Patients With Alzheimer Disease, Spouse Carers and Risk of Institutionalization: a Prospective Observational Cohort Study of Dyads (AID Study)

Inclusion Criteria: * Eligibility criteria for AD patients were: * Over age 65, * Diagnosis of AD according to the NINCDS-ADRDA ( National Institute of Neurological and Communicative Disorders and Stroke and the Alzheimer's Disease and Related Disorders Association) criteria, * Last memory center consultation between 6 and 12 months before the inclusion, * Being affiliated to the French health insurance, * Living at home, * Having a caregiver with inclusion criteria, * Agreement of General Practitioner (GP) of AD patient to participate in the study and affiliation of the GP to the national "Association pour le Développement de l'Information Médicalisée" (ADIM) French network. * Eligibility criteria for spouse carers were: * Over age 65, * Being the spouse and the caregiver of AD patient, * Being affiliated to the French health insurance, * Living at home with AD patient. Exclusion Criteria: * Non inclusion criteria for AD patients and spouse carers were: * An inability to understand and speak French, * Acute disease in the past month of baseline assessment, * Expected moving outside the recruitment area during the follow-up period * Concomitant participation in a clinical trial.