Table 3 The relations between sperm count and semen lead concentrations after adjusted age, body-mass index and smoking by multiple linear regressions (N=341)
From: Lead level in seminal plasma may affect semen quality for men without occupational exposure to lead
Variables | Beta coefficients± SE (standard error) | P |
|---|---|---|
Age (Y/O) | 1.1±0.7 | 0.1433 |
Body mass index(kg/m2) | 0.4±2.3 | 0.8514 |
Smoking | −0.2±5.6 | 0.9699 |
Semen lead | −4.44±1.87 | 0.0181 |