Table 1.
Population and lifestyle characteristics of patients
| Number of patients | Mean ± s.d. | Range | |
|---|---|---|---|
|
Total number of patients |
1683 |
|
|
|
Mean age (years) |
1683 |
40.4 ± 5.9 |
25-72 |
|
BMI (kg/m2) |
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 |
Values were expressed as mean ± s.d. (standard deviation).
Number of patients in this group/patients answered this question. a Number of patients affirmed this question. b cigarettes/ day.