Table 3 Identification of differences between clusters

External

1.2 ± 0.4^{a, b}

3.8 ± 1.2^{a, c}

1.5 ± 0.6^{b, c}

< 0.001

Median

Introjected

2.4 ± 0.8^{a, b}

4.7 ± 0.9^a

4.3 ± 1.1^b

< 0.001

ANOVA

Identified

5.2 ± 0.9^a

5.2 ± 1.2^b

6.6 ± 0.5^{a, b}

< 0.001

Median

Intrinsic

3.8 ± 0.9^a

4.2 ± 1.0^b

5.6 ± 0.8^{a, b}

< 0.001

ANOVA

RAI

8.0 ± 2.3^{a, b}

1.4 ± 4.1^{a, c}

10.6 ± 2.5^{b, c}

< 0.001

KW

age

57.0 ± 14.7

61.8 ± 17.1

53.4 ± 12.7

0.105

ANOVA

Duration of pain

7.4 ± 7.9^a

12.5 ± 8.1^{a, b}

7.9 ± 9.6^b

0.029

KW

Previously completed physiotherapy sessions

4.8 ± 4.2^a

10.5 ± 8.7^{a, b}

5.0 ± 5.5^b

0.045

KW

BMI

29.4 ± 5.0

31.6 ± 5.9^a

27.5 ± 5.0^a

0.018

ANOVA

RMQ

6.4 ± 3.6^a

11.5 ± 4.9^{a, b}

8.1 ± 4.6^b

0.005

KW

Sex

 female

18

10

39

0.443

Pearson

 male

14

5

17

Education level

 Primary

5

4

6

0.500

Pearson

 Secondary

20

9

34

 University

7

2

16

Financial distress

 no

29

14

53

0.862

Fisher

 yes

3

1

3