Variables | Frequency of ejaculation | |||
Sperm donors | Sub-fertile men | |||
Pearson’s R | P-value | Pearson’s R | P-value | |
Age group | 0.084 | 0.731 | −0.18 | 0.04 |
BMI group | −0.226 | 0.352 | 0.027 | 0.80 |
Systolic blood pressure (mmHg) | 0.063 | 0.798 | −0.08 | 0.46 |
Diastolic blood pressure (mmHg) | 0.256 | 0.290 | 0.03 | 0. 74 |
Type of infertility | - | - | −0.119 | 0.25 |
Ever fathered a child | - | - | 0.199 | 0.05 |
Miscarriage in partner | - | - | −0.007 | 0.94 |
Use of Herbal medicinal tea | −0.004 | 0.985 | 0.059 | 0.57 |
Alcohol consumption | −0.422 | 0.072 | 0.052 | 0.62 |
Number of cigarettes smoked daily | 0.247 | 0.307 | −0.041 | 0.70 |
DNA fragmentation index | 0.175 | 0.475 | −0.076 | 0.46 |