Appendix Table 3.

Depiction of how the coefficient of variation (CV) is calculated for six 10 second epochs for the 2006 Crouter 2-regression model and refined 2-regression model.

Time	Counts per 10-s	CV for 2006 Crouter 2- regression model	CV Forward 5	CV Backward 5	CV back 1 forward 4	CV back 2 forward 3	CV back 3 forward 2	CV back 4 forward 1	Lowest CV
13:02:10	918	1.670	1.67						1.67
13:02:20	907		3.15		1.67				1.67
13:02:30	936		3.46		3.15	1.67			1.67
13:02:40	923		23.95		3.46	3.15	1.67		1.67
13:02:50	927		56.65		23.95	3.46	3.15	1.67	1.67
13:03:00	893		58.76	1.67	56.65	23.95	3.46	3.15	1.67
13:03:10	858	60.204	60.2	3.15	58.76	56.65	23.95	3.46	3.15
13:03:20	877		69.24	3.46	60.2	58.76	56.65	23.95	3.46
13:03:30	421			23.95		60.2	58.76	56.65	23.95
13:03:40	0			56.65			60.2	58.76	56.65
13:03:50	556			58.76				60.2	58.76
13:04:00	996			60.2					60.2

CV = standard deviation ÷ mean * 100; Use of the 2006 Crouter 2-regression model results in a 60 second walking bout (13:02:10 to 13:03:00), however using the refined 2-regression model shows that the walking bout was 80 seconds long (13:02:10 to 13:03:20).