Table 1 Health states as described in the questionnaire
Health state | Description |
|---|---|
A) | People in this health state are in complete health. |
B) | People in this health state have problems with the knee joints. |
C) | People in this health state have problems with the knee joints and suffer from Asthma. |
D) | People in this health state have problems with the knee joints, suffer from Asthma and are partially sighted. |
E) | People in this health state suffer from Asthma, are weak sighted and need a wheelchair. |
F) | People in this health state are completely dependent on others. They suffer extreme pain and are unconscious at times. |