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Other Disclosures4483JMDC Inc.Information and Communications, Services and Others

JMDC and Sumitomo Life Insurance Company Present Latest Findings from the “Heatstroke White Paper” at the Japanese Society for Hygiene — Study Reveals the Relationship Between Health, Lifestyle Habits and Heatstroke

JMDC and Sumitomo Life added data from the 2025 season to the previous edition of the Heatstroke White Paper and presented the results of an analysis designed to account for causality at the Japanese Society for Hygiene. People who walked for at least 1 hour a day had an approximately 17% lower risk of hospitalization due to heatstroke than those who did not walk, while their risks of diagnosis and IV infusion treatment tended to be higher.

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17
Approximately 17% reduction in hospitalization risk (regular walking habit, multivariate analysis)
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Data from the 2025 season were added to improve the stability of the analytical results, and the relationship between health, lifestyle habits and heatstroke risk was examined through multivariate analysis and propensity score matching, based on prior research and medical knowledge.

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JMDC and Sumitomo Life Insurance Company Present Latest Findings from the “Heatstroke White Paper” at the Japanese Society for Hygiene — Study Reveals the Relationship Between Health, Lifestyle Habits and Heatstroke | JMDC Inc. (4483) timely disclosure | Komori