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Table 5 Multivariate associations between personal exposure to toluene and xylene ( μg/m3) and characteristics of study population

From: An analysis of factors that influence personal exposure to toluene and xylene in residents of Athens, Greece

  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  
  1. Beta: regression coefficient; CI: confidence interval; RC: reference category; NS: not significant