The vast majority (97%) of participants were French speaking and 88% were born in France.
Diagnosis & Evaluation Methods
For a detailed description, see The 3C Study Group, 2003.
Feart C, Samieri C, Rondeau V, et al. Adherence to a Mediterranean diet, cognitive decline, and risk of dementia. JAMA. 2009 Aug;302(6):638-648.
Raffaitin C, Gin H, Empana JP, et al. Metabolic syndrome and risk for incident Alzheimer's disease or vascular dementia: the Three-City Study. Diabetes Care. 2009 Jan;32(1):169-174.
The 3C Study Group. Vascular factors and risk of dementia: design of the Three-City Study and baseline characteristics of the study population. Neuroepidemiology. 2003 Nov-Dec ;22(6):316-325.