Table 2 Mean scores of the Theory of Planned Behaviour constructs and fruit and vegetable serves on menus by intervention group

Primary outcomes

Mean

sd

Mean

sd

p value

 Intention^a,b

6.6

0.4

6.2

0.6

0.0005*

 Vegetable (number of serves)

3.8

1.1

3.3

0.8

0.0573

 Fruit (number of serves)

2.9

0.6

2.9

0.7

0.7278

Secondary outcomes (TPB)

 Attitudes^a,b

6.7

0.4

6.4

0.5

0.0071*

 Subjective norm^a,b

6.1

0.8

6.1

0.5

0.6088

 Perceived behavioural control^a,b

6.3

0.6

5.8

0.8

0.0008*