Table 2 Prevalence OR^a of any headache, migraine and non-migrainous headache related to status of confirmed non-demented or four different groups dementia

Total number

16,443

6673

OR (95 % CI)

2003

OR (95 % CI)

4670

OR (95 % CI)

Unselected HUNT-population

15,601

6409

1.0 (Ref.)

1970

1.0 (Ref.)

4439

1.0 (Ref.)

Confirmed non-demented

96

25

0.62 (0.39–0.98)

11

0.89 (0.46–1.72)

14

0.50 (0.28–0.89)

Dementia, all types

746

239

1.24 (1.04–1.49)

22

0.44 (0.28–0.70)

217

1.49 (1.24–1.80)

 Alzheimer’s disease

381

112

1.07 (0.95–1.37)

11

0.40 (0.22–0–77)

101

1.29 (1.00–1.67)

 Vascular dementia

121

46

1.56 (1.06–2.36)

7

0.97 (0.43–2.16)

39

1.74 (1.16–2.61)

 Mixed dementia

69

25

1.70 (1.02–2.84)

3

0.79 (0.24–2.60)

22

1.99 (1.17–3.38)

 Other types of dementia

175

56

1.24 (0.89–1.74)

1

0.09 (0.01–0.62)

55

1.60 (1.14–2.25)