Table 7 Gaming and self-reported health impairment and DAS responses

Effect on sleep

Hours slept per night

7.1 (4-14)

1.3

6.8

1.4

7.2

1.3

t = 2.74

0.043

0.78

0.004

(0.66-0.93)

Number

%

Number

%

Number

%

Restful sleep

   no

86

19.1

46

53.5

40

46.5

χ² = 36.82

< 10-3

0.23

< 10-3

   yes

364

80.9

76

21.1

285

78.9

1df

(0.14-0.38)

Deprivation of sleep due to play

   no

285

63.2

55

19.4

228

80.6

χ² = 24.01

< 10-3

2.83

< 10-3

   yes

166

36.8

67

40.9

97

59.1

1df

(1.83-4.38)

Daytime sleepiness

   no

348

77.3

74

21.5

270

78.5

χ² = 27.712

< 10-3

3.10

< 10-3

   yes

102

22.7

49

48

53

52

1df

(1.92-5.00)

Effect on mood

Happier

87

24.1

31

36.5

54

63.5

χ² = 58.82

< 10-3

1

< 10-3

More irritable

45

12.5

27

60

18

40

4df

2.56

(1.19-5.48)

More anxious

8

2.2

4

50

4

50

1.69

(0.39-7.34)

More sad

17

4.7

15

88.2

2

11.8

12.48

(2.64-59.06)

More calm

204

56.5

38

18.8

164

81.2

0.39

(0.22-0.69)

Effect on health

None

333

74.7

67

20.2

264

79.8

χ² = 37.41

< 10-3

1

< 10-3

Psychological effect

73

16.4

32

45.1

39

54.9

3df

3.21

(1.86-5.56)

Physical effect

29

6.5

14

48.3

15

51.7

3.23

(1.44-7.22)

Both effects

11

2.5

8

72.7

3

27.3

14.09

(2.89-68.61)

Confusing real life vs fiction

   no

422

93.8

104

24.9

314

75.1

χ² = 20.51

< 10-3

5.01

< 10-3

   yes

28

6.2

18

64.3

10

35.7

1df

(2.21-11.34)