Table 3. Linear correlation coefficients (r) between individual weekend and weekday features and PHQ-9 scores, and their 95% confidence intervals.

Bold values indicate significant correlations (see ‘Data Analysis’).

Feature	Weekday			Weekend
	Baseline (n = 46)	Follow-up (n = 38)	Change (n = 38)	Baseline (n = 46)	Follow-up (n = 38)	Change (n = 38)
Location variance	−0.15 ± 0.008	−0.20 ± 0.008	−0.22 ± 0.009	−0.31 ± 0.008	−0.47 ±0.007	−0.39 ± 0.008
Circadian movement	−0.22 ± 0.007	−0.28 ± 0.008	−0.25 ± 0.009	−0.35 ± 0.007	−0.51 ±0.006	−0.36 ± 0.008
Speed mean	−0.00 ± 0.008	−0.06 ± 0.005	0.03 ± 0.008	−0.13 ± 0.005	−0.06 ± 0.006	0.05 ± 0.009
Speed variance	−0.05 ± 0.008	−0.07 ± 0.005	0.02 ± 0.007	−0.13 ± 0.004	−0.05 ± 0.006	0.10 ± 0.008
Total distance	−0.20 ± 0.004	−0.15 ± 0.005	−0.01 ± 0.006	−0.25 ± 0.004	−0.20 ± 0.005	−0.03 ± 0.006
Number of clusters	−0.19 ± 0.006	−0.25 ± 0.005	−0.14 ± 0.008	−0.34 ± 0.006	−0.46 ±0.004	−0.32 ± 0.007
Entropy	−0.21 ± 0.007	−0.34 ± 0.006	−0.20 ± 0.009	−0.30 ± 0.008	−0.55 ±0.004	−0.38 ± 0.008
Normalized entropy	−0.21 ± 0.008	−0.39 ± 0.006	−0.24 ± 0.009	−0.28 ± 0.008	−0.54 ± 0.004	−0.41 ± 0.009
Raw entropy	0.05 ± 0.008	−0.04 ± 0.008	0.01 ± 0.010	0.04 ± 0.008	−0.01 ± 0.008	0.03 ± 0.009
Home stay	0.19 ± 0.008	0.37 ± 0.006	0.23 ± 0.009	0.23 ± 0.007	0.50 ± 0.004	0.35 ± 0.008
Transition time	−0.27 ± 0.006	−0.29 ± 0.006	−0.14 ± 0.010	−0.36 ± 0.006	−0.32 ± 0.008	−0.06 ± 0.009