Table 3.

The adjusted association between IADL stage limitation and history of falling.

Predictor Variables	Number of Falls
	Fall 1 time (N=814)		Fall > 1 time (N=662)
IADL stage (ref: stage 0)		<.0001		<.0001
Stage I	1.2 (1.0-1.6)	.07	2.1 (1.7-2.6)	<.0001
Stage II	2.0 (1.5-2.6)	<.0001	4.0 (3.0-5.3)	<.0001
Stage III	1.8 (1.3-2.6)	<.01	3.7 (2.8-5.0)	<.0001
Stage IV	0.5 (0.2-1.1)	.09	2.7 (1.5-4.9)	<.01
Gender (ref: male)
Female	1.4 (1.2-1.7)	<.01	0.9 (0.7-1.1)	.39
Race (ref: white)		.09		.72
Black	0.8 (0.5-1.0)	.07	0.9 (0.6-1.2)	.42
Other	0.7 (0.4-1.1)	.13	1.0 (0.6-1.6)	.92
Age, yrs (ref: 70-74)		.12		.04
75-79	1.1 (0.9-1.4)	.17	1.0 (0.8-1.3)	.83
80-84	1.2 (0.9-1.5)	.23	1.3 (1.0-1.8)	.05
>85	1.4 (1.0-1.8)	.03	1.5 (1.1-2.1)	.01
High school graduate (ref: no)
Yes	1.1 (1.0-1.3)	.12	1.0 (0.8-1.2)	.95
Lives alone (ref: no)
Yes	1.2 (1.0-1.4)	.07	1.4 (1.1-1.7)	<.01
Lack of home accessibility features (ref: no)
Yes	1.3 (0.9-1.9)	.11	1.7 (1.3-2.3)	<.0001
Stroke (ref: no)
Yes	1.4 (1.1-1.9)	.02	1.8 (1.3-2.4)	<.0001
Cardiopulmonary (ref: no)
Yes	1.1 (0.9-1.3)	.21	1.1 (0.9-1.3)	.36
Diabetes (ref: no)
Yes	1.2 (0.9-1.5)	.22	1.5 (1.2-1.9)	<.01
Hypertension (ref: no)
Yes	1.1 (0.9-1.3)	.33	1.1 (0.9-1.3)	.31
Cancer (ref: no)
Yes	1.0 (0.8-1.2)	.86	1.3 (1.1-1.6)	.01
Arthritis (ref: no)
Yes	1.4 (1.2-1.7)	<.0001	1.6 (1.3-2.0)	<.0001
Osteoporosis (ref: no)
Yes	1.4 (1.1-1.8)	.02	1.2 (0.9-1.6)	.24
Cognitive impairment (ref: no)
Yes	1.4 (0.9-2.1)	.15	1.6 (1.1-2.4)	.01
Major psychiatric disorders (ref: no)
Yes	1.6 (0.8-3.1)	.18	1.3 (0.6-2.8)	.48