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Table 1 Baseline information for the intervention and comparison groups

From: Effects of health-promoting school strategy on dental plaque control and preventive behaviors in schoolchildren in high-caries, rural areas of Taiwan: a quasi-experimental design

 

Second grade

Fourth grade

Sixth grade

IG

CG

IG

CG

IG

CG

n

%

n

%

n

%

n

%

n

%

n

%

Gendera

Male

28

63.6

22

44.9

40

59.7

32

59.3

18

39.1

27

43.5

Female

16

36.4

27

55.1

27

40.3

22

40.7

28

60.9

35

56.5

PI(M ± SD)b

1.7 ± 0.5

1.5 ± 0.6

1.7 ± 0.5

1.5 ± 0.9

1.5 ± 0.6

1.3 ± 0.5

PCR(M ± SD)b

46.6 ± 18.3

45.5 ± 22.3

43.2 ± 20.8

41.1 ± 21.0

43.4 ± 22.1

39.7 ± 18.2

  1. aFisher’s exact test
  2. bMann-Whitney U test
  3. PI = Plaque index
  4. PCR = Plaque control record