Table 2. The frequency of falls by prosthesis type and each of the covariates.

Odds ratios (OR) and 95% Confidence Intervals (CI) are shown; bold text indicates statistically significant observations.

	None (n = 251)	1–5 times (n = 57)	More than 5 times (n = 7)	OR	95% CI
Prosthesis type
Below knee prosthesis users	154	22	2	1.00
Non-microprocessor knee users	66	32	5	3.34	1.73–6.45
Microprocessor knee users	31	3	0	0.68	0.18–2.62
Covariates
Sociodemographic
Sex
Male	201	45	7	1.00
Female	50	12	0	0.78	0.36–1.68
Age
18–39 years	42	5	0	1.00
40–59 years	95	31	3	1.74	0.59–5.07
60–79 years	106	19	4	1.07	0.35–3.32
>80 years	8	2	0	1.06	0.15–7.36
Experience
Years of prosthesis use
>10 years	166	38	4	1.00
6–10 years	31	5	2	1.16	0.44–3.10
1–5 years	41	12	1	1.09	0.47–2.50
<1 year	13	2	0	0.76	0.14–4.11
Health
Comorbidity (-ies)
No	200	42	7	1.00
Yes	51	15	0	1.13	0.55–2.32
Contralateral limb injury
No	186	40	3	1.00
Yes	65	17	4	1.47	0.77–2.83
Medication
No	232	47	6	1.00
Yes	19	10	1	1.72	0.71–4.15
Physical function
Walking aid(s)
No	133	22	2	1.00
Yes	118	35	5	1.51	0.71–3.21
Activity level
K2	115	33	3	1.00
K3	111	18	4	0.94	0.44–2.01
K4	25	6	0	1.12	0.35–3.54