Table 1. Demographic characteristics of the infertile and fertile groups
Variable Infertile Group
n=71		 Fertile Group
n=117		 p-value
Age (years) 37.8±4.6 35.5±4.6 <0.001*
Years of Infertility 3.2±2.3 - -
Pregnancy (n) 0.1±0.3 1.4±0.6 <0.001*
Abortion (n) 0.06±0.02 0.5±0.3 <0.001*
Body Mass Index (kg/m2) 24.6±3.2 24.1±2.9 0.670*
Weight (kg) 65.9±9.3 64.8±9.2 0.432*
Height (m) 1.61±0.06 1.62±0.06 0.360*
Educational level
- High School
- Undergraduate
- Graduate
- Master's degree
- Doctorate		 2.8% (2)
21.1% (15)
57.7% (41)
9.9% (7)
8.5% (6)		 6.0% (7)
23.9% (28)
54.7% (64)
10.3% (12)
5.1% (6)		 0.750†

*Student’s t-test
†Chi-square test