[P1–616]: DIETARY INTERVENTION ADHERENCE AND COGNITIVE CHANGES AMONG INDIVIDUALS WITH ELEVATED RISK OF DEMENTIA: THE FINNISH GERIATRIC INTERVENTION STUDY TO PREVENT COGNITIVE IMPAIRMENT AND DISABILITY (FINGER). (1st July 2017) - Lehtisalo, Jenni; Ngandu, Tiia; Lindstrom, Jaana; Levälahti, Esko; Peltonen, Markku; Hänninen, Tuomo; Antikainen, Riitta; Laatikainen, Tiina; Strandberg, Timo; Tuomilehto, Jaakko; Soininen, Hilkka; Kivipelto, Miia