Table 1 Sample questions included in the qualitative interview guide

1. How do you feel about the availability of vending machines in the university (including the university residential halls)?

- What do you like about them?

- What would you like to change?

2. What are the main reasons you purchase food from the vending machines located at the university? Please explain.

3. What do you think influences your food choices from the vending machines? Please explain.

4. What suggestions do you have to improve the vending machines located in the university?

5. Do you read the labels on vending machine food? Please tell me why or why not.

6. If you are you interested to learn more about how to choose healthy foods from the vending machine, please tell me the ways that you would prefer to learn.