Reliability and Validity of Fall Efficacy Scale-International in People with Parkinson’s Disease during On- and Off-Drug Phases

Table 3

Factor analysis for Fall Efficacy Scale-International (FES-I) in people with idiopathic Parkinson’s disease ().

On-drug phase			Off-drug phase
Item of FES-I	Component (factor)		Item of FES-I	Component (factor)
	1	2		1
14	0.87		8	0.90
15	0.85		4	0.89
11	0.84		5	0.89
9	0.69		12	0.88
13	0.68		15	0.88
7	0.67		16	0.88
8	0.66		3	0.87
16	0.65		13	0.87
3		0.81	14	0.87
1		0.75	1	0.86
10		0.74	6	0.84
2		0.70	7	0.84
4		0.64	9	0.83
6		0.62	10	0.82
5		0.60	11	0.82
12		0.59	2	0.80

1: cleaning the house. 2: getting dressed or undressed. 3: preparing simple meals. 4: taking a bath or shower. 5: going to the shop. 6: getting in or out of a chair. 7: going up or down stair. 8: walking around in the neighborhood. 9: reaching for something above your head or on the ground. 10: going to answer the telephone before it stops ringing. 11: walking on a slippery surface. 12: visiting a friend or relative. 13: walking in a place with crowds. 14: walking on an uneven surface. 15: walking up or down a slope. 16: going out to a social event.