| Do you eat regularly? | Yes | 5 (62.5) |
| No | 3 (37.5) |
| How many meals do you eat a day? | Less than 3 times per day | 1 (12.5) |
| 3 times per day | 5 (62.5) |
| 4~5 times per day | 2 (25.0) |
| Do you have any basic knowledge concerning proper nutrition? | Yes | 5 (62.5) |
| No | 3 (37.5) |
| For the following three major component of food, can you estimate what percentage you would like to be in your daily diet?: Carbohydrate, protein, fat | Yes | 5 (62.5) |
| No | 3 (37.5) |
| Do you take any other supplements or pharmacologists' substances? | Yes | 1 (12.5) |
| No | 7 (87.5) |
| Do you eat fruit and vegetables everyday? | Yes | 5 (62.5) |
| No | 3 (37.5) |