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 5 Association between years as a boilermaker and methylation of Alu, LINE-1 and iNOS measured in all whole blood samples

		Unadjusted regression				Adjusted regression¹
Global DNA Methylation	N	β	SE	p-value	N	β	SE	p-value
Alu (%5mC)	77	-0.002	0.004	0.66	73	-0.01	0.005	0.05
LINE-1 (%5mC)	77	0.005	0.01	0.64	73	0.01	0.01	0.28
Gene specific DNA Methylation
iNOS (%5mC)	70	0.02	0.01	0.006	66	0.03	0.01	0.02

ISSN: 1476-069X