. Author manuscript; available in PMC: 2016 Dec 1.

Published in final edited form as: Physiol Meas. 2015 Nov 23;36(12):2519–2535. doi: 10.1088/0967-3334/36/12/2519

Table 2.

Mean (SD) agreement of step counts using all monitor combinations and the original four AM system (Fortune et al., 2014a) compared with visual step counts, mean number of steps per trial, and number of trials for different gait velocity ranges.

Gait Velocity Range (m/s):	<0.5	0.5–1.0	1.0–1.5	1.5–2.0	>2.0	0.1–4.8
Young Adult Group (n=11)

Waist (%)	80 (12)	93 (5)^a	94 (7)^a	92 (7)^a	94 (6)^a	90 (10)^a
Thigh (%)	82 (14)	92 (12)^a	94 (6)^a	92 (11)^a	89 (11)	89 (12)
Ankle (%):	90 (9)^a	94 (9)^a	92 (7)^a	90 (9)^a	93 (7)^a	92 (8)^a
Thigh & Ankle (%):	87 (12)	88 (18)	89 (12)	89 (10)	92 (7)^a	89 (12)
Waist & Ankle (%)	88 (13)	91 (7)^a	88 (8)	90 (7)^a	90 (10)^a	89 (10)
Waist & Thigh (%)	79 (15)	92 (13)^a	94 (4)^a	89 (9)	91 (8)^a	88 (12)
Waist & Thigh & Ankles (%)	95 (6)^a	90 (6)^a	89 (7)	89 (7)	92 (11)^a	92 (8)^a
Mean Number of Steps per Trial	37 (18)	20 (2)	17 (1)	15 (2)	13 (2)	21 (13)
Number of Trials	26	18	22	18	21	105

Older Adult Group (n=19)

Waist (%)	-	98 (5)^a	98 (6) ^a	99 (3) ^a	-	98 (5) ^a
Ankle (%):	-	96 (4) ^a	97 (4) ^a	95 (5) ^a	-	96 (4) ^a
Waist & Ankle (%)	-	96 (3) ^a	97 (5) ^a	95 (4) ^a	-	96 (4) ^a
Mean Number of Steps per Trial	-	18 (3)	15 (2)	12 (1)	-	16 (3)
Number of Trials	-	208	241	68	-	518

Values in bold indicate agreement which is classified as ‘acceptable’ (≥ 90% (Hatano et al., 1993)).