Table 2.

Item loadings from principle component analysis for the five mobility domains

Item	Ambulatory volume	Ambulatory pattern	Postural transitions	Sedentary volume	Sedentary pattern
Ambulatory volume
AB number	0.908	− 0.198	0.293	− 0.014	− 0.002
Intensity	0.885	0.411	0.172	0.009	− 0.016
Ambulatory percentage	0.879	0.382	0.221	0.012	− 0.039
Step count	0.817	0.510	0.187	0.007	− 0.026
Ambulatory pattern
AB duration	0.139	0.951	− 0.035	0.027	− 0.059
AB variability	0.202	0.924	− 0.007	− 0.041	0.010
AB distribution	0.102	0.908	− 0.041	− 0.073	0.058
Postural transitions
SB number	0.176	− 0.011	0.937	0.245	− 0.037
SST number	0.193	− 0.019	0.927	0.255	− 0.039
SB duration	− 0.501	0.000	− 0.708	0.325	− 0.008
Sedentary volume
Sleep percentage	− 0.357	0.092	− 0.177	− 0.842	− 0.040
Sedentary percentage	− 0.459	− 0.003	0.150	0.839	− 0.022
Sedentary pattern
SB distribution	0.080	− 0.044	0.104	− 0.103	0.947
SB variability	− 0.230	0.097	− 0.476	0.268	0.711

Relevant item loadings are highlighted in bold font

AB ambulatory bout, SB sedentary bout, SST sit-to-stance transitions