Table 3.

Associations between occupational groups and blood pressure in different mtDNA function groups^a

	mtDNA function group (D-loop)b						mtDNA function group (MT-TF) c
	Low			High			Low			High
Outcome	N	Beta (95% CI)	p	N	Beta (95% CI)	p	N	Beta (95% CI)	p	N	Beta (95% CI)	p
Systolic blood pressure	100	11.32 (6.61, 15.91)	<0.001	106	3.34 (−1.18, 7.85)	0.15	107	12.31 (7.93, 16.69)	<0.001	108	1.11 (−3.51, 5.73)	0.63
Diastolic blood pressure	100	3.53 (0.18, 6.88)	0.039	106	3.64 (0.28, 7.00)	0.034	107	3.00 (−0.38, 6.38)	0.081	108	2.39 (−0.96, 5.73)	0.16

^aThe model included age, BMI, family history of cardiovascular disease, smoking history, and current residence as adjustments

^bDerived from unmethylated D-loop and relative mtDNA copy number. Two groups stratified by median

^cDerived from unmethylated MT-TF and relative mtDNA copy number. Two groups stratified by median