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Table 1 Outcome-parameters and instruments of the study

From: Rationale, design and conduct of a comprehensive evaluation of a primary care based intervention to improve the quality of life of osteoarthritis patients. The PraxArt-project: a cluster randomized controlled trial [ISRCTN87252339]

Outcome-Parameter (Patient)

Instrument

Primary Outcome

 

Quality of life

GERMAN-AIMS2-SF

Secondary outcome

 

Health care utilization

questonnaire, retrospective chart review

Patient satisfaction

modified EUROPEP

Physical activity

6 minutes walking, CDC-criteria, specific questions

Medication

questionnaire, retrospective chart review

Confounder control

 

Mental comorbidity

PHQ-9