Table 5.

Estimated parameters of the continuous-time structural equation model

Parameter	Mean	SD	95% CI
Initial states T0
Social presence (Mean)	−0.18	0.08	[−0.33, −0.03]
Negative mood state (Mean)	0.59	0.18	[0.23, 0.95]
Social presence (Variance)	0.56	0.06	[0.45, 0.67]
Negative mood state (Variance)	1.12	0.26	[0.70, 1.69]
Mood state and social presence covariance	−0.03	0.08	[−0.18, 0.12]
Factor loadings Λ
Fatigue	0.68	0.13	[0.42, 0.95]
Vigor	−0.58	0.11	[−0.82, −0.37]
Dejection	0.18	0.04	[0.11, 0.25]
Anger	0.13	0.03	[0.07, 0.18]
Drift parameters A
Social presence → social presence	−7.98	0.82	[−9.63, −6.40]
Negative mood → negative mood	−5.54	0.43	[−6.43, −4.76]
Negative mood → social presence	−1.42	0.44	[−2.35, −0.61]
Social presence → negative mood	3.04	0.47	[2.14, 3.94]
Diffusion parameters G
Social presence	2.55	0.20	[2.20, 2.95]
Negative mood state	3.01	0.62	[1.99, 4.45]
Cross-diffusion: Mood state and social presence	−0.08	0.02	[-0.12, −0.03]
Time-dependent covariates b
Situation control → social presence	−0.19	0.02	[−0.22, −0.16]
Situation control → negative mood	−0.08	0.03	[−0.14, −0.03]
Measurement parameters
Measurement error: Bluetooth log	0.25	0.05	[0.17, 0.36]
Measurement error: fatigue	0.32	0.02	[0.29, 0.36]
Measurement error: vigor	0.55	0.01	[0.53, 0.57]
Measurement error: dejection	0.44	0.01	[0.43, 0.45]
Measurement error: anger	0.76	0.01	[0.74, 0.78]
Manifest mean: Bluetooth log	−0.02	0.08	[−0.19, 0.14]
Manifest mean: fatigue	0.06	0.08	[−0.10, 0.23]
Manifest mean: vigor	−0.03	0.07	[−0.17, 0.12]
Manifest mean: dejection	0.02	0.10	[−0.17, 0.22]
Manifest mean: anger	0.01	0.08	[−0.14, 0.16]

Standardized variables. CI = credible interval. The 95% CI represents the lower and upper bounds of the 95% credible interval.