Burdorf, A.

health study worker exposure factor patient complaint group intervention level month sickness absence population model effect risk factors activity table absence result work ability women questionnaire association subject netherland outcome musculoskeletal asbestos environ shoulder sickness disease occup analysis characteristic information employment ability disability productivity loss score follow-up productivity 12 months pregnancy symptom number period measure baseline participant rotterdam burdorf control mesothelioma education difference pesticide disorder article signi study population device status duration variable measurement industry participation review work-related dutch birth handling cohort prevalence ratio demand assessment