Table 4: unadjusted and adjusted multivariate logistic regression of infertility risk factors among women and men considered in separate models.

Women Men
Unadjusted OR* (95% CI) adjusted OR* (95% CI) Unadjusted OR* (95% CI) adjusted OR* (95% CI)
Marital regime
Monogamy 1 1
Polygamy 3.9 (1.5; 10.0) 3.6 (1.3; 9.6)
Religion
Muslim 1 1
Christian 0.5 (0.2; 0.9) 0.4 (0.2; 0.8)
Income per month
≤ 86.3 1 1
>86.3; ≤172.5 0.9 (0.3; 3.0) 0.6 (0.3; 1.1)
>172.5 No data 0.6 (0.2; 1.4)
STI** man
Yes 1 1
No 0.6 (0.3; 1.1) 0.3 (0.1; 0.9)
STI** woman
Yes 1 1
No 0.9 (0.4; 1.6) 1.1 (0.4; 3.0)
Smoking
Never smoke 1 1
Current smoker 1.5 (0.7; 3.1) 1.5 (0.5; 4.5)
Past smoker 3.9 (1.8; 8.1) 3.3 (1.0; 11.3)
Number of cigarettes per day 0.7 (0.3; 1.6)
None 1
>0; <=10 2.7 (1.4; 5.3)
>10 1.8 (0.8; 4.1)
Ejaculation or erectile disorders
Yes 1 1
No 0.8 (0.4; 1.6) 0.9 (0.3; 2.7)
Pregnancy outcome
Normal delivery 1 1 1 1
Stillbirth 10.0 (1.8; 56.1) 12.2 (2.0; 72.9) 10.2 (1.8; 56.7) 13.3 (2.1; 83.1)
Born alive but died immediately after 1.9 (0.2; 15.8) 2.2 (0.3; 18.3) 1.8 (0.2; 14.7) 2.2 (0.3; 18.5)
Abortion /miscarriage 9.7 (3.05; 30.6) 13.6 (3.81; 48.4) 9.8 (3.1; 30.9) 14.4 (3.9; 52.9)
Knowledge of partners menses cycle 1.2 (0.5; 2.6) 0.8 (0.4; 1.6)

*odd ratio **sexually transmitted infection