Table 5.

Pairwise comparison of mean OHI 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	0.651	<0.001
	At baseline	After 2 months	1.155	<0.001
	At baseline	After 3 months	1.472	<0.001
	At baseline	After 6 months	0.910	<0.001
	After 1 month	After 2 months	0.504	<0.001
	After 1 month	After 3 months	0.821	<0.001
	After 1 month	After 6 months	0.259	<0.001
	After 2 months	After 3 months	0.317	<0.001
	After 2 months	After 6 months	−0.245	<0.001
	After 3 months	After 6 months	−0.563	<0.001
Control	At baseline	After 1 month	0.420	<0.001
	At baseline	After 2 months	0.251	<0.001
	At baseline	After 3 months	0.072	0.172 (NS)
	At baseline	After 6 months	−0.357	<0.001
	After 1 month	After 2 months	−0.169	<0.001
	After 1 month	After 3 months	−0.348	<0.001
	After 1 month	After 6 months	−0.777	<0.001
	After 2 months	After 3 months	−0.180	<0.001
	After 2 months	After 6 months	−0.609	<0.001
	After 3 months	After 6 months	−0.429	<0.001

NS, not significant.