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This is a Quantitative Study study.

October 6, 2025Open Access

A System Dynamics Framework for Analyzing and Ranking Factors Influencing Life Expectancy

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System dynamics reveals key factors affecting life expectancy in Iran, highlighting implications for healthcare policy.

Inflation significantly reduces life expectancy by over four years with a 10% annual increase in Iran, emphasizing the need for effective economic policies.
Findings indicate that healthcare access, environmental quality, and nutrition positively influence life expectancy, reinforcing the importance of these factors.
This research utilizes system dynamics modeling to simulate the interdependent factors affecting life expectancy, offering novel insights for policymakers.
The analysis is based on structured questionnaires validated with a Cronbach's alpha of 0.74, indicating good internal consistency of the selected indicators.

A 2025 study studied this question.

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