Table 4.

Studying the Durability of Interventions by Comparing the Results of Posttest Follow-up in the Study Groups

Variable		Sum of Squares	Df	Mean Square	F	P Value
IBS	Levels	0.058	1	0.058	0.002	0.963
	Group Stages	51.440	2	25.720	0.958	0.401
	Groups	1420.243	2	710.121	13.237	0.01
Quality of Life	Levels	80.475	1	80.475	0.841	0.38
	Group Stages	1148.144	2	574.072	6.000	0.01
	Groups	4196.593	2	2098.296	5.774	0.05