Collected Dataset / EPIDEMCA_Gamboma_F2

At each follow-up, an oral interview using a standardized questionnaire was conducted in participant’s homes. Vital status was recorded, in case of death the date was recorded and a verbal autopsy was performed. History of illness before death and probable cause of death were sought.

Sociodemographic characteristics (age, sex, education, residence) were recorded. Participants health were investigated: history of cardiovascular disease (stroke, heart disease, hypertension, diabetes) as well as tobacco and alcohol consumptions. Depressive symptomatology was collected through the Geriatric Depression Scale. Careful description of daily living activities particularly leisure, other social activities, Instrumental Activities of Daily Living (through the CA-DFI) in order to evaluate the dependence.

Neurological assessments were completed by additional cognitive tests: the Free and Cued Selective Reminding Test (oral version with image), Zazzo’s cancellation task and Isaac’s Set Test of verbal fluency.

Diagnosis of dementia was made according to the DSM-IV criteria and according to the clinical criteria proposed by the NINCDS-ADRDA (National Institute of Neurological and Communicative Disorders and Stroke and the Alzheimer’s Disease and Related Disorders Association) for AD. Diagnosis for other types of dementia (especially vascular dementia) was based on history of stroke and other clinical arguments. Petersen’s criteria were used for Mild Cognitive Impairment. Subjective memory complaints were recorded with the "Questionnaire de Plainte Cognitive" and the severity of dementia evaluated by the Clinical Dementia Rating Scale. Behavioural and Psychological Symptoms of Dementia were investigated through the brief version of the NeuroPsychiatric Inventory (NPI).

A brief physical examination included: blood pressure, ankle-brachial index, height, weight, and waist circumference.