Research Article

Predictive Factors of Concerns about Falling in People with Parkinson’s Disease: A 3-Year Longitudinal Study

Table 2

FES-I scores (including Cronbach α and SEM), N = 151.

FES-I itemBaseline mean (SD)3-year follow-up mean (SD)

1. Cleaning the house1.84 (1.03)2.17 (1.14)
2. Getting dressed/undressed1.60 (0.749)1.91 (1.01)
3. Preparing simple meals1.46 (0.728)1.79 (0.982)
4. Taking a bath or shower1.63 (0.861)1.91 (1.05)
5. Going to the shop1.62 (0.895)2.00 (1.16)
6. Getting in or out of a chair1.74 (0.875)1.95 (0.958)
7. Going up or down stairs1.76 (0.985)2.10 (1.09)
8. Walking around outside1.62 (0.885)1.88 (1.03)
9. Reaching up or bending down1.90 (0.998)2.22 (1.10)
10. Answering the telephone1.54 (0.755)1.85 (1.03)
11. Walking on a slippery surface2.36 (1.05)2.67 (1.11)
12. Visiting a friend/relative1.56 (0.829)1.77 (0.925)
13. Walking in a place with crowds1.83 (0.929)2.09 (1.05)
14. Walking on an uneven surface2.05 (0.968)2.46 (1.09)
15. Walking up or down a slope1.96 (1.03)2.36 (1.13)
16. Going out to a social event1.69 (0.891)1.93 (1.02)
FES-I total score28.1 (11.9)33.1 (14.0)1
Internal consistency (Cronbach α)0.9670.970
Standard error of measurement (SEM)2.362.25

FES-I = Falls Efficacy Scale-International. Possible item score ranges from 1 to 4, possible total score ranges from 16 to 64, higher = worse. SEM = SDpooled × . SDpooled = . , Paired samples t test.