Table 3 Relation between glycol ether metabolite levels in urine and semen and hormonal parameters.
| Parameters | Butoxyacetic acid (mg/g creatinine) | 2–Methoxypropionic acid (mg/g creatinine) |
|---|---|---|
| R* (95% CI) | R* (95% CI) | |
| Seminal volume (ml) | –0.19 (–0.37 to 0.02) | 0.05 (–0.15 to 0.25) |
| Sperm concentration (millions/ml) | –0.08 (–0.27 to 0.13) | 0.03 (–0.18 to 0.23) |
| Total sperm count (millions) | –0.17 (–0.35 to 0.03) | 0.06 (–0.14 to 0.26) |
| “a” rapid progressive sperm motility (%) | 0.05 (–0.15 to 0.25) | –0.03 (–0.23 to 0.18) |
| “a” + “b” total progressive sperm motility (%) | 0.08 (–0.12 to 0.28) | 0.01 (–0.19 to 0.21) |
| Sperm morphology (%) | –0.08 (–0.29 to 0.13) | –0.03 (–0.24 to 0.18) |
| Testosterone (ng/ml) | –0.04 (–0.24 to 0.16) | –0.21 (–0.40 to 0.01) |
| FSH (IU/l) | 0.07 (–0.13 to 0.27) | –0.12 (–0.31 to 0.08) |
| LH (IU/l) | 0.01 (–0.19 to 0.21) | –0.01 (–0.21 to 0.20) |
| Inhibin B (pg/ml) | 0.02 (–0.18 to 0.22) | 0.07 (–0.13 to 0.27) |
FSH, follicle stimulating hormone; LH, luteinising hormone.
*Standardised coefficient of linear regression.