A Retrospective Study of Non-Communicable Diseases amongst Blue-Collar Migrant Workers in Qatar.

South Asian workers have a greater predisposition to non-communicable diseases (NCDs) that is exacerbated by migration and length of residence in host countries. To examine the association between length of residence in Qatar with diagnosis of NCDs in male blue-collar workers. A retrospective investigation of the electronic health records (EHRs) of 119,581 clinical visits by 58,342 patients was conducted.