 4. Can a healthy looking person be infected with HIV? 5. Do mosquito bites transmit HIV infection? 6. Does handshaking and sharing food with and HIV-infected person lead to transmission of HIV infection?