Table 7.

Pairwise comparison of mean GI scores within intervention and control group using post hoc test.

Groups	(I)	(J)	Mean difference (I − J)	p value
Intervention	At baseline	After 1 month	0.082	<0.001
	At baseline	After 2 months	0.160	<0.001
	At baseline	After 3 months	0.216	<0.001
	At baseline	After 6 months	0.148	<0.001
	After 1 month	After 2 months	0.078	<0.001
	After 1 month	After 3 months	0.134	<0.001
	After 1 month	After 6 months	0.066	<0.001
	After 2 months	After 3 months	0.056	<0.001
	After 2 months	After 6 months	−0.012	0.064 (NS)
	After 3 months	After 6 months	−0.068	<0.001
Control	At baseline	After 1 month	0.052	<0.001
	At baseline	After 2 months	0.033	<0.001
	At baseline	After 3 months	0.009	0.271 (NS)
	At baseline	After 6 months	−0.064	<0.001
	After 1 month	After 2 months	−0.019	<0.001
	After 1 month	After 3 months	−0.042	<0.001
	After 1 month	After 6 months	−0.116	<0.001
	After 2 months	After 3 months	−0.024	<0.001
	After 2 months	After 6 months	−0.097	<0.001
	After 3 months	After 6 months	−0.074	<0.001

NS, not significant.