Table 1 Demographic and baseline statistics by treatment group. AR = active rehabilitation; MT = manual therapy; NSLBP = non-specific low back pain; VAS = visual analogue scale; PRI = pain rated index; RMQ Roland Morris Questionnaire.

Number

19

20

Age (range, median, mean ± sd)

18–63, 42

29–66,48

0.401

43.0 ± 13.3

46.4 ± 12.1

Gender (male : female)

8 male : 11 female

12 male : 8 female

0.351

Employment status

11 employed

14 employed

0.396

1 unemployed

0 unemployed

6 retired

3 retired

1 sick leave

3 sick leave

Chronicity (weeks since onset of NSLBP)

7–312, 20

7–208, 24

0.355

Range, median, Mean ± sd

47.8 ± 71.4

41.8 ± 46.2

Linton & Hallden Score

61–149, 106

60–150, 103.5

0.989

Range, median, mean ± sd

105.7 ± 23.7

106.3 ± 24.6

High or low

9 low, 10 high

10 low, 10 high

VAS (Range, median, Mean ± sd)

2–100, 42

2–70, 46.5

0.934

41 ± 25.3

41.6 ± 18.9

PRI (Range, median, Mean ± sd)

1–25, 11

2–38,15

0.235

11.7 ± 6.3

15.1 ± 8.9

RMQ (Range, median, Mean ± sd)

2–17, 9

2–21, 7

0.270

9.2 ± 4.3

8.0 ± 5.3