Table 2

Bowker's test of symmetry for percentage of change in daily TV and VG time between ages 5, 8, 11, and 13

Age 5-8

Age 5-11

Age 5-13

Age 8-11

Age 8-13

Age 11-13


TV Viewing


Boys

Increase

23

36

36

43*

43*

34


Decrease

41

38

37

28

24

32



Girls

Increase

22

27

32

35

37

35


Decrease

41*

39

41

29

33

38



Video Gaming


Boys

Increase

33**

54***

61***

45***

53***

39


Decrease

10

8

8

15

13

35



Girls

Increase

9

27**

31***

26**

32***

28*


Decrease

7

8

7

5

9

17


* p < 0.05; ** p < 0.01; *** p < 0.001.

Boys (age 5: n = 205; age 8: n = 193; age 11: n = 171; age 13: n = 168.)

Girls (age 5: n = 229; age 8: n = 222; age 11: n = 211; age 13: n = 189.)

Francis et al. International Journal of Behavioral Nutrition and Physical Activity 2011 8:100   doi:10.1186/1479-5868-8-100

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