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Table 4 Comparison of the brushing and flossing behavior between both groups before and after intervention

From: Oral health behavior among school children aged 11–13 years in Saveh, Iran: an evaluation of a theory-driven intervention

Group brushing Experimental Control P-value*
Time of research Number Percentage (%) Number Percentage (%)
Before intervention never 13 7.2 11 6.2 0.678
sometimes 66 36.7 55 31.3
once daily 65 36.1 70 39.7
two or more on a daily 36 20 40 22.8
After intervention never 0 0 10 5.7 0.001
sometimes 15 8.4 51 28.9
once daily 79 43.8 73 41.6
two or more on a daily 86 47.8 42 23.8
P-value* 0.001 0.958  
Before intervention Dental floss      P-value **
Yes 69 38.3 61 34.6 0.510
No 111 61.7 115 65.4
After intervention Yes 134 74.4 66 37.5 0.001
No 46 25.6 110 62.5
P-value** 0.013 0.657  
  1. *chi-square **Fisher Exact test