Table
1
Participant
characteristics
of
the
three
groups
and
air
concentrations
of
organic
BPs
in
workplaces
(mean
±
SD).
Groups
Subjects
Age
(years)
Years
of
exposure
Air
concentrations
(mg/m 3 )
No.
NS
S
F
M
Sample
no.
Concentrations
Exposure
group
I
20
13
7
0
20
43.50
±
6.95
3.95
±
2.44 a 12
12.73
±
4.01 a
Exposure
group
II 20 13
7
0
20
43.10
±
6.56
2.20
±
0.77
12
7.73
±
2.28
Control
group
20
13
7
0
20
43.55
±
7.61
–
–
–
NS:
non-smoker;
S:
smoker;
F:
female;
M:
male