Table 1 Patient baseline characteristics and psychometric properties

Number of patients (n)

15

15

Mean age (SD) [min/max] (yr)

47,5 (11,0) [22/62]

49,1 (12,8) [28/64]

Male/female (n)

4/11

4/11

Duration of pain (yr)

9,7

6,6

SCL-90 psychoneurotism (SD)

146,3 (29,8)

135,4 (25,0)

Mean VAS/4 weeks (SD)

68,1 (12,7)

76,5 (16,6)

Days headache/4 weeks (SD)

25,9 (5,0)

19,0 (9,3)

Medicine use/week (SD)

6,7 (5,0)

5,8 (8,3)

Headache intensity/week (SD)

2,1 (0,4)

1,9 (0,4)

Rand-36 (SD):

PF

70,0 (21,4)

57,0 (24,6)

SF

71,7 (18,0)

59,2 (23,4)

RP

31,7 (34,7)

36,7 (35,2)

RE

64,4 (38,8)

66,7 (35,6)

MH

65,3 (16,2)

69,6 (16,8)

VI

53,7 (24,3)

45,3 (15,2)

BP

41,8 (19,4)

38,1 (18,5)

GH

58,7 (21,0)

54,7 (18,5)

MPI (SD):

Pain severity

45,6 (9,6)

36,8 (13,6)

Interference

42,0 (14,1)

44,6 (15,9)

Life control

55,0 (8,4)

58,0 (9,2)

Affective distress

48,0 (9,6)

41,9 (9,8)

Support

52,5 (9,8)

51,8 (8,6)

Punishing responses

48,1 (9,5)

45,5 (7,1)

Solicitous responses

53,3 (10,8)

51,3 (10,4)

Distracting responses

50,4 (13,2)

46,5 (9,4)

Household chores

48,4 (9,9)

48,5 (11,1)

Outdoor work

53,5 (9,4)

56,5 (15,9)

Social activities

54,4 (12,0)

52,7 (12,0)

General activity

52,8 (12,0)

53,9 (12,0)