Table 5 Associations of friend norm and friend modelling with soft drink intake, TV viewing, daily breakfast and sport participation stratified ^a by family rules, parental norm and parental modelling

No

Bad- very bad

-

0.079

−117.2

−181.8

−52.7

n.c.^c

Neither good nor bad

-

Ref^d

Ref

Good - very good

-

0.059

107.2

74.1

140.3

0.070

53.1

36.2

70.0

Yes

Bad- very bad

-

−42.1

−82.6

−1.6

n.c.

Neither good nor bad

-

Ref

Ref

Good - very good

-

81.5

54.7

108.3

20.3

−4.57

45.2

Friend modelling

No

Never -not often

0.188

.48

.34

.66

0.878

−91.1

−187.2

5.1

n.c.

Sometimes

0.077

Ref

Ref

Ref

often - always

0.149

2.16

1.85

2.52

0.001

163.3

128.3

198.4

0.003

48.1

36.3

59.8

Yes

Never -not often

.60

.46

.80

−78.9

−148.0

−9.7

n.c

Sometimes

Ref

Ref

Ref

Often - always

1.87

1.60

2.17

95.8

67.9

123.7

20.1

4.11

36.1

Parental norm

Friend modelling

‘Very bad -neither good nor bad’

Never -not often

0.009

.96

−81.8

83.7

Sometimes

Ref

Ooften - always

0.281

136.1

107.4

164.8

‘Good - very good’

Never -not often

−145.2

−225.5

−65.0

Sometimes

Ref

Often - always

110.3

75.0

145.6

Parental modelling

Friend modelling

p-value for interaction term

b^b

95% CI

friend modelling

p-value for interaction term

‘Never - sometimes’

Never -not often

<0.001

−147.6 ^e

−210.1

−85.2

‘never - not often’

never -not often

0.035

.68

.44

1.06

Sometimes

Ref^e

sometimes - always

Ref

Often - always

<0.001

62.7 ^e

37.1

88.4

‘Often - always’

never -not often

119.9

−3.7

243.5

‘Sometimes – always’

never -not often

.42 ^f

.30

.58

sometimes

Ref

sometimes - always

Ref^f

often - always

152.7

108.4

197.0