Table 4 The odds of having a serum PSA level of ≥4.0 or 2.5 ng/mL based on work type of the subjects
From: Serum prostate-specific antigen levels and type of work in tire manufacturing workers
PSA < threshold | PSA ≥ threshold | Crude OR | 95% CI | Adjusted OR | 95% CI* | |
|---|---|---|---|---|---|---|
n (%) | n (%) | |||||
PSA threshold 4.0 ng/mL | ||||||
All | ||||||
Production workers | 1,690 (99.5) | 9 (0.5) | 1.00 | 1.00 | ||
Office workers | 251 (96.9) | 8 (3.1) | 5.98 | 2.29-15.65 | 7.73 | 2.78-21.46 |
Age < 50 | ||||||
Production workers | 1,079 (99.6) | 4 (0.4) | 1.00 | 1.00 | ||
Office workers | 187 (99.5) | 1 (0.5) | 1.44 | 0.16-12.97 | 2.372 | 0.24-22.84 |
Age ≥ 50 | ||||||
Production workers | 611 (99.2) | 5 (0.8) | 1.00 | 1.00 | ||
Office workers | 64 (90.1) | 7 (9.9) | 13.37 | 4.13-43.33 | 12.90 | 3.65-45.64 |
PSA threshold 2.5 ng/mL | ||||||
All | ||||||
Production workers | 1,655 (97.4) | 44 (2.6) | 1.00 | 1.00 | ||
Office workers | 244 (94.2) | 15 (5.8) | 2.31 | 1.27-4.21 | 2.74 | 1.49-5.08 |
Age < 50 | ||||||
Production workers | 1,058 (97.7) | 25 (2.3) | 1.00 | 1.00 | ||
Office workers | 182 (96.8) | 6 (3.2) | 1.40 | 0.57-3.44 | 1.89 | 0.74-4.85 |
Age ≥ 50 | ||||||
Production workers | 597 (96.9) | 19 (3.1) | 1.00 | 1.00 | ||
Office workers | 62 (87.3) | 9 (12.7) | 4.56 | 1.98-10.51 | 3.90 | 1.64-9.25 |