Table 6 The relationship between dental status and biochemical measures of nutritional status

Retinol μmol/L

DEN

1.92

0.49

Ref

Ref

Ref

Ref

Ref

Ref

D-DEN

1.91

0.54

−0.01

−0.12, 0.10

0.863

−0.00

−0.11, 0.10

0.941

E-DEN

1.85

0.55

−0.07

−0.18, 0.05

0.272

− 0.07

−0.19, 0.06

0.305

Vitamin B6 PLP n/mol/L^a

DEN

41.20

26.55, 59.53

Ref

Ref

Ref

Ref

Ref

Ref

D-DEN

40.12

25.00, 59.00

−1.03

−1.17, 1.11

0.688

1.01

−1.13, 1.14

0.907

E-DEN

29.07

18.15, 43.45

−1.42

−1.63, − 1.23

< 0.001

−1.27

− 1.47, − 1.10

0.001

Vitamin B12 pmol/L

DEN

269.61

104.67

Ref

Ref

Ref

Ref

Ref

Ref

D-DEN

269.86

99.64

0.25

−21.10, 21.59

0.982

2.74

−18.23, 23.72

0.797

E-DEN

254.93

107.56

−14.68

−37.49, 8.13

0.207

−5.32

−29.19, 18.55

0.662

Vitamin C μmol/L

DEN

49.76

21.52

Ref

Ref

Ref

Ref

Ref

Ref

D-DEN

51.70

21.40

1.94

−2.58, 6.45

0.400

2.91

−1.32, 7.13

0.177

E-DEN

39.05

21.06

−10.71

−15.57, − 5.85

< 0.001

−6.42

− 11.26, − 1.58

0.009

25-OH-D nmol/L

DEN

44.34

22.10

Ref

Ref

Ref

Ref

Ref

Ref

D-DEN

43.62

20.74

−0.72

−5.25, 3.80

0.754

0.25

−4.05, 4.56

0.909

E-DEN

39.97

23.38

−4.37

−9.28, 0.53

0.081

−2.25

−7.22, 2.73

0.375

β-Carotene μmol/L^a

DEN

0.43

0.28, 0.69

Ref

Ref

Ref

Ref

Ref

Ref

D-DEN

0.41

0.27, 0.62

−1.05

−1.12, 1.02

0.145

− 1.04

−1.11, 1.03

0.293

E-DEN

0.34

0.24, 0.52

−1.14

−1.23, − 1.06

< 0.001

−1.10

− 1.19, − 1.02

0.015

Ferritin μg/L^a

DEN

80.41

43.00, 164.50

Ref

Ref

Ref

Ref

Ref

Ref

D-DEN

82.07

44.25, 153.75

1.02

1.19, 1.24

0.836

1.08

−1.13, 1.30

0.448

E-DEN

74.47

43.50, 143.50

−1.08

−1.19, 1.24

0.470

1.02

−1.22, 1.27

0.863