Table 2 Participant characteristics in total and by condition

N

152

50

52

50

Gender

 Male

75

26

22

27

 Female

76

24

29

23

 Missing

1

0

1

0

Age

M = 21.47 (SD = 1.31)

21.52 (1.33)

21.38 (1.37)

21.52 (1.23)

Ethnicity

 White British

99

35

35

29

 White Irish

1

0

1

0

 Any other White background

27

5

11

11

 Mixed White and Black African

3

2

1

0

 Mixed White and Asian

1

1

0

0

 Any other mixed background

1

0

0

1

 Indian

4

1

1

2

 Any other Asian background

2

1

0

1

 Caribbean

2

1

0

1

 Chinese

6

1

2

3

 Prefer not to say

1

1

0

0

 Missing

5

2

1

2

Subjective social class

 Working class

34

12

12

10

 Lower middle

35

7

16

12

 Middle class

65

23

20

22

 Upper middle

18

8

4

6

 Upper class

0

0

0

0

Heaviness of drinking (AUDIT total score)

M = 8.80 (SD = 4.68)

9.92 (5.55)

8.35 (3.91)

8.14 (4.32)

Typical daily television use (hours)

M = 1.93 (SD = 1.92)

2.12 (2.33)

1.88 (1.40)

1.80 (1.97)

Typical daily internet use (hours)

M = 4.95 (SD = 2.82)

5.10 (2.56)

4.06 (1.96)

5.74 (3.53)