| 0 Day | 1 Day | 2 Days | 3 Days | 4 days | 5 Days | 6 Days | 7 Days | |
| 1. Eat home-made food | ||||||||
| 2. Buy ready-to-eat food (i.e., from supermarkets) | ||||||||
| 3. Order food at home (i.e., pizza or sandwiches) | ||||||||
| 4. Eat in the home of friends or family | ||||||||
| 5. Eat at restaurants | ||||||||
| 6. Eat at fast-food outlets |