Table 1. Main Findings: Sperm DNA Fragmentation and Associated Factors
Variable < 39 years (n=114) ≥ 39 years (n=123)
Age range (years) 26–38 39-62
Mean sperm DNA fragmentation (%) 30.98 33.46
Varicocele (%) 21.05 14.91
Medication use (%) 24.56 39.47
Smoking (%) < 5 < 5
Alcohol consumption (%) ~14 ~14