Table 2 Associations between exposure and relative mtDNA copy number, D-loop and MT-TF methylation in adjusted models^a

 Welders vs. controls^b

228

0.11 (0.037, 0.18)

0.0032

211

−1.4 (−2.3, −0.5)

0.0021

220

−1.5 (−2.5, −0.48)

0.0038

 Respirable dust^c

101

0.017 (−0.018, 0.052)

0.33

92

0.012 (−0.47, 0.50)

0.96

97

0.097 (−0.32, 0.51)

0.64

 Respirable dust (<=0.7 mg/m³)^{c, d}

57

−0.031 (−0.47, 0.41)

0.89

54

−0.42 (−4.76, 3.9)

0.85

56

2.9 (−2.2, 8.1)

0.26

 Respirable dust (>0.7 mg/m³)^{c, d}

41

0.037 (−0.00075, 0.075)

0.054

38

−0.043 (−0.85, 0.76)

0.92

41

0.17 (−0.29, 0.63)

0.46

 Working years^e

100

−0.0027 (−0.010, 0.0049)

0.49

93

0.061 (−0.053, 0.16)

0.29

99

−0.013 (−0.10, 0.076)

0.77