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Table 4 Weekly assessment questionnaire for the feedback messaging system

From: APOLO-Bari, an internet-based program for longitudinal support of bariatric surgery patients: study protocol for a randomized controlled trial

Please respond to the following questions by referring to the previous week (7 days). During the past week…

1. How many days did you skip meals (for example, breakfast, morning snack, lunch)?

2. How many days did you graze or nibble on small or modest amounts of food throughout the day in a repetitive and unplanned manner?

3. How many days did you feel that you overate (for example, had a second helping, continued eating after satiation, overate without feeling hungry)?

4. How many days did you feel that you overate or could not resist eating because you were feeling anxious, nervous, or sad, or other emotions?

5. How many days did you feel that you lost control over what you were eating (for example, being unable to resist eating or to stop eating after you started)

 a. On a scale from 1 to 5 (with 1 indicating very low and 5 indicating an extreme loss of control), to what extent did you feel a sense of loss of control during those situations?

6. How many days did you eat compulsively, losing control while eating an amount of food that was extremely large given the situation (for example, twice or more than what others would eat under the same situation)?

 a. On a scale from 1 to 5 (with 1 representing very low and 5 representing an extreme loss of control), to what extent did you feel a sense of loss of control during those situations?

7. How many days did you walk for more than 15 minutes?

8. How many days were you involved in structured physical activity for more than 30 minutes, such as going to the gym, playing soccer, or swimming?

9. On average, how many hours per day did you spend sitting for any reason (for example, working, browsing the internet, driving, watching TV on the sofa)?

10. Did you have surgery to remove the extra hanging skin this week? Yes, Date__; No.