Table 1.

Baseline Variables and Associated Risk for Falls

Variable	Value	Risk Ratio (95% confidence interval)*	p Value
Age, y (mean ± SD)	80.5 ± 5.4	1.03 (1.00–1.05)	.02
Female, %	62	1.24 (0.96–1.60)	.10
Education, y (mean ± SD)	13.9 ± 3.4	1.02 (0.98–1.05)	.36
Illness index (mean ± SD)	1.3 ± 1.1	0.97 (0.89–1.07)	.58
Medication count (mean ± SD)	5.1 ± 3.8	1.00 (0.97–1.03)	.85
Fall previous 12 mo, %	33	1.21 (0.93–1.57)	.16
Disability score (mean ± SD)	0.7 ± 1.3	1.11 (1.03–1.20)	.009
Blessed test (mean ± SD), range 0–32	2.2 ± 2.4	1.01 (0.96–1.06)	.63
GDS† (mean ± SD), range 0–15	2.3 ± 2.2	1.03 (0.98–1.08)	.31
Visual acuity <1/200, %	26	0.78 (0.57–1.07)	.12
Clinical gait abnormality, %	35	1.43 (1.11–1.83)	.005
Unipedal stance, s (mean ± SD)	7.0 ± 8.6	0.99 (0.97–1.00)	.10
Repeated chair rise, s (mean ± SD)	14.2 ± 4.8	1.01 (0.98–1.04)	.68

Notes: ^*Risk ratios are for univariate (unadjusted) associations of clinical variables with fall risk derived using the generalized estimating equation models described in the Methods section.

^†Geriatric depression scale (24).