Table 2

Frequency (%) of electronic-media use, stratified for type of headache.

No headache (n = 536)

Any headache (n = 489)

Pure migraine (n = 42)

Pure TTH (n = 212)

Migraine+TTH (n = 122)

MH

(n = 113)


Mobile phone

No mobile phone

12.3

9.6

7.1

8.5

10.7

11.5

<5 minutes

66.2

65.4

61.9

68.4

67.2

59.3

6 - 15 minutes

14.4

17.0

21.4

17.9

18.0

12.4

16 - 30 minutes

3.9

5.1

4.8

2.8

4.1

10.6

30 minutes or more

3.2

2.9

4.8

2.4

0.0

6.2

p†

0.1847

0.1572

0.6685

0.6295

0.0171


Computer/internet

Never

14.6

11.7

14.3

9.9

8.2

17.7

30 minutes

34.0

33.7

26.2

35.4

38.5

28.3

1 - 2 hours

36.0

40.7

47.6

40.6

39.3

39.8

3 hours or more

15.5

13.9

11.9

14.2

13.9

14.2

p

0.4306

0.7487

0.3721

0.4681

0.8360


Television/videos

Never

5.2

5.5

2.4

4.2

9.8

4.4

30 minutes

27.8

31.9

28.6

36.3

32.8

23.9

1 - 2 hours

52.4

50.3

50.0

50.5

43.4

57.5

3 hours or more

14.6

12.3

19.0

9.0

13.9

14.2

p

0.1406

0.4388

0.0445

0.0573

0.5122


Game consoles

Never

71.6

74.0

71.4

75.9

77.0

68.1

30 minutes

16.0

16.8

19.0

17.9

15.6

15.0

1 - 2 hours

9.3

7.4

7.1

4.7

7.4

12.4

3 hours or more

3.0

1.8

2.4

1.4

0.0

4.4

p

0.1540

0.7987

0.0458

0.0777

0.2540


Music

Never

11.0

5.1

2.4

6.1

3.3

6.2

30 minutes

30.8

27.8

31.0

25.0

28.7

31.0

1 - 2 hours

27.4

32.9

21.4

36.9

37.7

24.8

3 hours or more

30.8

34.2

45.2

32.1

30.3

38.1

p

0.0026

0.0493

0.0341

0.0817

0.1064


Overall media index‡

Never

1.5

0.8

0.0

0.5

0.8

1.8

30 minutes

1.9

4.1

4.8

3.3

4.9

4.4

1 - 2 hours

27.4

29.2

26.2

28.3

36.1

24.8

3 - 4 hours

31.2

33.5

33.3

38.7

26.2

31.9

5 - 6 hours

25.6

22.1

19.0

20.8

23.8

23.9

7 hours or more

12.5

10.2

16.7

8.5

8.2

13.3

p

0.0725

0.9217

0.1221

0.0369

0.7665


† p values of Cochrane-Armitage tests for underlying trends of media use between no headache vs. different types of headache.

‡ The overall media index was estimated by adding up time spent with computer/internet, television/videos and game consoles.

Milde-Busch et al. BMC Neurology 2010 10:12   doi:10.1186/1471-2377-10-12

Open Data