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Table 4 Responses and test-retest reliability for the injurious falls circumstances questions, including the number and location of the injurious fall, type of injury sustained and medical treatment sought

From: Development of a Parkinson’s disease specific falls questionnaire

Injurious Falls Questions

Online Version (n = 30)

Paper Version (n = 16)

Combined Versions (n = 46)

Test

Retest

Test-retest reliability

Test

Retest

Test-retest reliability

Test

Retest

Test-retest reliability

Kappa

SE

Kappa

SE

Kappa

SE

Have you suffered an injurious fall in the past 12-months? n (%)

9 (30%)

9 (30%)

0.84

0.18

6 (38%)

6 (38%)

1.0

0.25

15 (33%)

15 (33%)

0.90

0.15

Number of injurious indoor falls; median (IQR)

2 (2–2)

2 (1–2)

0.56

0.26

2 (2–2)

2 (1–2)

0.63

0.26

2 (2–2)

2 (1–2)

0.59

0.19

Number of injurious outdoor falls; median (IQR)

1 (1–1)

1 (1–1)

1 (1–1)

1 (1–1)

1 (1–1)

1 (1–1)

Of the injurious indoor falls in the past 12-months, how many times did you see a healthcare professional? n (%) a

 1–2

3 (33%)

5 (56%)

0.63

0.27

3 (50%)

4 (66%)

0.67

0.39

6 (40%)

9 (60%)

0.65

0.21

 3–4

3 (33%)

1 (11%)

3 (50%)

2 (33%)

6 (40%)

3 (20%)

 5–6

1 (11%)

1 (11%)

0 (0%)

0 (0%)

1 (7%)

1 (7%)

 7–8

0 (0%)

0 (0%)

0 (0%)

0 (0%)

0 (0%)

0 (0%)

  ≥ 9

0 (0%)

0 (0%)

0 (0%)

0 (0%)

0 (0%)

0 (0%)

 Missing b

2 (23%)

2 (23%)

2 (13%)

2 (13%)

  

Of the injurious outdoor falls in the past 12-months, how many times did you see a healthcare professional? n (%) a

 1–2

0 (0%)

0 (0%)

0 (0%)

0 (0%)

 3–4

1 (11%)

0 (0%)

1 (7%)

0 (0%)

 5–6

0 (0%)

0 (0%)

0 (0%)

0 (0%)

 7–8

0 (0%)

0 (0%)

0 (0%)

0 (0%)

  ≥ 9

0 (0%)

0 (0%)

0 (0%)

0 (0%)

 Missing b

8 (89%)

9 (100%)

  

6 (100%)

6 (100%)

  

14 (93%)

15 (100%)

  

Most recent injurious falls

Fall 1: Did you suffer from any of the following injuries? n (%) c

n = 14

n = 14

  

n = 7

n = 7

  

n = 21

n = 21

  

  Cuts/abrasions

0 (0%)

0 (0%)

0.61

0.18

0 (0%)

0 (0%)

0.48

0.27

0 (0%)

0 (0%)

0.57

0.15

  Bruises

3 (21%)

3 (21%)

3 (43%)

4 (57%)

6 (30%)

7 (35%)

  Back Pain

7 (50%)

6 (43%)

2 (29%)

2 (29%)

9 (45%)

8 (40%)

  Muscle strain

3 (21%)

4 (29%)

1 (14%)

0 (0%)

4 (20%)

4 (20%)

  Joint dislocation

0 (0%)

0 (0%)

0 (0%)

0 (0%)

0 (0%)

0 (0%)

  Fracture

1 (7%)

1 (7%)

1 (14%)

1 (14%)

2 (5%)

2 (5%)

Fall 2: Did you suffer from any of the following injuries? n (%) c

n = 6

n = 6

  

n = 3

n = 3

  

n = 9

n = 9

  

  Cuts/abrasions

2 (33%)

2 (33%)

0.54

0.31

0 (0%)

0 (0%)

1.0

0.58

2 (22%)

2 (22%)

0.75

0.23

  Bruises

3 (50%)

3 (50%)

2 (67%)

2 (67%)

5 (56%)

5 (56%)

  Back Pain

1 (17%)

1 (17%)

0 (0%)

0 (0%)

1 (11%)

1 (11%)

  Muscle strain

0 (0%)

0 (0%)

1 (33%)

1 (33%)

1 (11%)

1 (11%)

  Joint dislocation

0 (0%)

0 (0%)

0 (0%)

0 (0%)

0 (0%)

0 (0%)

  Fracture

0 (0%)

0 (0%)

0 (0%)

0 (0%)

0 (0%)

0 (0%)

 Did you seek any medical treatment for the injuries? n (%) c

n = 17

n = 15

  

n = 8

n = 6

  

n = 25

n = 21

  

  Hospitalisation

8 (47%)

7 (47%)

0.86

0.22

3 (38%)

3 (50%)

0.96

0.33

11 (44%)

10 (48%)

0.89

0.18

  Stitches

1 (6%)

0 (0%)

1 (12%)

0 (0%)

2 (8%)

0 (0%)

  Dressing of injury

0 (0%)

0 (0%)

0 (0%)

0 (0%)

0 (0%)

0 (0%)

  X-ray/CT scan/MRI

4 (23%)

3 (20%)

3 (38%)

2 (33%)

7 (28%)

5 (24%)

  Physiotherapy/ occupational therapy

4 (23%)

5 (33%)

1 (12%)

1 (17%)

5 (20%)

6 (29%)

  1. aPercentages are based on the number of people who responded yes to suffering an injurious fall during test and retest for online (n = 9), paper (n = 6) and combined (n = 15)
  2. bData was entered as missing if participants provided an answer of “do not remember”, or if they did not provide any response
  3. cFor the questions concerning injuries and medical treatment following the most recent falls events, as participants could respond with multiple answers (e.g., bruises and back pain), percentages are based on the total number of responses provided for that question