Table 2 Associations between fertility indicators and condomless sex during peak fertility days (N = 52 women)
Days with condomless sex/days with indicated fertility (%) | Days with condomless sex/ days without indicated fertility (%) | Unadjusted | Adjusteda | |||
|---|---|---|---|---|---|---|
OR | p-value | OR | p-value | |||
95% CI | 95% CI | |||||
Peak fertility (N = 752) | ||||||
No menstruation | 202/720 (28.1%) | 4/30 (13.3%) | 3.72 | 0.13 | 1.37 | 0.76 |
0.67, 20.57 | 0.17, 10.78 | |||||
OPK+ | 45/99 (45.5%) | 104/400 (26.0%) | 2.85 | < 0.0001 | 2.07 | 0.02 |
1.78, 4.58 | 1.11, 3.86 | |||||
Cervical mucus+ | 79/181 (43.7%) | 115/511 (22.5%) | 3.08 | < 0.0001 | 2.25 | 0.004 |
2.0, 4.76 | 1.30, 3.90 | |||||
Peak fertility ± 2 days (N = 1470) | ||||||
No menstruation | 323/1395 (23.2%) | 4/72 (5.6%) | 8.01 | 0.0086 | 3.01 | 0.13 |
1.70, 37.80 | 0.72, 12.49 | |||||
OPK | 68/156 (43.6%) | 170/767 (22.2%) | 2.86 | < 0.0001 | 2.09 | 0.0059 |
1.90, 4.20 | 1.24, 3.53 | |||||
Cervical mucus | 118/321 (36.8%) | 191/1018 (18.8%) | 2.64 | < 0.0001 | 2.09 | 0.0003 |
1.84, 3.80 | 1.40, 3.13 | |||||