Nadine Correia Santos|Patrício Costa|Pedro Cunha|Jorge Cotter|Adriana Sampaio|Josef Zihl|Osborne F. X. Almeida|João José Cerqueira|Joana Almeida Palha|Nuno Sousa
Mood is a key determinant of cognitive performance in community-dwelling older adults: a cross-sectional analysis
University of Minho|University of Minho|University of Minho|University of Minho|University of Minho|Max Planck Institute of Psychiatry|University of Minho
identification predictors cognitive trajectories establishment composite singleparameter dimensional categories cognition mood may facilitate development strategies improve quality life elderly participants n 487 aged 50 years representative portuguese population terms age gender educational status cognitive mood profiles established using battery neurocognitive psychological tests data subjected principal component analysis identify core dimensions cognition mood encompassing multiple test variables dimensions correlated age respect gender education occupational status cluster analysis applied isolate distinct patterns cognitive performance binary logistic regression models explore interrelationships aging cognition mood sociodemographic characteristics four main dimensions identified memory executive function global cognitive status mood based strong weak cognitive performers distinguishable cluster analysis revealed distinction within two main categories good good poor poor performers mood principal factor contributing separation good good well poor poor performers clustering also influenced gender education albeit lesser extent notably however female gender lower educational background predicted significantly poorer cognitive performance increasing age mood significant impact rate cognitive decline elderly gender educational level early determinants cognitive performance later life