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Table 2 Descriptive statistics for the 22-item Patient Perception Measure – Osteopathy (PPM-O)

From: Exploring the construct validity of the Patient Perception Measure – Osteopathy (PPM-O) using classical test theory and Rasch analysis

Item

Response options

Min

Max

Mean

Std. Dev.

1. The way that my osteopath explains my osteopathic treatment is

Poor, fair, good, very good, excellent

3

5

4.52

0.57

2. The way my osteopath answers all of my questions is

Poor, fair, good, very good, excellent

3

5

4.59

0.54

3. My osteopath treats me with respect

Never, rarely, sometimes, mostly, always

3

5

4.97

0.21

4. The instructions my osteopath gives me regarding my home exercise program are

Poor, fair, good, very good, excellent

1

5

4.30

0.71

5. Osteopathic treatment has helped my condition

Never, rarely, sometimes, mostly, always

3

5

4.40

0.60

6. The way my management plan was explained to me was

Poor, fair, good, very good, excellent

2

5

4.26

0.71

7. The osteopathic treatment I have received has improved my quality of life

Never, rarely, sometimes, mostly, always

2

5

4.34

0.65

8. As a result of osteopathic treatment, my general health is

Poor, fair, good, very good, excellent

2

5

3.89

0.72

9. During my treatment, the questions my osteopath asked were

Poor, fair, good, very good, excellent

3

5

4.34

0.63

10. After my osteopathic treatment I felt like my whole body was treated rather than just one area

Never, rarely, sometimes, mostly, always

2

5

4.25

0.79

11. Osteopaths at this clinic talk about the body’s ability to heal itself

Never, rarely, sometimes, mostly, always

1

5

3.80

0.94

12. Osteopathic treatment makes me feel vague

Never, rarely, sometimes, mostly, always

1

12

2.15

1.24

13. I cannot focus on tasks after my osteopathic treatment

Never, rarely, sometimes, mostly, always

1

5

1.86

0.92

14. I feel calmer after my osteopathic treatment

Never, rarely, sometimes, mostly, always

1

5

4.28

0.72

15. Osteopathic treatment makes no difference to my frame of mind

Never, rarely, sometimes, mostly, always

1

5

2.14

1.11

16. How helpful is osteopathic treatment in managing your condition

Poor, fair, good, very good, excellent

2

5

4.22

0.69

17. I feel sad after osteopathic treatment

Never, rarely, sometimes, mostly, always

1

5

1.22

0.58

18. I feel tired after osteopathic treatment

Never, rarely, sometimes, mostly, always

1

5

2.48

1.04

19. I am anxious after osteopathic treatment

Never, rarely, sometimes, mostly, always

1

3

1.16

0.38

20. I feel alone after osteopathic treatment

Never, rarely, sometimes, mostly, always

1

4

1.11

0.37

21. I feel less pain after osteopathic treatment

Never, rarely, sometimes, mostly, always

1

5

4.05

0.81

22. I find it hard to concentrate after my osteopathic treatment

Never, rarely, sometimes, mostly, always

1

4

1.82

0.88

  1. Note: negatively phrased items are in italics and require rescoring prior to analysis.
  2. Legend – response option scoring.
  3. Poor (1), fair (2), good (3), very good (4), excellent (5).
  4. Never (1), rarely (2), sometimes (3), mostly (4), always (5).
  5. NB these scores are reversed for negatively phrased items.