. Author manuscript; available in PMC: 2019 Jan 31.

Published in final edited form as: Anal Biochem. 2013 Jan 16;435(2):140–149. doi: 10.1016/j.ab.2012.12.021

Table 3.

ELISA measurements of BPDE-HSA in highway workers (archived specimens from [38; 39]).

	No.	No.	No.	BPDE-HSA (ng/mg HSA)^a
Characteristic	subjects	samples	excluded	Geo. mean	Min.	Max.
Job
Paving	28	56	4	1.55	0.475	13.9
Construction	9	24	8	1.53	0.346	6.08
Total	37	80	12	Fold change= 1.01
Season
Spring		8	0	1.15	0.620	2.15
Summer		31	5	1.37	0.475	5.99
Fall		15	7	1.29	0.346	4.56
Winter		26	0	2.39	0.556	13.9
Total	37	80	12	Fold change = 2.08^b
Task
Construction	9	16	4	1.18	0.346	5.99
Paver operator	4	6	1	1.20	0.475	2.15
Raker	15	21	0	1.29	0.525	4.56
Screedman	9	11	0	1.55	0.538	3.36
Total	37	54	5	Fold change = 1.31^c

Note that 1 ng/mg HSA is equivalent to 16.4 fmol BPDE equivalents/mg HSA.

P-value < 0.001.

P-value = 0.070.