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Table 2 Baseline data for study sample and dropouts

From: Do psychological and behavioral factors classified by the West Haven-Yale Multidimensional Pain Inventory (Swedish version) predict the early clinical course of low back pain in patients receiving chiropractic care?

Variable

Study sample (n = 329)

Dropouts (n = 337)

Number of subjects, %

49.4

50.6

Age A, mean (n)

44.5 (156) A

- A

Female, % (n)

63.8 (210)

53.4 (180)

Neck and/or thoracic pain ≤ 30 days, % (n)

28.3 (93)

27.3 (92)

Neck and/or thoracic pain >30 days, % (n)

33.7 (111)

24.3 (82)

Thigh, lower leg and low back pain, % (n)

25.2 (83)

23.7 (80)

Living alone, % (n)

0.9 (3)

13.4 (45)

Never visited chiropractor before, % (n)

49.5 (163)

51.3 (173)

Takes medication for their pain, % (n)

21.6 (71)

- B

EQ5D, mean (SD)

.67 (.21)

.66 (.23)

RMDQ A, mean (n; SD)

5.44 (159; 4.22) A

-

Patients perceived health in general, % (n)

Perfect

4.9 (16)

4.1 (13)

Very good

32.8 (108)

32.5 (103)

Good

42.2 (139)

41.0 (130)

Fair

16.1 (53)

18.6 (59)

Poor

3.6 (12)

3.8 (12)

Patient expectation of improvement 0–10, mean (SD)

8.03 (2.06)

7.56 (2.33)

  1. A Variable was only available for the subjects enrolled into the RCT; B Data were recorded at the 4th visit; RMDQ, Roland Morris Disability Questionnaire