Table 1 Sociodemographic and health characteristics of the participants
Variable | % (n) |
|---|---|
Age (years; mean + SD) | 40.0 ± 6.1(69) |
Education | |
 Elementary or middle school | 7.2 (5) |
 High school | 14.5 (10) |
 Bachelor’s degree | 47.8 (33) |
 Post-graduate | 30.4 (21) |
Residence in the metropolitan area of Mexico City (%) | 56.5 (39) |
Body mass index (BMI) | |
 Normal (≤ 24.9) | 11.6 (8) |
 Overweight (≥ 25) | 52.2 (36) |
 Obesity (≥ 30) | 36.2 (25) |
Current smokers | 5.8 (4) |
Consumption of antioxidantsa | 56.5 (39) |
Regular exerciseb | 49.3 (34) |
Hypertensionc | 4.3 (3) |
Genital infectionsc | 7.2 (5) |
Varicoceled | 8.7 (6) |