Table 3: Socio-demographic and disease-relevant data.

 

Low back pain

Fibromyalgia

 

ZISP 1

(n = 173)

ZISP 2

(n = 257)

 

ZISP 1

(n = 118)

ZISP 2

(n = 131)

 

Characteristic

n

%

n

%

p

n

%

n

%

p

Female

133

76.9

164

63.8

< 0.001

114

96.6

112

85.5

0.003

Living with partner/o. person

133

76.9

187

72.8

0.169

89

75.4

104

79.4

0.454

Educational attainment level

       

0.219

 

 

 

 

0.132

   Basic school (8-9 years)

53

30.6

61

23.7

 

33

28.0

28

21.4

 

   Vocational training

89

51.4

138

53.7

 

66

55.9

69

52.7

 

   College/high school/university

31

17.9

58

22.6

 

19

17.9

34

26.0

 

Comorbidities

       

0.030

 

 

 

 

< 0.001

   none

16

9.2

20

7.8

 

16

13.6

6

4.6

 

   1

42

24.3

58

22.6

 

34

28.8

9

6.9

 

   2

47

27.2

51

19.8

 

40

33.9

22

16.8

 

   3

36

20.8

45

17.5

 

18

15.3

23

17.6

 

   ≥ 4

32

18.5

83

32.3

 

10

8.5

71

54.2

 

Age (years): mean (sd)

47.0

(12.7)

48.3

(11.8)

0.273

46.0

(10.0)

49.0

(9.9)

0.014

   minimum-maximum

21.4

-79.7

20.5

-77.1

 

19.8

-67.3

18.2

-65.8

 

BMI (kg/m2): mean (sd)

25.7

(4.8)

27.4

(5.3)

0.001

25.3

(4.6)

28.2

(6.2)

< 0.001

   minimum-maximum

15.6

-44.7

17.3

-46.6

 

17.4

- 41.1

16.9

-52.1

 

MPI Pain severity: mean (sd)

65.2

(19.9)

75.1

(14.9)

< 0.001

65.0

(18.7)

78.2

(14.4)

< 0.001

Legend: n: number of subjects; sd: standard deviation; o: other; BMI: Body Mass Index; kg: kilogram; m: meter; MPI: Multidimensional Pain Inventory (0 = no, 100 = maximal pain); ZISP = Zurzach Interdisciplinary (Schmerz) Pain Program (samples 1 and 2); p = type I error of the comparison of sample ZISP 1 versus ZISP 2