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ABSTRACT: Introduction
Weight loss and increased physical activity interventions are commonly recommended for individuals with type 2 diabetes (T2D) and overweight or obesity. We examined the impact of randomization to an intensive lifestyle intervention (ILI) on trajectories of cognitive function over 10 years in a cohort of participants in a randomized clinical trial who had T2D and overweight/obesity at baseline.Methods
Participants aged 45-76 years were enrolled in 2001-2004 and were randomized to the ILI or a diabetes support and education (DSE) condition. Cognitive function was assessed in 3,938 participants at up to 4 time points 8-18 years after randomization. General linear mixed effects models examined cognitive trajectories over time. Subgroup analyses focused on sex, individuals with baseline body mass index >30, those carrying the APOE ε4 allele, and those with a baseline history of cardiovascular disease (CVD).Results
Overall, there were no differences in the rate of cognitive decline by intervention arm. Subgroup analyses showed that participants who had a baseline history of CVD and were randomized to the ILI arm of the study performed significantly worse on the Stroop Color Word Test than those in the DSE arm.Discussion/conclusions
The ILI did not result in preserved cognitive function or slower rates of cognitive decline in this cohort of individuals who had T2D and were overweight or obese at baseline.
SUBMITTER: Hayden KM
PROVIDER: S-EPMC8530880 | biostudies-literature | 2021
REPOSITORIES: biostudies-literature
Hayden Kathleen M KM Neiberg Rebecca H RH Evans Joni K JK Luchsinger José A JA Carmichael Owen O Dutton Gareth R GR Johnson Karen C KC Kahn Steven E SE Rapp Stephen R SR Yasar Sevil S Espeland Mark A MA
Dementia and geriatric cognitive disorders 20210819 3
<h4>Introduction</h4>Weight loss and increased physical activity interventions are commonly recommended for individuals with type 2 diabetes (T2D) and overweight or obesity. We examined the impact of randomization to an intensive lifestyle intervention (ILI) on trajectories of cognitive function over 10 years in a cohort of participants in a randomized clinical trial who had T2D and overweight/obesity at baseline.<h4>Methods</h4>Participants aged 45-76 years were enrolled in 2001-2004 and were r ...[more]