Table 4.

Main and interaction effects in the linear mixed models of the intervention on anxiety and depression

Model on anxiety
Fixed effect	Coefficient (B)	95%CI	SE	t	p
Intervention	− 0.39	[− 1.1, 0.3]	0.35	− 1.1	0.273
Assessment 2	0.24	[− 0.22, 0.71]	0.24	1.03	0.304
Assessment 3	0.51	[0.05, 0.98]	0.24	2.17	0.03
Intervention × Assessment 2	0.24	[− 0.49, 0.97]	0.37	0.65	0.516
Intervention × Assessment 3	0.17	[− 0.56, 0.89]	0.37	0.45	0.656
Random effect		Variance		S.D.
Participant (Intercept)		6.94		2.63
Residual		8.49		2.91
Model fit
R2		Marginal		Conditional
		0.25		0.59

Model on depression
Fixed effect	Coefficient (B)	95%CI	SE	t	p
Intervention	0.27	[− 0.41, 0.95]	0.35	0.77	0.444
Assessment 2	0.12	[− 0.44, 0.67]	0.29	0.4	0.686
Assessment 3	0.85	[0.29, 1.41]	0.29	2.98	0.003
Intervention × Assessment 2	0.048	[− 0.83, 0.92]	0.45	0.11	0.915
Intervention × Assessment 3	0.29	[− 0.58, 1.17]	0.45	0.65	0.514
Random effect		Variance		S.D.
Participant (Intercept)		2.55		1.6
Residual		12.37		3.52
Model fit
R2		Marginal		Conditional
		0.5		0.58

SE-Standard error; S.D.- Standard deviation