Table 2 Cross-sectional association between social contexts and screen behaviours on a weekend day in boys (n = 1805) and girls (n = 2180)

Phone calls and Email/texts

Boys

Girls

OR (95% CI)

P value

OR (95% CI)

P value

Alone

Reference group

Reference group

Parents only

0.80 (0.65, 0.97)

0.02

0.53 (0.36, 0.77)

 < 0.001

Friends only

1.85 (1.59, 2.15)

 < 0.001

0.93 (0.60, 1.42)

0.74

Siblings only

1.02 (0.48, 2.16)

0.94

0.60 (0.37, 0.98)

0.04

Parents & siblings

0.88 (0.46, 1.67)

0.70

0.52 (0.33, 0.81)

0.004

Other grouping

0.72 (0.55, 0.95)

0.02

0.37 (0.22, 0.64)

 < 0.001

Social network and Internet browsing

Boys

Girls

OR (95% CI)

P value

OR (95% CI)

P value

Alone

Reference group

Reference group

Parents only

0.64 (0.57, 0.72)

 < 0.001

0.47 (0.43, 0.63)

 < 0.001

Friends only

0.17 (0.10, 0.35)

 < 0.001

0.42 (0.31, 0.57)

 < 0.001

Siblings only

0.94 (0.56, 1.59)

0.84

0.64 (0.43, 0.94)

0.02

Parents & siblings

0.48 (0.42, 0.54)

 < 0.001

0.26 (0.19, 0.36)

 < 0.001

Other grouping

0.23 (0.13, 0.40)

 < 0.001

0.22 (0.14, 0.33)

 < 0.001

Electronic games

Boys

Girls

OR (95% CI)

P value

OR (95% CI)

P value

Alone

Reference group

Reference group

Parents only

0.59 (0.45, 0.79)

 < 0.001

1.17 (0.99, 1.37)

0.05

Friends only

3.23 (2.36, 4.44)

 < 0.001

3.12 (1.59, 6.09)

0.001

Siblings only

2.13 (1.43, 3.19)

 < 0.001

4.67 (2.78, 7.86)

 < 0.001

Parents & siblings

0.41 (0.30, 0.55)

 < 0.001

0.95 (0.61, 1.49)

0.84

Other grouping

0.46 (0.30, 0.72)

0.001

0.70 (0.57, 0.86)

 < 0.001

TV-viewing

Boys

Girls

OR (95% CI)

P value

OR (95% CI)

P value

Alone

Reference group

Reference group

Parents only

4.79 (3.82, 6.01)

 < 0.001

4.61 (3.82, 5.57)

 < 0.001

Friends only

0.51 (0.33, 0.77)

0.002

0.96 (0.73, 1.27)

0.80

Siblings only

5.43 (3.98, 7.41)

 < 0.001

4.59 (3.53, 5.97)

 < 0.001

Parents & siblings

4.40 (3.49, 5.57)

 < 0.001

5.01 (4.11, 6.10)

 < 0.001

Other grouping

1.79 (1.66, 1.93)

 < 0.001

1.51 (1.18, 1.94)

0.001