Table 2: The approval of the assumption of the normal distribution of variables in the test of ANCOVA. The comparison between pretest group and all eight subscales of QoL

F	(P-Value)	Variables
1.43	232 0.	Physical Function
3.45	064 0.	Physical Role
1780.	6740.	Body Pain
2.47	117.0	General Health
441.0	0.507	Vitality
2.35	0.126	Emotion
454.0	0.501	Mental Health
3.73	0.054	Social Function
516.0	0.423	QoL
756.0	0.385	Depression
462.0	0.497	Anxiety
3.15	0.077	Stress