Examples of the open-ended questions in each domain
| Domain | Example questions |
| Perception of healthy and unhealthy eating | ‘What do you understand by healthy foods?’ ‘What do you understand by unhealthy foods?’ |
| Facilitators to healthy eating at workplace | ‘What factors determine your food choices?’ ‘What facilitates your choosing healthy food?’ |
| Barriers to healthy eating at workplace | ‘What prevents you from choosing healthy food?’ |