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Table 5 Comparison of frequency distribution of brushing behavior of students before and after intervention in two groups

From: Design, implementation, and evaluation of a PRECEDE-PROCEED model-based intervention for oral and dental health among primary school students of Rafsanjan city: a mixed method study

Daily toothbrush behavior Group Before intervention After intervention P-Value
Number Percentage Number Percentage
Less than once Intervention 27 22.1 1 0.82 < 0.001
Control 16 12.5 14 11.02 0.09
P-Value 0.03 < 0.001  
One to two times Intervention 16 13.1 3 2.4 < 0.001
Control 30 23.4 27 21.2 0.08
P-Value 0,04 < 0.001  
Twice and more Intervention 79 64.7 117 96.6 < 0.001
Control 0.03 64 86 67.6 0.08
P-Value < 0.001 < 0.001