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Related Concept Videos

Models of Health Promotion and Illness Prevention II01:18

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The person's health status fluctuates continually, varying from being in good health to becoming ill and returning to being healthy. To understand the concept of illness prevention, there are two models. First, the health-illness continuum model is a graphic representation of an individual's wellness. It states that a person is considered healthy in the absence of physical disease and the presence of good emotional health.
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Models of Health Promotion and Illness Prevention I01:25

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A model is a theoretical way to understand a concept or an idea. Models can overcome barriers to health regardless of diverse economic and cultural backgrounds. In addition, models make the task easier by providing different ways to approach complex issues. There are two major health promotion models: the health belief model and the health promotion model.
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Health promotion allows a person to control the determinants of health, resulting in an improved health status. It enhances the quality of life and reduces premature deaths. Health promotion and illness prevention programs help people make beneficial choices to reduce the risk of disease and disabilities. There are three health promotion and illness prevention levels: primary, secondary, and tertiary prevention.
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Related Experiment Video

Updated: Aug 12, 2025

Design and Analysis for Fall Detection System Simplification
08:05

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Developing a fall prevention intervention economic model.

Hailey Saunders1, Carol Anderson2, Fabio Feldman3

  • 1Knowledge Translation Program, Li Ka Shing Knowledge Institute, St. Michael's Hospital-Unity Health Toronto, Toronto, Ontario, Canada.

Plos One
|January 27, 2023
PubMed
Summary
This summary is machine-generated.

This study developed and validated a model structure for fall prevention economic evaluations. The modified Delphi process ensured expert consensus on key health states and patient attributes for cost-effectiveness analysis.

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Area of Science:

  • Health economics
  • Gerontology
  • Public health

Background:

  • Model-based economic evaluations are crucial for assessing healthcare interventions.
  • Conceptualizing model structure is a critical first step.
  • Fall prevention interventions require robust economic evaluation frameworks.

Purpose of the Study:

  • To identify essential health states, events, and patient attributes for fall prevention cost-effectiveness analysis.
  • To develop a model structure for evaluating fall prevention interventions.
  • To assess the face validity of the developed model structure.

Main Methods:

  • A modified Delphi process involving 11 experts from diverse fields.
  • Two rounds of online surveys informed by literature search on fall prevention.
  • Teleconferences to confirm face validity of the proposed model structure.

Main Results:

  • Consensus reached on 14 health states/events and 26 patient characteristics.
  • The final model structure incorporated 12 of the 14 selected health states/events.
  • Expert panel confirmed the face validity of the model structure.

Conclusions:

  • This study provides a transparent model conceptualization process for fall prevention economic evaluations.
  • The modified Delphi approach facilitated consensus among diverse stakeholders.
  • The developed model structure serves as a valuable case study for future economic modeling.