Which factors preceding dementia identification impact future healthcare use trajectories: multilevel analyses in administrative data.

"Declarations Ethics approval and consent to participateThe FRA-DEM cohort received approval from the Data Protection French Authority (CNIL authorization n°1631786-DE-2013-037). All methods were carried out in accordance with the French legislation related to the SNDS. Written informed consent from the participants was not required to participate in this study, in accordance with the French legislation related to the SNDS (pseudonymised data). Consent for publicationNot applicable. Competing interestsThe authors declare no competing interests. Competing interests The authors declare no competing interests."

"Funding This work was supported by the Agence Nationale de Recherche et Technologies [grant number 2020/0774] and the Agence Régionale de Santé Occitanie, in the context of the PhD thesis of A.Couret."