Model 1

Model 2

Residual determinants

Adjusted OR

95% CI

P-value

Adjusted OR

95% CI

P-value

Iron levels, µmol/L

1st tertile (<13.6)

1.00 (Reference)

-

-

1.00 (Reference)

-

-

2nd tertile (13.6 - 18.8)

1.07

0.30 - 3.77

0.922

0.76

0.19 - 2.96

0.691

3rd tertile (>18.8)

2.63

0.81 - 8.59

0.110

2.20

0.62 - 7.73

0.221

P for trend

-

-

0.186

-

-

0.223

Potassium levels, mmol/L

1st tertile (<4.4)

1.00 (Reference)

-

-

1.00 (Reference)

-

-

2nd tertile (4.4 - 4.8)

0.59

0.23 - 2.08

0.505

0.56

0.17 - 1.86

0.344

3rd tertile (>4.8)

0.30

0.08 - 1.21

0.091

0.17

0.04 - 0.82

0.027

P for trend

-

-

0.238

-

-

0.086

Exposure duration, years

1st tertile (<8.0)

1.00 (Reference)

-

-

1.00 (Reference)

-

-

2nd tertile (8.0 - 14.0)

1.20

0.34 - 4.25

0.778

0.62

0.15 - 2.60

0.514

3rd tertile (>14.0)

4.28

1.40 - 13.15

0.011

3.72

1.18 - 13.1

0.041

P for trend

-

-

0.011

-

-

0.010