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Table 1 Ordinal 5-category screen based media variables constructed from MARCA data

From: Screen-based media use clusters are related to other activity behaviours and health indicators in adolescents

 

N

%

Min

Max

(h/wk)

(h/wk)

Computer-general use

  1

313

48.7

0

0

  2

68

59.3

0.1

1.0

  3

87

13.5

1.1

2.0

  4

91

14.2

2.1

4.0

  5

84

13.1

4.1

71.6

Computer-email

  1

491

76.4

0

0

  2

44

6.8

0.1

1.0

  3

36

5.6

1.1

3.0

  4

32

5.0

3.1

7.0

  5

40

6.2

7.1

27.9

Computer-graphics

  1

553

86.0

0

0

  2

16

2.5

0.2

0.7

  3

35

5.4

0.8

1.2

  4

17

2.6

1.3

2.0

  5

22

3.4

2.1

9.4

Computer-internet

  1

390

60.6

0

0

  2

72

11.2

0.1

1.0

  3

53

8.2

1.1

1.5

  4

63

9.8

1.6

3.0

  5

65

10.1

3.1

32.3

Computer-word processing

  1

532

82.7

0

0

  2

36

5.6

0.1

1.0

  3

21

3.3

1.1

1.5

  4

17

2.6

1.6

2.0

  5

37

5.8

2.1

10.9

Computer-games

  1

342

53.2

0

0

  2

90

14.0

0.1

2.0

  3

60

9.4

2.1

4.0

  4

66

10.3

4.1

8.0

  5

85

13.2

8.1

82.5

Non-computer games^

  1

412

64.1

0

0

  2

57

8.9

0.1

1.0

  3

53

8.2

1.1

2.5

  4

65

10.1

2.6

7.0

  5

56

8.7

7.2

43.0

Television

  1

66

10.3

0

6.0

  2

103

16.0

6.1

10.0

  3

308

47.9

10.1

23.0

  4

101

15.7

23.1

32.0

  5

65

10.1

32.0

56.8

  1. Category thresholds based on first group containing zeros and remaining cases roughly equally distributed with sensible category thresholds.
  2. ^ includes console games such as PlayStation, hand held electronic games such as GameBoy and video centre game playing, although there were only 11 non-zero cases for video centre and 41 non-zero cases for hand held games