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Coefficient for each item of the formula for measurement scale
| Item | 1 Social function | 2 Mental health | 3 Lumbar function | 4 Walking ability | 5 Low back pain |
|---|---|---|---|---|---|
| Ql-1 | 20 | ||||
| Ql-2 | 2 | ||||
| Ql-3 | 20 | ||||
| Ql-4 | 10 | ||||
| Ql-5 | 10 | ||||
| Ql-6 | 20 | ||||
| Ql-7 | 20 | ||||
| Ql-8 | 10 | ||||
| Ql-9 | 30 | ||||
| Ql-10 | 30 | ||||
| Ql-11 | 10 | ||||
| Ql-12 | 20 | ||||
| Ql-13 | 3 | ||||
| Ql-14 | 10 | ||||
| Q2-1 | −4 | ||||
| Q2-2 | 10 | ||||
| Q2-3 | 20 | ||||
| Q2-4 | 4 | 30 | |||
| Q2-5 | 6 | ||||
| Q2-6 | 10 | ||||
| Q2-7 | 6/ | ||||
| Q2-8 | 6 | ||||
| Q2-9 | −3 | ||||
| Q2-10 | −3 | ||||
| Q2-11 | 3 |
