Table 3 Association* between personal exposures and selected anions 24Â h after exposure (lag 1)
From: Malondialdehyde and anion patterns in exhaled breath condensate among subway workers
Personal exposure | MDAe/MDAb | Formatee/Formateb | Lactatee/Lactateb | Acetatee/Acetateb | ΣNOxe/ΣNOxb | Nitrit/Nitrate/Nitrit/Nitratb |
|---|---|---|---|---|---|---|
Lag 1 | Lag 1 | Lag 1 | Lag 1 | Lag 1 | Lag 1 | |
Particle number concentration (#/cm3) | 0.02 ± 0.19 (0.94) | 0.03 ± 0.07 (0.60)* | 0.06 ± 0.44 (0.89) | 0.22 ± 0.18 (0.21) | − 0.04 ± 0.12 (0.76) | 0.34 ± 0.27 (0.20) |
UFP size (nm) | − 0.97 ± 0.74 (0.19) | − 0.24 ± 0.24 (0.33) | 1.93 ± 1.51 (0.20) | − 0.94 ± 0.60 (0.12) | 0.68 ± 0.43 (0.13) | − 2.43 ± 0.88 (0.01) |
Lung deposited surface area (µm2/cm3) | − 0.08 ± 0.22 (0.74) | 0.03 ± 0.08 (0.74)* | 0.36 ± 0.52 (0.48) | 0.18 ± 0.21 (0.39) | 0.02 ± 0.15 (0.88) | 0.19 ± 0.32 (0.55) |
PM2.5 (µg/m3) | 0.46 ± 0.30 (0.13) | 0.01 ± 0.08 (0.86)* | − 0.45 ± 0.45 (0.33) | − 0.43 ± 0.18 (0.02) †| − 0.08 ± 0.17 (0.64) | − 0.18 ± 0.31 (0.56) |
PM4 (µg/m3) | − 0.08 ± 0.51 (0.88) | 0.17 ± 0.19 (0.37)* | 0.29 ± 1.12 (0.79) | − 0.21 ± 0.39 (0.60) | − 0.88 ± 0.35 (0.02) | 0.94 ± 0.64 (0.15) |
PM10 (µg/m3) | 0.52 ± 0.26 (0.05) | 0.11 ± 0.09 (0.20)* | − 1.46 ± 0.44 (0.01) | − 0.24 ± 0.20 (0.24) | − 0.12 ± 0.18 (0.49) | 0.39 ± 0.31 (0.21) |