|
Descriptive
|
Exposed
|
Un-Exposed
|
|---|
| |
Total (n = 60)
|
Painters (n = 20)
|
Mechanics (n = 20)
|
Control (n = 20)
|
|---|
|
Not detected (n/total)
|
28/60
|
6/20
|
7/20
|
15/20
|
|
Detected (n/total)
|
32/60
|
14/20
|
13/20
|
5/20
|
|
Median *
|
155.9
|
131.8 P
|
333.0 M
|
114.1 C
|
|
Skewness
|
2.2
|
2.0
|
1.2
|
1.8
|
|
Minimum detected
|
56.0
|
54.1
|
53.7
|
56.0
|
|
Maximum detected
|
1980.6
|
892.9
|
1980.6
|
632.4
|
- *Comparisons (Mann-Whitney U-test) of blood naphthalene levels for: P = Painters, M = Mechanics, C = Control. P = 0.168 for P vs C; P < 0.001 for M vs C; and P < 0.005 for M vs P.
