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)