Development of a late-life dementia prediction index with supervised machine learning in the population-based CAIDE study Manuscript Number: 16-0560R1 Author(s): Anette Hall, Miia Kivipelto, Tiina Laatikainen, Jyrki Lötjönen, Jussi Mattila, Tiia Ngandu, Timo Pekkala, Hilkka Soininen, Alina Solomon