Table 3.

Interrater reliability: Pairwise Cohen’s Kappas calculated per annotation for all sessions. Over all annotations, the majority of pairs (11 out of 18) achieved moderate agreement.

Session	1			2			3	4			5	6	7	8	9			10	$\overline{k}$	Usage per session	σ (usage)	Average duration (s)	σ (s)
Annotator pairs	A-B	A-C	B-C	D-E	D-F	E-F	G-H	I-J	I-K	J-K	L-M	N-O	P-Q	R-S	T-U	T-V	U-V	X-Y
Ambulation: descending stairs	0.80	0.78	0.93	0.76	0.71	0.77	0.85	0.69	0.78	0.57	0.95	0.63	0.87	0.81	0.73	0.87	0.85	0.94	0.79	7.50	3.22	3.35	1.22
Ambulation: ascending stairs	0.90	0.89	0.86	0.81	0.74	0.82	0.91	0.72	0.93	0.78	0.92	0.91	0.85	0.75	0.80	0.90	0.86	0.60	0.81	6.19	3.29	4.39	3.55
Ambulation: jumping	0.89	0.91	0.8	0.67	0.4	0.67	0.77	0.75	1.0	0.75	0.73	0.8	1.0	0.67	1.0	0.83	0.83	1.0	0.80	4.19	2.20	1.99	0.67
Ambulation: walking with load	1.0	0.0	0.0	0.0	1.0	0.0	1.0	0.47	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.56	0.0	0.22	5.44	5.70	3.58	2.80
Ambulation: walking	0.72	0.65	0.65	0.52	0.76	0.6	0.67	0.63	0.53	0.56	0.61	0.67	0.58	0.62	0.61	0.65	0.64	0.57	0.62	116.38	54.21	2.38	1.56
Posture: bent over	0.67	0.73	0.79	0.71	0.66	0.57	0.72	0.65	0.79	0.71	0.76	0.79	0.82	0.53	0.46	0.57	0.68	0.45	0.67	40.94	20.12	3.37	5.07
Posture: kneeling	0.73	0.43	0.44	0.53	0.65	0.66	0.83	0.34	0.52	0.46	0.72	0.89	0.88	0.23	0.66	0.73	0.79	0.82	0.63	15.00	9.01	3.36	0.60
Posture: lying	0.91	0.91	0.92	0.85	0.84	0.86	0.83	0.91	0.82	0.87	0.85	0.93	0.73	0.75	0.91	0.9	0.92	0.91	0.87	50.56	21.18	4.82	1.52
Posture:sitting on chair bed sofa	0.89	0.71	0.78	0.89	0.13	0.12	0.93	0.18	0.84	0.25	0.87	0.91	0.75	0.76	0.89	0.85	0.93	0.91	0.7	46.00	21.34	11.89	33.60
Posture: squatting	0.0	0.0	0.43	0.0	0.0	−0.01	1.0	0.0	1.0	0.0	1.0	1.0	1.0	0.0	1.0	1.0	1.0	0.0	0.47	2.81	3.21	3.83	0.85
Posture: standing	0.82	0.82	0.82	0.75	0.8	0.74	0.83	0.71	0.77	0.78	0.82	0.87	0.83	0.79	0.76	0.79	0.81	0.79	0.79	204.75	94.77	4.95	7.34
Transition: lying to sit	0.8	0.76	0.8	0.52	0.86	0.66	0.62	0.61	0.61	0.88	0.82	0.86	0.55	0.24	0.88	0.86	0.9	0.72	0.72	20.13	8.55	1.61	0.51
Transition: sit to lying	0.81	0.72	0.68	0.75	0.72	0.7	0.9	0.72	0.65	0.68	0.49	0.8	0.53	0.33	0.86	0.77	0.82	0.75	0.7	19.94	8.50	1.58	0.51
Transition: kneel to stand	0.76	0.36	0.35	0.51	0.62	0.66	0.68	0.51	0.45	0.33	0.71	0.93	0.74	0.15	0.72	0.68	0.78	0.8	0.6	15.00	9.18	1.40	0.30
Transition: Stand to kneel	0.72	0.27	0.22	0.46	0.54	0.58	0.9	0.35	0.6	0.26	0.73	0.75	0.8	0.0	0.51	0.43	0.87	0.68	0.54	15.56	8.78	1.68	0.46
Transition: sit to stand	0.68	0.74	0.68	0.37	0.51	0.47	0.69	0.64	0.47	0.6	0.83	0.66	0.74	0.66	0.68	0.6	0.71	0.51	0.62	25.31	11.76	1.29	0.46
Transition: stand to sit	0.73	0.55	0.55	0.57	0.55	0.45	0.64	0.59	0.59	0.71	0.68	0.79	0.77	0.64	0.66	0.63	0.7	0.66	0.64	25.38	11.63	1.52	0.65
Transition: bending	0.6	0.5	0.4	0.39	0.52	0.51	0.7	0.48	0.48	0.51	0.52	0.78	0.6	0.51	0.54	0.54	0.56	0.54	0.54	47.69	26.47	1.09	0.48
Transition: straightening	0.7	0.58	0.69	0.39	0.65	0.46	0.65	0.56	0.59	0.61	0.46	0.72	0.61	0.54	0.53	0.58	0.58	0.53	0.58	46.75	25.22	1.08	0.37
Transition: turning pivoting	0.55	0.56	0.52	0.36	0.3	0.27	0.42	0.25	0.31	0.28	0.4	0.55	0.45	0.41	0.4	0.38	0.18	0.41	0.39	313.63	163.27	1.19	0.60
Bathroom 0.8	1.0	0.81	0.78	1.0	0.78	0.77	0.75	0.75	0.99	0.8	1.0	0.81	0.82	0.99	0.82	0.83	0.8	0.85	3.0	3.00	1.37	101.28	54.86
Bedroom	1.0	1.0	1.0	0.99	0.99	1.0	1.0	1.0	1.0	1.0	1.0	1.0	0.86	1.0	0.99	1.0	1.0	1.0	0.99	3.63	1.71	166.02	149.78
Hallway	0.78	0.58	0.59	0.9	0.88	0.95	0.44	0.86	0.87	0.92	0.88	0.88	0.77	0.93	0.88	0.89	0.93	0.94	0.83	18.38	7.96	13.72	37.41
Kitchen	1.0	0.99	0.99	0.98	0.98	1.0	0.72	0.99	0.99	0.99	1.0	0.99	0.99	0.99	0.99	0.99	1.0	0.99	0.98	3.75	1.61	158.11	63.02
Living room	0.99	1.0	0.99	1.0	1.0	1.0	1.0	0.99	0.99	0.99	1.0	1.0	1.0	0.69	1.0	1.0	1.0	1.0	0.98	5.75	2.79	212.02	126.14
Toilet	0.0	0.0	1.0	0.0	0.98	0.0	0.0	0.0	0.0	1.0	0.0	0.96	1.0	0.0	1.0	0.0	0.0	0.0	0.33	0.81	0.75	53.3	0.0
Pairwise mean	0.72	0.63	0.66	0.57	0.64	0.56	0.71	0.55	0.63	0.6	0.68	0.77	0.72	0.52	0.71	0.67	0.7	0.64