Table 2 Summary of measures
Instrument | Time of measurement1 | |
|---|---|---|
Primary outcome measure | ||
Physical Activity | T1, T2, T3 | |
Actigraph | T2 (20 persons) | |
Secondary outcome measures | ||
Subjective prognosis of employment | SPE-Scale [32] | T1, T2, T3 |
Participation | IMET [33] | T1, T2, T3 |
Person-related variables | ||
Age, sex, height, weight, | Unstandardized questionnaire | T1 |
Education level | Unstandardized questionnaire | T1 |
Health Related Quality of Life | EQ-5D-5 L | T1, T2, T3 |
Physical activity related variables | ||
Barriers of PA | [34] (modified) | T2, T3 |
Perceived consequences of PA | [35] | T2, T3 |
Support of family and friends | Fuchs (modified) | T2, T3 |
Indication-specific variables | ||
Activities of daily living | FFbH-R [36] | T1, T2, T3 |
Pain | SF-36, NRS | T1, T2, T3 |
Disease duration | Unstandardized questionnaire | T1 |
Complications | Unstandardized questionnaire | T2, T3 |
Healthcare utilization | Unstandardized questionnaire | T2, T3 |
Work-related variables | ||
Period of sick listing | Unstandardized questionnaire | T1, T2, T3 |
Subjective workability | Unstandardized questionnaire | T1, T2, T3 |
Pension claim | Unstandardized questionnaire | T1, T2, T3 |