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Hourly mean amount of physical activity across dementia groups. Hourly mean physical activity was most robust from 18:00 to 18:59 and most sedentary from 1:00 to 1:59 for both groups. There were significant differences in physical activity from 7:00 to 13:59 and from 16:00 to 18:59. †CDR: Clinical Dementia Rating Mann-Whitney U test. *P < .05; **P < .01; ***P < .001.
