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Trajectories of functional ability over the life course: a conceptual model of the interaction of stressor‐induced functional loss and resilience

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  • David B. Matchar
  • John P. Ansah
  • Victoria Koh
  • Heather E. Whitson

Abstract

Understanding the factors that influence functional ability over the life course is integral to identifying clinical and public health policies to facilitate successful aging. The World Health Organization has advocated a conceptual framework to clarify the policy discussion. We have sought to translate this general framework into an explicit system dynamics model of the interaction of physiological loss, stressors and endogenous responses to produce a familiar variety of trajectories of functional ability over the life courses. Simulation experiments were implemented for both a 30‐month duration with only one major stressor; and for the life course with an initial major stressor and subsequent stressors determined by the level of functional ability. For both contexts, variations in the few parameters in the scenarios led to a realistic range of trajectories of function over time. © 2019 System Dynamics Society

Suggested Citation

  • David B. Matchar & John P. Ansah & Victoria Koh & Heather E. Whitson, 2018. "Trajectories of functional ability over the life course: a conceptual model of the interaction of stressor‐induced functional loss and resilience," System Dynamics Review, System Dynamics Society, vol. 34(4), pages 481-502, October.
    • Handle: RePEc:bla:sysdyn:v:34:y:2018:i:4:p:481-502
    DOI: 10.1002/sdr.1611
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    Cited by:

    1. Negar Darabi & Niyousha Hosseinichimeh, 2020. "System dynamics modeling in health and medicine: a systematic literature review," System Dynamics Review, System Dynamics Society, vol. 36(1), pages 29-73, January.

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