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Table 2 Academic achievement by selected factors (chi-square)

From: Fitness, fatness, and academic performance in seventh-grade elementary school students

  

Cohort 1

  

Cohort 2

  

Cohort 3

  

Total

 
 

L

A

H

p

L

A

H

p

L

A

H

p

L

A

H

p

Gender

   

0.141

   

0.796

   

0.193

   

0.595

 Male

56.7

46.9

58.1

 

53.8

49.8

50.0

 

50.7

55.9

45.2

 

52.9

51.8

49.2

 

 Female

43.3

53.1

41.9

 

46.2

20.2

50.0

 

49.3

44.1

54.8

 

47.1

48.2

50.8

 

Weight status

   

0.042

   

0.029

   

0.001

   

<0.001

 Normal weight

60.7

67.1

81.5

 

65.9

66.2

80.0

 

57.0

71.0

76.7

 

60.4

69.5

78.4

 

 Overweight

26.8

19.7

17.3

 

21.2

28.1

15.4

 

29.6

21.2

19.4

 

26.5

23.3

18.2

 

 Obesity

12.5

7.5

1.2

 

12.9

5.8

4.6

 

13.4

7.8

3.9

 

13.1

7.2

3.4

 

Cardiorespiratory fitness

   

0.003

   

0.033

   

0.035

   

<0.001

 Unfit

36.7

31.5

14.0

 

33.0

29.6

15.2

 

30.1

20.7

19.5

 

32.3

26.0

17.4

 

 Fit

63.3

68.5

86.0

 

67.0

70.4

84.8

 

69.9

79.3

80.5

 

67.7

74.0

82.6

 
  1. L – low academic achievement; A – average academic achievement; H – high academic achievement.
  2. Cohort 1 started the study in grade 5, and these data were collected in 2011.
  3. Cohort 2 started the study in grade 6, and these data were collected in 2010.
  4. Cohort 3 started the study in grade 7, and these data were collected in 2009.