Table 6. Intergroup comparison of mean GBI scores in different groups at baseline, month 1 and after 3 months, using the Wilcoxon Signed Rank Test.

Timepoint	Groups	N	GBI
			Mean	SD	Mean Diff	P-Value
Baseline	Group 1	16	83.34	14.89	1.04	0.88
	Group 2	16	82.29	14.22
	Group 1	16	83.34	14.89	-1.04	0.84
	Group 3	16	84.38	14.22
	Group 1	16	83.34	14.89	-2.08	0.67
	Group 4	16	85.41	13.43
	Group 2	16	82.29	14.22	-2.08	0.73
	Group 3	16	84.38	14.22
	Group 2	16	82.29	14.22	-3.12	0.51
	Group 4	16	85.41	13.43
	Group 3	16	84.38	14.22	-1.04	0.79
	Group 4	16	85.41	13.43
1 Month	Group 1	16	59.38	21.93	11.14	0.19
	Group 2	16	48.23	24.76
	Group 1	16	59.38	21.93	22.93	0.01*
	Group 3	16	36.45	24.5
	Group 1	16	59.38	21.93	10.42	0.25
	Group 4	16	48.96	21.49
	Group 2	16	48.23	24.76	11.78	0.19
	Group 3	16	36.45	24.5
	Group 2	16	48.23	24.76	-0.73	0.94
	Group 4	16	48.96	21.49
	Group 3	16	36.45	24.5	-12.51	0.19
	Group 4	16	48.96	21.49
3 Months	Group 1	16	78.12	23.34	-4.05	0.54
	Group 2	16	82.17	20.28
	Group 1	16	78.12	23.34	14.58	0.12
	Group 3	16	63.54	28.69
	Group 1	16	78.12	23.34	41.66	<0.001*
	Group 4	16	36.46	28.68
	Group 2	16	82.17	20.28	18.63	0.08
	Group 3	16	63.54	28.69
	Group 2	16	82.17	20.28	45.71	<0.001*
	Group 4	16	36.46	28.68
	Group 3	16	63.54	28.69	27.09	0.01*
	Group 4	16	36.46	28.68

*Statistically significant