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Table 3 Average number of dental segments brushed before and after program (N = 196)

From: Oral health promotion for schoolchildren – evaluation of a pragmatic approach with emphasis on improving brushing skills

  Males (N = 98) Females (N = 98) Total (196)
  mean SD mean SD mean SD
before 3.15 1.92 2.57 1.67 2.86 1.82
after 5.88 2.35 5.64 2.08 5.76 2.21
difference 2.73   3.07   2.90  
95% C.I. 2.27 – 31.8   2.66 – 3.48   2.59 – 3.20  
  1. According to Wilcoxon Rank test, in comparison of number of locations brushed before and after the program: p < 0.0001 (for males, females and total)