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Table 1 Content of method inventory and outcome parameters

From: Individual and occupational risk factors for knee osteoarthritis – Study protocol of a case control study

Parameter Intention Outcome Source*
sociodemographic factors matching variables and basic description distribution [39]
musculoskeletal symptoms description of health status health status [40]
frequency and duration of e.g. kneeling, squatting, lifting and carrying occupational exposure cumulative effects [35, 41, 42 and own development]
diseases & injuries, drinking alcohol, smoking possible confounding factors cumulative effects [35, 41, 42 and own development]
frequency and duration of sports possible confounding factors cumulative effects  
frequency and duration of leisure time activities possible confounding factors cumulative effects  
questions on hormone balance/imbalance possible confounding factors cumulative effects [41]
questions on knee status selection variables   [35]
knee status: grade & localities of knee OA, secondary disorders and kind of diagnostics to be compared with occupational tasks   [own development]
  1. * [35, 41, 42] cite research articles describing different studies and results. The use of the very items in the ArGon questionnaire was kindly permitted by the responsible authors on request of the study group.
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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