TABLE 4.

Mobility device use-related characteristics, by number of mobility device combination changes.

	Total N = 2,943	No Change N = 2,045	1 Change N = 550	2+ Changes N = 348	P-value
Duration of incident mobility device use, years	2.2 (1.6)	1.5 (1.0)	3.0 (1.4)	4.9 (1.5)	<0.001
Types of mobility devices, N (%)					<0.001
WAs	1,877 (63.8%)	1571 (76.8%)	227 (41.3%)	79 (22.7%)
Mixed	873 (29.7%)	288 (14.1%)	316 (57.5%)	269 (77.3%)
WSMDs	193 (6.6%)	186 (9.1%)	7 (1.3%)	0 (0.0%)
Frequency of using mobility device indoors, Mean (SD)	2.4 (1.1)	2.2 (1.2)	2.6 (1.0)	2.6 (0.9)	<0.001
Frequency of using mobility device outdoors, Mean (SD)	2.9 (1.2)	2.7 (1.3)	3.2 (1.1)	3.3 (0.8)	<0.001
Frequency of holding onto walls/furniture when moving indoors, Mean (SD)	2.3 (1.0)	2.2 (0.9)	2.6 (1.0)	2.7 (0.9)	<0.001
Difficulty of using mobility device indoors, Mean (SD)	1.4 (0.6)	1.4 (0.6)	1.5 (0.5)	1.6 (0.5)	<0.001
Difficulty of using mobility device outdoors, Mean (SD)	1.4 (0.6)	1.3 (0.5)	1.5 (0.6)	1.6 (0.6)	<0.001
Costs on assistive products, Mean (SD)	1.8 (0.8)	1.8 (0.8)	1.9 (0.8)	1.8 (0.7)	0.93

Note: WAs, walking aids; WSMDs, wheeled and seated mobility devices; Mixed, concurrent use of both WAs and WSMDs.