Knowledge, awareness and perceptions of diabetes mellitus among the Saudi population.

High prevalence of undiagnosed cases of diabetes mellitus (DM) has increased over the last two decades, most patients with DM only become aware of their condition once they develop a complication. Limited data are available regarding the knowledge and awareness about DM and the associated risk factors, complications and management in Saudi society. This study aimed to assess knowledge of DM in general Saudi society and among Saudi healthcare workers.