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An Economic Evaluation of Resistance Training and Aerobic Training versus Balance and Toning Exercises in Older Adults with Mild Cognitive Impairment

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  • Jennifer C Davis
  • Stirling Bryan
  • Carlo A Marra
  • Devika Sharma
  • Alison Chan
  • B Lynn Beattie
  • Peter Graf
  • Teresa Liu-Ambrose

Abstract

Background: Mild cognitive impairment (MCI) represents a critical window to intervene against dementia. Exercise training is a promising intervention strategy, but the efficiency (i.e., relationship of costs and consequences) of such types of training remains unknown. Thus, we estimated the incremental cost-effectiveness of resistance training or aerobic training compared with balance and tone exercises in terms of changes in executive cognitive function among senior women with probable MCI. Methods: Economic evaluation conducted concurrently with a six-month three arm randomized controlled trial including eighty-six community dwelling women aged 70 to 80 years living in Vancouver, Canada. Participants received twice-weekly resistance training (n = 28), twice weekly aerobic training (n = 30) or twice-weekly balance and tone (control group) classes (n = 28) for 6 months. The primary outcome measure of the Exercise for Cognition and Everyday Living (EXCEL) study assessed executive cognitive function, a test of selective attention and conflict resolution (i.e., Stroop Test). We collected healthcare resource utilization costs over six months. Results: Based on the bootstrapped estimates from our base case analysis, we found that both the aerobic training and resistance training interventions were less costly than twice weekly balance and tone classes. Compared with the balance and tone group, the resistance-training group had significantly improved performance on the Stroop Test (p = 0.04). Conclusions: Resistance training and aerobic training result in health care cost saving and are more effective than balance and tone classes after only 6 months of intervention. Resistance training is a promising strategy to alter the trajectory of cognitive decline in seniors with MCI. Trial Registration: ClinicalTrials.gov NCT00958867.

Suggested Citation

  • Jennifer C Davis & Stirling Bryan & Carlo A Marra & Devika Sharma & Alison Chan & B Lynn Beattie & Peter Graf & Teresa Liu-Ambrose, 2013. "An Economic Evaluation of Resistance Training and Aerobic Training versus Balance and Toning Exercises in Older Adults with Mild Cognitive Impairment," PLOS ONE, Public Library of Science, vol. 8(5), pages 1-9, May.
  • Handle: RePEc:plo:pone00:0063031
    DOI: 10.1371/journal.pone.0063031
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    References listed on IDEAS

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    1. Eugene M. Laska & Morris Meisner & Carole Siegel, 1997. "Statistical Inference for Cost–Effectiveness Ratios," Health Economics, John Wiley & Sons, Ltd., vol. 6(3), pages 229-242, May.
    2. Claxton, Karl, 1999. "The irrelevance of inference: a decision-making approach to the stochastic evaluation of health care technologies," Journal of Health Economics, Elsevier, vol. 18(3), pages 341-364, June.
    3. Glick, Henry A & Doshi, Jalpa A & Sonnad, Seema S & Polsky, Daniel, 2007. "Economic Evaluation in Clinical Trials," OUP Catalogue, Oxford University Press, number 9780198529972.
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    1. Claudia Kardys & Kristina Küper & Stephan Getzmann & Michael Falkenstein & Claudia Voelcker-Rehage, 2022. "A Comparison of the Effects of Short-Term Physical and Combined Multi-Modal Training on Cognitive Functions," IJERPH, MDPI, vol. 19(12), pages 1-19, June.
    2. Angelika Cisek-Woźniak & Kinga Mruczyk & Rafał W. Wójciak, 2021. "The Association between Physical Activity and Selected Parameters of Psychological Status and Dementia in Older Women," IJERPH, MDPI, vol. 18(14), pages 1-15, July.

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