A panel study of occupational exposure to fine particulate matter and changes in DNA methylation over a single workday and years worked in boilermaker welders

Table 6 Association between years as a boilermaker and methylation of Alu, LINE-1 and iNOS measured in only in pre-shift whole blood samples

		Unadjusted regression				Adjusted regression¹
Global DNA Methylation	N	β	SE	p-value	N	β	SE	p-value
Alu (%5mC)	42	-0.001	0.004	0.13	40	-0.02	0.005	0.002
LINE-1 (%5mC)	42	0.02	0.02	0.24	40	0.03	0.02	0.15
Gene specific DNA Methylation
iNOS (%5mC)	38	0.03	0.01	0.007	36	0.04	0.02	0.02

ISSN: 1476-069X