Eldemire-Shearer and colleagues (2018) found that the female gender (70.6%) was significantly associated with higher rates of dementia than males.

References:

Eldemire-Shearer, D., James, K., Johnson, P., Gibson. R., Willie-Tyndale, D. (2018). Dementia among Older Persons in Jamaica: Prevalence and Policy Implications. West Indian Medical Journal, 2018; 67 (1): 1. Available from: https://www.mona.uwi.edu/fms/wimj/system/files/article_pdfs/wimj-iss1-2018_1_8.pdf