Table 3.

Principal component analysis with eligible components and their predicted risk of falling, expressed as odds ratios (OR), n = 1763

	Component and factor loading
Risk factors	Reduced mobility	Heart dysfunction	Functional impairment
Indoor adaptation	.66
Osteoarthritis of hip and/or knee	.63
Low walking speed	.58
Impaired mobility	.41
Heart disease		-.78
Heart failure with symptoms		-.71
Use of fall risk drugs		-.59
Dependence in pADL			.87
Nocturia			.85
OR for falling	2.12	1.66	1.38
(95% CI)	(1.54 - 2.91)	(1.26 - 2.20)	(1.01 - 1.88)