Table 5. Interaction effects of number of visits and length of stay

	Variables	d.f.	SS	MS	F-value	p-value
Positive affect	Number of visits	1	1.3869	1.3869	3.20	0.0745
	Length of stay	2	1.8779	0.9390	2.17	0.1161
	Interaction	3	1.0758	0.5379	1.24	0.2902
Negative affect	Number of visits	1	0.6343	0.6343	1.39	0.2390
	Length of stay	2	0.1146	0.0573	0.13	0.8819
	Interaction	2	2.4516	1.2258	2.69	0.0695
Life satisfaction	Number of visits	2	19.9846	9.9923	6.22	0.0021
	Length of stay	2	0.4187	0.20934	0.13	0.8778
	Interaction	4	7.3050	1.8262	1.14	0.3380