Gender-based and combined prevalence of sexually transmitted infection, by symptoms, among the sexually active study respondents, in a random sample of men and women (n = 1345) from low-income communities of Chennai, Tamil Nadu, India, from March to June 2001
| Men | Women | Total | ||||
|---|---|---|---|---|---|---|
| Asymp | Symp | Asymp | Symp | Asymp | Symp | |
| Values are n (%).-ve, negative; +ve, positive; Asymp, asymptomatic; CT, chlamydia; HSV2, herpes simplex virus type 2; NG, gonorrhoea; STI, sexually transmitted infection; Symp, symptomatic; Trich, trichomoniasis. | ||||||
| *Missing data on 118 sexually active respondents for the presence of genital discharge in the past week. | ||||||
| †Missing data on 117 sexually active respondents for the presence of genital sores in past week. | ||||||
| ‡p<0.05. | ||||||
| §Reference groups. | ||||||
| STIs causing discharge | ||||||
| Total (n = 1227)* | 531 (97.3) | 15 (2.7) | 529 (77.7) | 152 (22.3) | 1060 (86.4) | 167 (13.6) |
| No infection (NG, CT and Trich −ve)§ | 528 (97.2) | 15 (2.8) | 31 (77.5) | 9 (22.5) | 559 (95.9) | 24 (4.1) |
| Only NG (NG +ve,CT and Trich −ve) | 0 (0) | 0 (0) | 2 (66.7) | 1 (33.3) | 2 (66.7) | 1 (33.3) |
| Only CT (CT +ve, NG and Trich −ve) | 2 (100.0) | 0 (0) | 1 (100.0) | 0 (0) | 3 (100.0) | 0 (0) |
| Only Trich (Trich +ve,NG and CT −ve) | 0 (0) | 0 (0) | 31 (77.5) | 9 (22.5) | 31 (77.5) | 9 (22.5) |
| Any discharge STI(NG or CT or Trich +ve) | 3 (100.0) | 0 (0) | 35 (77.8) | 10 (22.2) | 38 (79.2) | 10 (20.8) |
| STIs causing sores | ||||||
| Total (n = 1228)† | 524 (96.0) | 22 (4.0) | 674 (98.8) | 8 (1.2) | 1198 (97.6) | 30 (2.4) |
| No infection (HSV2 and syphilis −ve)§ | 457 (97.0) | 14 (3.0) | 543 (98.7) | 7 (9.3) | 1000 (97.9) | 21 (2.1) |
| Only HSV2 infection(HSV2 +ve, and syphilis −ve) | 61 (88.4)‡ | 8 (11.6)‡ | 122 (99.2) | 1 (0.8) | 183 (95.3) | 9 (4.7) |
| Only syphilis infection(Syphilis +ve and HSV2 −ve) | 4 (100.0) | 0 (0) | 5 (100.0) | 0 (0) | 465 (97.1) | 14 (2.9) |
| Any sore STI (HSV2 or syphilis +ve) | 67 (89.3) | 8 (10.7) | 131 (99.2) | 1 (0.8) | 198 (95.7) | 9 (4.3) |