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A Randomized Trial of a Community-based Cognitive Intervention for Obese Senior Adults
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Dec 16 2012
Source: J Aging Health. 25(1):97-118. -
Alternative Title:J Aging Health
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Description:Objectives
To determine whether a cognitive intervention delivered by lay health educators (LHEs) in senior centers was effective in improving cognition in obese older adults.
Methods
This cluster randomized trial was conducted in 16 senior centers from which 228 senior adults were recruited. The centers were randomized to either the cognitive intervention or a control, weight-loss intervention. The primary outcome variable, cognitive function, was measured using the Repeatable Battery for the Assessment of Neuropsychological Status (RBANS).
Results
Analyses of RBANS indices as continuous variables did not indicate significant differences between arms. However, after adjusting for baseline delayed memory, gender, and baseline body mass index, seniors in the cognitive intervention arm had a 2.7 times higher odds of a reliable improvement (clinically significant) in delayed memory from baseline as compared to those in the control intervention (95% CI, 1.3-5.6, p=.011). The intervention effect was not significant for the proportion showing reliable improvement in immediate memory or in attention. Attendance at the 12-session program was high with an average of 83% (67-92%) sessions attended and 87% of participants in the cognitive arm indicating they would recommend the program.
Discussion
Cognitive interventions can be effectively delivered in the community by LHEs.
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Pubmed ID:23248351
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Pubmed Central ID:PMC3947810
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