Table 2 Comparison of serum prostate-specific antigen levels by variables of the subjects
From: Serum prostate-specific antigen levels and type of work in tire manufacturing workers
n (%) | Serum PSA (ng/mL) | ||||
|---|---|---|---|---|---|
Geometric mean ± GSD* | p-value† | Adjusted geometric mean | p-value‡ | ||
Age (years) | |||||
30-39 | 402 (20.5) | 0.728 ± 1.740 | 0.001 | 0.722 | <0.001 |
40-49 | 870 (44.4) | 0.720 ± 1.820 | 0.719 | ||
50- | 686 (35.1) | 0.815 ± 1.916 | 0.823 | ||
Waist circumference (cm) | |||||
<90 | 1,449 (74.0) | 0.758 ± 1.845 | 0.521 | 0.761 | 0.265 |
≥90 | 509 (26.0) | 0.743 ± 1.835 | 0.735 | ||
Body mass index (kg/m2) | |||||
<25 | 1,142 (58.3) | 0.756 ± 1.844 | 0.843 | 0.757 | 0.806 |
≥25 | 816 (41.7) | 0.752 ± 1.840 | 0.751 | ||
Hypertension | |||||
No | 1,745 (89.1) | 0.745 ± 1.830 | 0.016 | 0.747 | 0.046 |
Yes | 213 (10.9) | 0.829 ± 1.928 | 0.816 | ||
Diabetes mellitus | |||||
No | 1,782 (91.0) | 0.757 ± 1.832 | 0.412 | 0.758 | 0.225 |
Yes | 176 (9.0) | 0.728 ± 1.952 | 0.716 | ||
Total cholesterol (mg/dL) | |||||
<240 | 1,839 (93.9) | 0.753 ± 1.848 | 0.764 | 0.754 | 0.755 |
≥240 | 119 (6.1) | 0.766 ± 1.757 | 0.767 | ||
Triglyceride (mg/dL) | |||||
<150 | 1,146 (58.5) | 0.757 ± 1.848 | 0.694 | 0.760 | 0.512 |
≥150 | 812 (41.5) | 0.749 ± 1.757 | 0.747 | ||
HDL cholesterol§ (mg/dL) | |||||
≥40 | 1,527 (78.0) | 0.760 ± 1.856 | 0.093 | 0.761 | 0.202 |
<40 | 431 (22.0) | 0.736 ± 1.811 | 0.730 | ||
Current smoking | |||||
No | 1,040 (53.1) | 0.744 ± 1.877 | 0.314 | 0.743 | 0.235 |
Yes | 918 (46.9) | 0.765 ± 1.802 | 0.768 | ||
Heavy drinker | |||||
No | 1,445 (73.8) | 0.746 ± 1.847 | 0.194 | 0.746 | 0.157 |
Yes | 513 (26.2) | 0.777 ± 1.829 | 0.780 | ||
Regular exercise | |||||
No | 1,477 (75.4) | 0.763 ± 1.831 | 0.096 | 0.764 | 0.015 |
Yes | 481 (24.6) | 0.723 ± 1.878 | 0.722 | ||