Table 3.

Association between prevalent T2DM and mtDNA-CN using linear regression models.

Dependent variable: mtDNA-CN	Univariate		Adjusteda
	β (p value)	95% CI	β (p value)	95% CI
Prevalent T2DM (yes vs. no)	− 7.36 (0.003)	− 12.2; − 2.5	− 4.81 (0.06)	− 9.8; 0.17
Age	− 0.51 (0.009)	− 0.90; − 0.13	− 0.43 (0.03)	− 0.83; − 0.04
BMI	− 0.30 (0.03)	− 0.56; − 0.03	− 0.26 (0.06)	− 0.54; 0.01
Smoker (yes or former vs. no)	− 7.62 (< 0.0001)	− 10.3; − 4.92	− 7.63 (< 0.0001)	− 10.4; − 4.90
Education (≤ 9 years vs. ≥ 10 years)	− 3.86 (0.001)	− 6.0; − 1.7	− 2.68 (0.02)	− 4.9; − 0.46
Activity at home (low vs. high)	− 1.87 (0.10)	− 4.09; 0.34	1.10 (0.34)	− 1.1; 3.3

^aAdjusted for all variables (prevalent T2DM, age, BMI, smoking, education and activity at home).

Cancer at or before baseline were excluded.