Table 5 Multivariate associations between personal exposure to toluene and xylene ( μg/m3) and characteristics of study population
TOLUENE beta (95% CI) | P | XYLENE beta (95% CI) | P | |
|---|---|---|---|---|
Transportation means | ||||
Foot | RC | |||
Vehicle | 19.13 (4.6, 33.6) | 0.012 | NS | |
Both | 5.44 (-12.6, 23.5) | 0.541 | ||
Time spent outdoors (hours) | 0.582 (0.22, 0.94) | 0.003 | 1.184 (0.78, 1.59) | <10-3 |
Home levels ( μg/m3) | 0.554 (0.45, 0.65) | <10-3 | 0.561 (0.38, 0.74) | <10-3 |
Wind speed (m/s) | -54.15 (-89.9, -18.4) | 0.004 | -41.03 (-68.1, -13.9 | 0.004 |
Humidity (%) | 2.96 (1.3, 4.7) | <10-3 | 2.53 (0.9, 4.2) | 0.003 |
Sunshine (hour) | 10.46 (4.4, 16.5) | 0.001 | 9.23 (3.5, 14.9) | 0.002 |
R2 | 0.43 | 0.33 | ||