| Motivation of the request | Yes | No | Sometimes | TOTAL |
| Efficient | 33 | 0 | 0 | 33 |
| Essential | 32 | 0 | 1 | 33 |
| Available | 27 | 0 | 1 | 28 |
| Less expensive | 9 | 0 | 0 | 9 |
| Unavailable | 0 | 4 | 0 | 4 |
| Radiating | 0 | 21 | 0 | 21 |
| Invasive | 0 | 3 | 0 | 3 |
| Expensive | 0 | 11 | 0 | 11 |
| Depend upon the symptoms | 0 | 43 | 1 | 44 |
| Other | 2 | 6 | 0 | 8 |