Table 3.

Median (Minimum and Maximum) of Plaque Index, Gingival Bleeding Index, and Halitosis Score as a Function of Time and Receipt of Text Messages via WhatsApp

Variable	Group	Time Period		P Value
		Baseline	30 Days
Plaque index	No text messaging	2.5 (1.0–4.0)	2.0 (1.0–4.0)	.0281
	With text messaging	3.0 (1.0–4.0)	2.0 (1.0–3.0)	.0059
P value		.6472	.4597
Gingival bleeding index	No text messaging	3.0 (2.0–4.0)	2.0 (1.0–4.0)	.0033
	With text messaging	3.0 (1.0–4.0)	2.0 (1.0–3.0)	.0222
P value		.6727	.6985
Halitosis score	No text messaging	2.0 (0.0–4.0)	2.0 (0.0–4.0)	.2863
	With text messaging	3.0 (1.0–5.0)	3.0 (1.0–4.0)	.0414
P value		.0086	.0956