Koehoorn M. Impact of pre-existing chronic conditions on age differences in sickness absence after a musculoskeletal work injury: A path analysis approach.

Smith P, Bielecky A, Ibrahim S, Mustard C, Saunders R, Beaton D, Koehoorn M, McLeod C, Scott-Marshall H, Hogg-Johnson S. Impact of pre-existing chronic conditions on age differences in sickness absence after a musculoskeletal work injury: A path analysis approach. Scand J Work Environ Health. 2014 Mar;40(2):167-75. doi: 10.5271/sjweh.3397. Epub 2013 Oct 31. PMID: 24173365.