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. 2018 Mar 27;17:29. doi: 10.1186/s12940-018-0375-0

Table 4.

Differences of post-working relative mtDNAcn and TL in three occupational groups

	Post-working mtDNAcn				Post-working TL
	Partly adjusted^a		Fully adjusted^b		Partly adjusted^a		Fully adjusted^b
Occupational groups	β (95% CI)	p	β (95% CI)	p	β (95% CI)	p	β (95% CI)	p
Conventional asphalt	0.14 (0.076, 0.20)	< 0.001	0.21 (0.13, 0.29)	< 0.001	−0.029 (− 0.10, 0.046)	0.45	− 0.017 (− 0.12, 0.085)	0.74
CRM asphalt	0.084 (0.0018, 0.17)	0.045	0.13 (0.033, 0.24)	0.010	0.045 (−0.054, 0.14)	0.37	0.064 (−0.065, 0.19)	0.33
Controls	0	–	0	–	0	–	0	–
All asphalt workers	0.12 (0.065, 0.18)	< 0.001	0.20 (0.12, 0.28)	< 0.001	−0.0084 (− 0.079, 0.062)	0.82	0.0011 (− 0.098, 0.10)	0.98
Controls	0	–	0	–	0	–	0	–

^aPartly adjusted linear regression model: only adjusted for age

^bFully adjusted linear regression model: adjusted for age, BMI, smoking and snus status, cigarette pack-year and investigation season