Table 2.

Varimax-Rotated Component Loadings at Baseline

Metric	Component 1	Component 2	Component 3
Sedentary time: minutes/hour sitting or lying down calculated for each day and then averaged over a week	−0.48584	−0.25608	−0.82564
Standing still time: minutes/hour calculated for each day and then averaged over a week	−0.06086	−0.09255	0.98313
Light activity time: minutes/hour spent in light activity (time between sedentary and MVPA levels) calculated for each day and averaged over a week	0.89898	0.30534	0.09983
Variability in light activity level: Square root of variance of minutes/hour of in light activity (time between sedentary and MVPA levels) calculated for each day and then averaged over a week	0.89515	0.23585	−0.01156
Variability in light activity differences: Square root of variance of consecutive differences in minutes per hour of light activity (time between sedentary and MVPA levels) calculated for each day and then averaged over a week	0.88116	0.22712	−0.02199
Transitions: Average transitions/hour calculated for each day and averaged over a week	0.84115	0.13589	0.21232
Variability in transitions: Square root of variance of transitions/hour calculated for each day and then averaged over the days in the week	0.76491	−0.05186	0.12755
Activity level: Average counts/hour calculated for each day and averaged over a week	0.55403	0.75303	0.00288
Variability in activity level: Square root of variance of counts/hour calculated for each day and then averaged over a week	0.22280	0.91332	0.01719
Bouts of standing and moving: Average number of 10 min bouts standing and moving/day	0.51480	0.73402	−0.01113
Bouts of MVPA: Average number of 10 min bouts of MVPA/day	−0.13094	0.87569	0.06764
Eigenvalue	5.8	1.9	1.5
Proportion variation explained	53.0%	17.5%	13.8%

Note: MVPA = moderate-to-vigorous physical activity.