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Table 2 Associations between fertility indicators and condomless sex during peak fertility days (N = 52 women)

From: Use of fertility awareness methods as a component of safer conception for women in HIV-serodifferent relationships in Kenya

  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  
  1. Bolded font indicates statistical significance at alpha = 0.05 level
  2. aAdjusted for all other SMS predictors, respectively