Variables

Unexplained group

(number = 110)

Explained group

(number = 110)

P value (95% Confidence Interval)

Age (Years)

29.5 ± 5.7

29.7 ± 6.0

0.7 (−1.7, −0.2, 1.3)

Body mass index (kg/m2)

29.4 ± 4.9

30.6 ± 5.3

0.79 (−2.5, −1.2, 0.14)

Duration of Marriage (Years)

6.8 ± 3.8

6.9 ± 4.4

0.9 (−1.18, −0.1, 0.98)

Duration of Infertility (Years)

5.8 ± 3.3

5.4 ± 3.7

0.88 (−0.5, 0.4, 1.3)

Occupation

Housewives

Working

81 (73.6%)

29 (26.4%)

80 (71.4%)

32 (28.6%)

0.88

0.80

Residence

Urban

Rural

62 (56.4%)

48 (43.6%)

65 (58.0%)

47 (42.0%)

1.00

0.87

Smoking

6 (5.5%)

7 (6.3%)

0.81