AGE

≤28 yr

>28 ≤32 yr

>32 yr

Infertility

2.5%

20.8%

81.0%

Chi square test of independence p < 0.001

Smoking

41.0%

43.5%

26.7%

Chi square test of independence p = 0.203

Alcohol Consumption

2.6%

20.0%

24.6%

Chi square test of independence p = 0.016