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Table 5 Scoring distribution and data completeness of modified Survey of Activities and Fear of Falling in the Elderly (time 1 data)

From: Psychometric properties of four fear of falling rating scales in people with Parkinson’s disease

Items

Activity

Mean (SD) n = 102

Missing or invalid responses

Corrected item-total correlations n = 86a

1.

Walk to the store and shop

1.7 (0.8)

3

0.87

2.

Clean your house

1.6 (0.7)

1

0.77

3.

Prepare simple meals

1.3 (0.5)

1

0.58

4.

Go to the doctor or dentist

1.2 (0.4)

1

0.59

5.

Take a bath

1.5 (0.7)

7

0.61

6.

Take a shower

1.3 (0.5)

-

0.54

7.

Go for a walk

1.5 (0.6)

-

0.75

8.

Go out when it is slippery

2.2 (0.7)

-

0.64

9.

Visit a friend or relative

1.4 (0.6)

3

0.81

10.

Walk to a place with crowds

1.8 (0.7)

1

0.76

11.

Climb stairs

1.6 (0.7)

-

0.78

12.

Walk around indoors

1.1 (0.3)

1

0.57

13.

Walk a kilometer

1.8 (0.8)

1

0.74

14.

Bend down to pick up something

1.6 (0.6)

-

0.68

15.

Travel by public transport

1.7 (0.8)

3

0.71

16.

Attend a social event or party

1.5 (0.6)

-

0.68

17.

Reach for something above your head

1.7 (0.7)

-

0.60

Total score (n = 86)

26.0 (7.9)

 Min-Max

17–47

 Skewness (SE)

0.80 (0.26)

 Floor/ceiling effects (%)

10.5/0

  1. SE = standard error.
  2. aSixteen persons did not answer all 17 items and did therefore not receive a total score.
  3. Possible item score range 1–3, possible total score range 17–51, higher = worse.