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Optimizing equipment requirements and configuration rules for elderly home treatment environments: a rough set
Rui Wang1,2, Wei-Yan Ding1, Zhan-Yan Zhou1
1College of Architecture and Design, Nanchang University, Nanchang, China.
Frontiers in Medicine
|November 19, 2025
Summary
Elderly satisfaction with home treatment devices hinges on complex combinations of safety, cost, usefulness, and other factors. Understanding these configurations is key for improving device design and user well-being in aging populations.
Area of Science:
- Gerontology
- Health Technology Assessment
- Human-Computer Interaction
Background:
- Global population aging presents challenges for elderly health and quality of life.
- Sub-health and pre-frailty states in older adults increase health risks.
- Home treatment devices offer potential solutions, but user satisfaction drivers are unclear.
Purpose of the Study:
- To identify and analyze key antecedent conditions influencing elderly users' satisfaction with home treatment devices.
- To explore the configurational interactions of these conditions.
Main Methods:
- Configurational approach using Fuzzy Delphi Method (FDM) and Rough Set Analysis (RSA).
- Literature review and expert consultation (18 experts) to identify nine key conditions.
- Questionnaire survey of 163 elderly users (aged 60-80) in Qingdao, China.
Main Results:
- Ten valid rules identified multiple pathways to satisfaction and dissatisfaction.
- Dominant satisfaction pathway: High Safety and Cost Control (45.37% coverage).
- Key dissatisfaction pathway: Low Safety and Usefulness (35.71% coverage).
- Effectiveness of conditions like safety and usefulness depends on combinations with cost, cultural, health, and policy factors.
- Dissatisfaction often stems from deficiencies in basic conditions.
Conclusions:
- Findings reveal causal complexity, equifinality, and asymmetry in user satisfaction.
- Extends configurational theory to home treatment devices for the elderly.
- Provides practical insights for optimizing home treatment device design and policy development.
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