METHODS: A case control study was conducted between 2009 and 2017, including 3032 case control pairs 1516 cases and 1516 controls matched on sex, age, and center in 5 major public health hospitals in Morocco. Questionnaires on sociodemographic data, lifestyle, family history of CRC, and nonsteroidal anti inflammatory drugs NSAIDs were completed by trained investigators during face to face interviews. ...