Table 3 Association of sleep bruxism with vitamin D and other variable

Constant

–

−3.95 (0.94)

–

–

< 0.001

Self-reported frequent headache

Yes

2.22 (0.62)

9.24

2.74–31.21

< 0.001

No (reference)

–

–

–

HADS- anxiety score

Abnormal

1.44 (0.83)

4.20

0.83–21.22

0.08

Borderline

2.05 (1.12)

7.74

0.86–69.29

0.07

Normal (reference)

–

–

–

0.07

HADS- depression score

Abnormal

1.60 (1.09)

4.97

0.59–42.11

0.14

Borderline

0.48 (0.70)

1.62

0.41–6.35

0.49

Normal (reference)

–

–

–

0.31

Daily dietary calcium intake (mg/day)

< 323 mg/day

1.78 (0.71)

5.94

1.47–23.99

0.01

324–600 mg/day

−0.38 (0.70)

0.68

0.17–2.68

0.59

> 600 mg/day (reference)

–

–

–

0.01

Serum 25-hydroxyvitamin D (ng/mL)

Deficient

1.90 (0.83)

6.66

1.31–33.85

0.02

Insufficient

2.46 (0.77)

11.69

2.57–53.18

< 0.01

Sufficient (reference)

–

–

–

0.01