|  | Chronic headache patients | Normal controls | ||
---|---|---|---|---|---|
Scale | Maximum possible score | M | SD | M | SD |
Fear of illness and death | 36 | 12.11 | 5.80 | 5.07 | 4.11 |
Treatment experience | 16 | 11.63 | 2.44 | 5.45 | 3.00 |
Hypochondriacal beliefs | 12 | 2.26 | 1.83 | 0.24 | 0.58 |
Effect of symptoms | 16 | 9.37 | 2.48 | 1.03 | 1.43 |