Table 1: Relative frequencies and disaggregated titers of anti- C. trachomatis antibodies (IgG) in relation to condom use and different types of sexual intercourse
| Type of sexual intercourse | Condom use | C. trachomatis antibodies titers (IgG) | p | ||
| Negative (%) | 1:320 | 1:1000 | |||
| Vaginal N = 206 | Inconsistent | 119 (57.8) | 13 (6.3) | 8 (3.9) | 1.000 |
| Always | 56 (27.2) | 6 (2.9) | 4 (1.9) | ||
| Oral N = 186 | Inconsistent | 146 (78.5) | 17 (9.1) | 11 (5.9) | 0.676 |
| Always | 10 (5.4) | 2 (1.1) | 0 (0) | ||
| Anal N = 75 | Inconsistent | 39 (52) | 6 (8) | 3 (4) | 0.519 |
| Always | 25 (33.3) | 1 (1.3) | 1 (1.3) | ||