Several determinants of developing fear of falling (FoF) overlap with the consequences of diabetes mellitus (DM). We compared the prevalence and severity of FoF in older adults with and without DM and identified which FoF determinants contribute to FoF severity in older adults with DM. We used Canadian baseline data from the International Mobility in Aging Study (IMIAS) which identified 141 older adults with DM (DM-group;age:68.88±2.80years) and 620 without DM (noDM-group;age:68.81±2.68years). FoF was quantified with Falls Efficacy Scale–International (FES-I). FoF determinants were evaluated in demographic/health-related, physical, psychological, and social domains. High concern of FoF was more prevalent and of higher severity in 10/16 FES-I activities in the DM-group compared to the noDM-group. Higher FoF severity in the DM-group was associated with poor physical performance, being female, fall history, and clinical depressive symptoms. Protocols developed for screening and interventions may reduce FoF severity in this population.
