5.0-year

5.5-year

6.0-year

6.5-year

Total

Barefoot group

Boys

44

45

55

25

169

Girls

48

31

42

23

144

Sum

92

76

97

48

313

Non-barefoot group

Boys

31

50

48

47

176

Girls

51

38

35

39

163

Sum

82

88

83

86

339