Table 8.
The comparison between subgroups of workers with lower and higher BMI based on the median of BMI (25.6 kg/m2). B: whole blood; L: leukocyte; D: a difference between the levels at baseline (1) and at the end of the study period (2).
| Low BMI n = 17 |
High BMI n = 19 |
p value | |||
|---|---|---|---|---|---|
| Mean | SD | Mean | SD | ||
| Age (years) | 37.44 | 14.16 | 44.84 | 12.22 | 0.097 |
| Percentage of smokers (%) | 0.72 | 0.46 | 0.63 | 0.50 | 0.569 |
| BMI (kg/m2) | 22.65 | 1.96 | 28.69 | 2.28 | <0.001 |
| B-Pb-1 (μg/dl) | 9.84 | 7.56 | 11.57 | 7.69 | 0.494 |
| B-Pb-2 (μg/dl) | 50.68 | 15.57 | 47.32 | 12.59 | 0.475 |
| B-Pb-D (μg/dl) | 40.84 | 13.76 | 35.77 | 15.53 | 0.302 |
| Se-1 (μg/dl) | 66.88 | 10.40 | 72.67 | 8.03 | 0.069 |
| Se-2 (μg/dl) | 77.45 | 9.72 | 72.03 | 9.44 | 0.099 |
| Se-D (μg/dl) | 10.56 | 13.77 | −0.64 | 13.03 | 0.017 |
| L-SOD-1 (NU/mg P) | 17.21 | 1.52 | 16.43 | 2.22 | 0.237 |
| L-SOD-2 (NU/mg P) | 15.08 | 4.39 | 18.52 | 2.76 | 0.007 |
| L-SOD-D (NU/mg P) | −2.13 | 3.42 | 2.09 | 3.90 | 0.002 |
| L-Mn-SOD-1 (NU/mg P) | 5.61 | 1.84 | 5.70 | 1.92 | 0.889 |
| L-Mn-SOD-2 (NU/mg P) | 3.83 | 1.59 | 6.44 | 4.27 | 0.024 |
| L-Mn-SOD-D (NU/mg P) | −1.78 | 2.12 | 0.74 | 4.68 | 0.049 |
| L-CAT-1 (U/mg P) | 42.16 | 10.35 | 34.62 | 9.76 | 0.031 |
| L-CAT-2 (U/mg P) | 45.12 | 10.16 | 42.36 | 17.72 | 0.576 |
| L-CAT-D (U/mg P) | 2.96 | 13.84 | 7.73 | 21.33 | 0.437 |