Skip to main content

Table 5 Spearman correlation between each indoor and outdoor concentration of target VOCs in exposed area (N = 310)

From: Health risk assessment of volatile organic compounds exposure near Daegu dyeing industrial complex in South Korea

  Chloroformb Chloroforma MEKb MEKa Benzeneb Benzenea Tolueneb Toluenea Ethylbenzeneb Ethylbenzenea m,p-Xyleneb m,p-Xylenea o-Xyleneb o-Xylenea DMFb
Chloroforma 0.42** 1              
MEKb 0.26* 0.27* 1             
MEKa 0.24* 0.34** 0.60** 1            
Benzeneb 0.45** 0.13 −0.14 −0.14 1           
Benzenea 0.26** 0.27** −0.17 0.03 0.78** 1          
Tolueneb 0.42** 0.24** 0.56** 0.43** 0.14 0.08 1         
Toluenea 0.15 0.32** 0.41** 0.66** −0.05 0.19* 0.67** 1        
Ethylbenzeneb 0.45** 0.10 −0.01 −0.02 0.39** 0.26** 0.36** 0.12 1       
Ethylbenzenea 0.13 0.33** 0.15 0.21 0.08 0.29** 0.26** 0.46** 0.52** 1      
m,p-Xyleneb 0.29** 0.14 0.08 −0.12 0.49** 0.43** 0.22** 0.01 0.58** 0.31** 1     
m,p-Xylenea 0.08 0.16 0.21 0.22* 0.14 0.36** 0.18 0.44** 0.16 0.56** 0.39** 1    
o-Xyleneb 0.46** 0.18 −0.08 −0.05 0.76** 0.65** 0.15 0.02 0.66** 0.34** 0.71** 0.34** 1   
o-Xylenea 0.28** 0.38** 0.06 0.10 0.52** 0.64** 0.16 0.30** 0.36** 0.72** 0.48** 0.63** 0.67** 1  
DMFb 0.39** 0.31** 0.55** 0.40** 0.05 0.05 0.73** 0.48** 0.06 0.02 0.03 0.07 −0.03 0.04 1
DMFa 0.10 0.32** 0.41** 0.36** 0.20* −0.01 0.44** 0.56** −0.25** −0.02 − 0.20* 0.10 − 0.24** −0.09 0.66**
  1. The indoor concentrations of all measured VOCs were positively correlated with outdoor concentrations in the exposed area (p < 0.01). Positive mutual correlations were significant among toluene, DMF, chloroform, and MEK both in residential indoor and outdoor
  2. aIndoor; bOutdoor; *p < 0.05; **p < 0.01