Table 6 Association of self-reported frequent headache with other variables

Constant

–

−0.81 (0.44)

–

–

0.06

Sleep bruxism

Yes

1.71 (0.49)

5.51

2.10–14.45

< 0.01

No (reference)

–

–

–

HADS- anxiety score

Abnormal

0.51 (0.68)

1.66

0.44–6.27

0.45

Borderline

−0.10 (0.84)

0.90

0.17–4.68

0.90

Normal (reference)

–

–

–

0.72

HADS- depression score

Abnormal

−1.11 (0.79)

0.33

0.07–1.53

0.16

Borderline

−0.94 (0.64)

0.39

0.11–1.36

0.14

Normal (reference)

–

–

–

0.19