Subjects Acetone Isoprene Acetonitrile Ethanol Acetaldehyde Acrolein Benzene Toluene
Chinese (5) 350.5± 22.7 124.7± 10.2 2.9 ± 1.5 70.± 8.8 46.2± 3.9 4.3± 0.1 0.3±0.001 0.7±0.1
Indian (19) 165.5 ± 37.8* 121.2 ± 41.8 10.8± 2.8* 95. ± 15.7 39.6 ± 3.6 9.6 ± 0.2* 0.4± 0.001 0.5± 0.1
Malaysian (5) 256.8 ± 23.5*# 125.5 ± 23.5 4.6 ± 1.7*# 75 ± 4.3 40.6 ± 4.2 5.7 ± 1.1# 0.5± 0.002 0.4± 0.1
Singaporean (5) 324.6 ± 27.7# 128.8 ± 13.5 2.4 ± 1.9* 78 ± 5.5 42.4 ± 3.9 3.5± 1.2# 0.2± 0.001 0.3± 0.1
*p<0.05 with respect to Chinese volunteers; #p<0.05 with respect to Indian volunteers (one way ANOVA with Newman-Keuls multiple post hoc test).
Table 4: Concentrations of VOCs (ppb) among different Asian population groups (Mean ± S.D.)