Eight hour time weighted average exposure to respirable dust of the study participant, serum concentrations of interleukin-6, fibrinogen, and a-1-antitrypsin in 12 tunnel construction workers
| Interleukin-6 (ng/l) | Fibrinogen (g/l) | a-1-Antitrypsin (g/l) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Participant number | Exposure to dust (mg/m3) | ‡ | § | ¶ | ‡ | § | ¶ | ‡ | § | ¶ |
| *p=0.02 v ‡; †p=0.044 v ‡; ‡Monday afternoon before the shift after a 9 day work free period; §after an 8 hour working period in the tunnel; ¶before entering the tunnel on Tuesday afternoon. | ||||||||||
| 1 | 1.20 | 1.17 | 6.43 | 0.89 | 4.10 | 4.10 | 4.10 | 1.40 | 1.40 | 1.20 |
| 2 | 1.10 | 1.22 | 8.28 | 1.27 | 3.60 | 3.30 | 3.90 | 1.80 | 1.30 | 1.40 |
| 3 | 1.30 | 0.71 | 2.93 | 0.71 | 3.00 | 2.90 | 3.20 | 1.30 | 1.40 | 1.30 |
| 4 | 1.20 | 0.44 | 1.54 | 0.40 | 2.60 | 2.60 | 2.60 | 1.00 | 1.20 | 0.80 |
| 5 | 0.50 | 1.79 | 6.63 | 3.29 | 3.40 | 3.90 | 4.10 | 1.70 | 2.00 | 1.60 |
| 6 | 0.30 | 0.74 | 1.83 | 0.51 | 3.40 | 3.20 | 3.50 | 1.50 | 1.70 | 1.30 |
| 7 | 1.00 | 0.61 | 1.39 | 1.14 | 3.20 | 2.80 | 3.00 | 1.30 | 1.10 | 0.90 |
| 8 | 1.90 | 4.47 | 9.23 | 5.57 | 3.90 | 3.80 | 4.50 | 1.20 | 1.20 | 1.20 |
| 9 | 0.70 | 0.75 | 4.14 | 0.81 | 3.40 | 3.70 | 4.00 | 1.60 | 1.70 | 1.80 |
| 10 | 1.20 | 1.63 | 4.40 | 1.15 | 3.40 | 3.40 | 3.30 | 0.50 | 1.60 | 1.30 |
| 11 | 1.00 | 3.72 | 6.76 | 4.21 | 4.40 | 4.20 | 4.90 | 1.60 | 1.30 | 1.70 |
| 12 | 1.50 | 1.10 | 5.31 | 1.27 | 2.80 | 2.70 | 2.80 | 1.10 | 1.00 | 1.20 |
| Median | 1.15 | 1.14 | 4.86 | 1.15 | 3.40 | 3.35 | 3.70 | 1.35 | 1.35 | 1.30 |
| Range | 1.60 | 4.03 | 7.84* | 5.17 | 1.80 | 1.60 | 2.30† | 1.30 | 1.00 | 1.00 |