| Number of patients | Mean ± s.d. | Range |
---|---|---|---|
Total number of patients | 1683 | Â | Â |
Mean age (years) | 1683 | 40.4 ± 5.9 | 25-72 |
BMI (kg/m 2 ) | 1678 | 26.1± 3.4 | 17-48 |
Period of sexual abstinence (days) | 1675 | 3.2 ± 2.2 | 0-35 |
Ejaculatory frequency (ejaculations per month) | 1658 | 6.7 ± 3.4 | 0-24 |
Working hours (h) | 1589 | 9.4 ± 1.4 | 0-15 |
Sleeping/day (h) | 1591 | 7.1 ± 0.8 | 4-12 |
Coffee intake (cups/day) | 1321 | 2.0 ± 1.5 | 0-12 |
Meals intake/day | 1564 | 2.7 ± 0.6 | 1-5 |
Fruit/vegetables intake (portion/day) | 1499 | 1.3 ± 0.8 | 0-5 |
Fluid intake (liter/day) | 1569 | 2.1 ± 0.7 | 0.5-6 |
Smoking: Yes (Range: cigarettes/day) | 215/1438 a | 13 ± 8.4 | 0.5-50 b |
Endurance sports (h/week) | 899/1454 a | 2.6 ± 2.1 | 0.5-22 |
Endurance sports (times/week) | 712/1421 a | 2.3 ± 1.5 | 0.5-14 |
Athletic sports (h/week) | 286/1514 a | 2.4 ± 1.2 | 0.5-14 |
Athletic sports (times/week) | 275/1505 a | 2.1 ± 1.1 | 0.5-7 |