Occupational physical activity differentially affects the risk for developing later-onset Crohn’s disease and ulcerative colitis among middle-aged and older populations

Background A person’s occupation may increase his/her risk for developing inflammatory bowel disease (IBD). This study investigated the association between risk for later-onset of IBD and both specific occupations and occupational physical activity (OPA) levels.Materials and methods A multicenter hospital-based matched case-control study was conducted using the Inpatient Clinico-Occupational Survey database. Cases were patients with Crohn’s...