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Table 3 Percentage change in responses to knowledge and behavior on oral health among the school children in both groups before and after intervention

From: Effectiveness of oral health education on 8- to 10-year-old school children in rural areas of the Magway Region, Myanmar

Knowledge and behavior questions on oral health

%Difference between before and after intervention

Net effect of intervention (% change)

Intervention

Control

Knowledge questions

The main cause of tooth decay

 + 56.37

 + 6.36

 + 50.01

The main cause of gum diseases

 + 28.19

 − 20.91

 + 49.1

Prevention of dental caries and periodontal diseases

 + 20

 + 2.73

 + 17.27

Foods that can cause dental caries

 + 10

 − 0.9

 + 10.9

Development of oral cancer

 + 20

 − 1.81

 + 21.81

Behavior questions

Frequency of tooth brushing

 + 31.82

 − 10.91

 + 42.73

Occasion of tooth brushing

 + 44.55

 − 3.63

 + 48.18

Devices using in tooth brushing

 + 6.36

 − 7.28

 + 13.64

Device used to remove food debris stuck between the teeth

 + 39.09

 − 0.91

 + 40.00

Pattern of tooth brushing (by direct observation)

 + 81.81

 + 2.72

 + 79.09