Research Article

Effect of Reinforcement of Oral Health Education Message through Short Messaging Service in Mobile Phones: A Quasi-Experimental Trial

Table 5

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

Groups()()Mean difference () value

InterventionAt baselineAfter 1 month0.651<0.001
At baselineAfter 2 months1.155<0.001
At baselineAfter 3 months1.472<0.001
At baselineAfter 6 months0.910<0.001
After 1 monthAfter 2 months0.504<0.001
After 1 monthAfter 3 months0.821<0.001
After 1 monthAfter 6 months0.259<0.001
After 2 monthsAfter 3 months0.317<0.001
After 2 monthsAfter 6 months−0.245<0.001
After 3 monthsAfter 6 months−0.563<0.001

ControlAt baselineAfter 1 month0.420<0.001
At baselineAfter 2 months0.251<0.001
At baselineAfter 3 months0.0720.172 (NS)
At baselineAfter 6 months−0.357<0.001
After 1 monthAfter 2 months−0.169<0.001
After 1 monthAfter 3 months−0.348<0.001
After 1 monthAfter 6 months−0.777<0.001
After 2 monthsAfter 3 months−0.180<0.001
After 2 monthsAfter 6 months−0.609<0.001
After 3 monthsAfter 6 months−0.429<0.001

NS, not significant.