Responses to survey question No 30, the meaning of ‘functional’
| Selection | Proportion (%) choosing the selection at all | Proportion (%) of those choosing only that selection |
| Abnormal brain function | 127/349 (36) | 45/127 (35) |
| Abnormal body function | 77/349 (22) | 17/77 (22) |
| Psychiatric problem | 104/349 (30) | 29/104 (28) |
| Not organic | 216/349 (62) | 128/216 (59) |