Table 1 Sample characteristics at the time of admission

Mean

SD

Mean

SD

P-value

Age, years

44.7

8.0

45.1

8.0

0.83

n

%

n

%

Marital Status

  Single

10

24.4%

13

20.6%

0.61

  Married or co-habiting

26

63.4%

39

61.9%

0.46

  Separated or divorced

4

9.8%

10

15.9%

  Widowed

1

2.3%

1

1.6%

Education

  Less than high school

2

4.9%

0

0.0%

  High school/Trade school

13

31.7%

16

25.4%

0.48

  College

13

31.7%

37

58.7%

0.007

  University

12

29.3%

10

15.9%

0.10

  Missing

1

2.4%

0

0.0%

  Pain Duration

0.88

  3 – 6 months

4

9.8%

8

12.7%

  7 – 12 months

15

36.6%

21

33.3%

  12 – 24 months

22

53.7%

34

54.0%

Medication

  NSAIDs

26

63.4%

32

50.8%

0.21

  Opioid

6

14.6%

9

14.3%

0.96

  Antidepressant

8

19.5%

7

11.1%

0.14

Secondary treatment

  Physiotherapy

3

7.3%

1

1.6%

  Occupational therapy

3

7.3%

5

7.9%

  Psychotherapy

0

0.0%

1

1.6%

Mean

SD

Range Mean

SD Range

  MPQ-SF (0 – 45)

17.6

8.7

(6 – 44) 19.0

9.2 (7 – 42)

0.40

  FM (0 – 10)

7.4

2.3

(0—10) 7.7

2.0 (0 – 10)

0.47