Table 1 The intercept survey questions asked during kJ labelling, only period and kJ labelling with social marketing period, respectively

• Are you aged between 19 and 24 years (inclusive) today?

• Are you a full time or part time student at this university?

• What Faculty are you currently studying in?

• What year are you currently enrolled in?

• How many times IN A WEEK do you usually eat from this outlet?

• Were you aware of any nutritional information at the outlet?

• Where is the observed nutritional information located?

• Can you recall the observed specific nutritional information at the outlet?

• How does the nutritional information on site influence your food choice?

• What did you buy?

• Was this choice influenced by the energy labelling?

• What do you anticipate will be the impact of these menu labelling changes in Manning Grill?

• What do you think about the Kilojoule labelling? Do you:

- Like

- Dislike

• Recall the location of any recent advertising regarding Kilojoule food and drink labelling

• Describe any advertising you had seen or heard.

• Look at these marketing stimuli (bar top screen, placemats, poster, and flyers). Have you seen or heard different elements of the KJ labelling marketing campaign?

• After viewing all the campaign stimuli, what do you think is the main message of the campaign?

• How does the nutritional information (in the marketing campaign stimuli) on site influence your food choice? (Select as many as apply).

• What did you buy?

• Was this choice influenced by the (marketing campaign stimuli) of energy labelling?

• What is your impression of the Kilojoule labelling campaign? (Have you found this campaign informative/necessary/believable/relevant to you?)