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Main research factors and variable assignment.
| Research factors | Assignment description |
|---|---|
| PF | High = 0; low = 1 |
| RP | High = 0; low = 1 |
| BP | Low = 0; high = 1 |
| SF | High = 0; low = 1 |
| ER | High = 0; low = 1 |
Note: PF: physiological function; RP: role physical; BP: bodily pain; SF: social function; ER: emotional function.
