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Table 2 Personal exposure levela to airborne benzene and toluene in indoor office workers (referents) and traffic officers

From: Association between leukocyte telomere shortening and exposure to traffic pollution: a cross-sectional study on traffic officers and indoor office workers

 

Referents

(n = 57)

Traffic officers

(n = 77)

 

Mean

(95% CI)

Min/Max

Mean

(95% CI)

Min/Max

Benzene, μg/m3

13.0

(8.2-17.9)

2.0/115.1

31.8

(22.6-40.9)

9.0/315.7

Toluene, μg/m3

43.4

(30.5-56.2)

6.0/368.0

128.7

(73.5-183.9)

24.4/1710.7

  1. aAirborne benzene and toluene concentrations measured as a tracer of traffic exposure measured through a passive sampler worn near the breathing zone by each participant during work shift. Airborne benzene and toluene levels showed high correlation in this study population (r2 = 0.87)