Table 3 Regression analyses with child 25(OH)D levels and oral health outcomes

Caries experience primary and permanent teeth (d_1-5mft/D_1-5MFT)

 Insufficient (< 50 nmol/l)

1.81 (0.69–4.80)

p = 0.23

1.94 (0.67–5.61)

p = 0.23

1.49 (0.44–5.03)

p = 0.52

1.01 (0.14–7.06)

p = 0.99

 Sufficient (≥50 nmol/l)

Ref

Ref

Ref

Ref

 Continuous 25(OH)D (per 25 unit decrease)

1.10 (0.53–2.27)

p = 0.80

1.15 (0.53–2.50)

p = 0.72

2.22 (0.96–5.26)

p = 0.06

2.94 (0.73–12.5)

p = 0.13

MIH**

 Insufficient (< 50 nmol/l)

1.45 (0.57–3.69)

p = 0.44

1.19 (0.43–3.29)

p = 0.74

1.24 (0.55–2.76)

p = 0.61

0.81 (0.33–1.97)

p = 0.64

 Sufficient (≥50 nmol/l)

Ref

Ref

Ref

Ref

 Continuous 25(OH)D (per 25 unit decrease)

1.45 (0.74–2.86)

p = 0.28

1.45 (0.70–2.94)

p = 0.32

0.93 (0.51–1.69)

p = 0.82

0.68 (0.34–1.33)

p = 0.26