Demographic and patient related characteristics
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Gender, country, age, education, and Quetelet Index |
Work related interventions and characteristics
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Other ergonomic interventions (adaptation workplace, job tasks adaptation, working hours adaptation, therapeutic work resumption, job training, sheltered workshop) |
Patient working hours, patient job duration, firm company size, patient work ability, attitude towards work, physical job demands, social support, job strain (Karasek Theorell’s demand-support-control scale) |
Health related characteristics
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General health (subscale of SF-36), active coping, passive coping, co-morbidity (interference with work resumption), pain intensity (von Korff pain intensity scale), pain sciatica, sickleave history due to back pain (in the last year), patient functional limitations (Hannover ADL) |
Medical interventions
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Surgery, pain medication, passive treatment, manipulation, active treatment (individual or groupwise training, gymnastics, back school) |