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

BMC Geriatrics

Table 2 Scoring distribution and data completeness of Falls Efficacy Scale-International (time 1 data)

Items	Activity	Mean (SD) n = 101^a	Missing or invalid responses	Corrected item-total correlations n = 92^b
1.	Cleaning the house	2.0 (1.1)	2	0.85
2.	Getting dressed or undressed	1.5 (0.8)	1	0.65
3.	Preparing simple meals	1.4 (0.8)	2	0.61
4.	Taking a bath or shower	1.6 (1.0)	-	0.76
5.	Buying some groceries	1.7 (1.1)	1	0.82
6.	Getting in or out of a chair	1.7 (0.8)	2	0.59
7.	Climbing stairs	2.0 (1.0)	1	0.85
8.	Walking around in the neighbourhood	1.7 (0.9)	-	0.79
9.	Reaching for something above your head or on the ground	2.0 (1.0)	1	0.77
10.	Answering the telephone before it stops ringing	1.7 (0.9)	2	0.75
11.	Walking on a slippery surface	2.7 (1.0)	-	0.75
12.	Visiting acquaintances, friends or relatives	1.7 (0.9)	1	0.78
13.	Walking in crowds	1.9 (1.0)	-	0.74
14.	Walking on an uneven surface	2.3 (1.1)	1	0.81
15.	Walking up or down a slope	2.3 (1.1)	-	0.76
16.	Participating in a social event	1.7 (0.9)	-	0.72
Total score (n = 92)		29.6 (12.0)
Min-Max		16–59
Skewness (SE)		0.72 (0.25)
Floor/ceiling effects (%)		9.8/0

SE = standard error.
^aOne person left the questionnaire blank. This person is not included in the missing data.
^bNine persons did not answer all 16 items and did therefore not receive a total score.
Possible item score range 1–4, possible total score range 16–64, higher = worse.

ISSN: 1471-2318