{"id":4503,"date":"2020-06-02T18:09:59","date_gmt":"2020-06-02T22:09:59","guid":{"rendered":"https:\/\/ccna-ccnv.ca\/ccna_publication\/body-mass-index-predicts-cognitive-aging-trajectories-selectively-for-females-evidence-from-the-victoria-longitudinal-2\/"},"modified":"2024-12-03T14:56:52","modified_gmt":"2024-12-03T19:56:52","slug":"body-mass-index-predicts-cognitive-aging-trajectories-selectively-for-females-evidence-from-the-victoria-longitudinal-2","status":"publish","type":"ccna_publication","link":"https:\/\/ccna-ccnv.ca\/fr\/ccna_publication\/body-mass-index-predicts-cognitive-aging-trajectories-selectively-for-females-evidence-from-the-victoria-longitudinal-2\/","title":{"rendered":"Body mass index predicts cognitive aging trajectories selectively for females: Evidence from the Victoria Longitudinal"},"content":{"rendered":"<h2 id=\"article--abstract--header\" class=\"section-title\" data-v-267e6b73=\"\">Abstract<\/h2>\n<div class=\"section-content\" data-v-267e6b73=\"\">\n<div data-v-267e6b73=\"\">\n<div id=\"article--abstract--content\" class=\"abstract\">OBJECTIVE<\/div>\n<div class=\"abstract\">Elevated body weight in midlife is an established risk factor for accelerated cognitive decline, impairment, and dementia. Research examining the impact of later-life body mass index (BMI) on normal cognitive aging has produced mixed results. There is a need for longitudinal designs, replication across multiple cognitive domains, and consideration of BMI effects in the context of important moderators. The present research examined (a) BMI prediction of neuropsychological performance and decline in executive function (EF), neurocognitive speed, and memory and (b) sex stratification of BMI effects.<\/div>\n<div><\/div>\n<div class=\"abstract\">METHOD<\/div>\n<div class=\"abstract\">Participants (n = 869; 573 females; M age = 71.75, range = 53-85 years) were older adults from the Victoria Longitudinal Study. Latent growth modeling was used to examine BMI as a predictor of level and change in three latent variables of cognition. The data were then stratified by sex to test whether BMI effects differed for females and males. We adjusted for selected medical, psychosocial, and demographic characteristics.<\/div>\n<div><\/div>\n<div class=\"abstract\">RESULTS<\/div>\n<div class=\"abstract\">Higher BMI predicted less decline in EF, neurocognitive speed, and memory. Interestingly, when the data were stratified by sex, higher BMI predicted less neuropsychological decline across domains for females only. BMI was unrelated to cognitive aging trajectories for males.<\/div>\n<div><\/div>\n<div class=\"abstract\">CONCLUSIONS<\/div>\n<div class=\"abstract\">We found that elevated BMI was a risk-reducing factor for cognitive decline only for females. Results may be used to enhance the precision with which intervention protocols may target specific subgroups of older adults.<\/div>\n<\/div>\n<\/div>\n","protected":false},"author":19,"featured_media":0,"template":"","meta":{"_acf_changed":false},"studies-relation":[],"class_list":["post-4503","ccna_publication","type-ccna_publication","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Body mass index predicts cognitive aging trajectories selectively for females: Evidence from the Victoria Longitudinal - CCNA - CCNV<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ccna-ccnv.ca\/fr\/ccna_publication\/body-mass-index-predicts-cognitive-aging-trajectories-selectively-for-females-evidence-from-the-victoria-longitudinal-2\/\" \/>\n<meta property=\"og:locale\" content=\"fr_CA\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Body mass index predicts cognitive aging trajectories selectively for females: Evidence from the Victoria Longitudinal - 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