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Epidemiol Health > Accepted Articles
Epidemiology and Health 2022;e2022080.
DOI: https://doi.org/10.4178/epih.e2022080    [Accepted] Published online Sep 23, 2022.
The associations of the national health and productivity management program with corporate profits in Japan
Yuichiro Yano1,2  , Hiroshi Kanegae3  , Koichi Node4  , Atsushi Mizuno5  , Akira Nishiyama6  , Hiromi Rakugi7  , Hiroshi Itoh8  , Kaori Kitaoka1  , Naoki Kashihara9  , Fumiaki Ikeno10  , Ichiro Tsuji11  , Kunio Okada12 
1Shiga University of Medical Science, Otsu-shi, Japan
2Department of Family Medicine and Community Health, Duke University, NY, United States
3Genki Plaza Medical Center for Health Care, Tokyo, Japan
4Department of Cardiovascular Medicine, Saga University, Saga, Japan
5Department of Cardiology, QI Center, St. Luke's International Hospital, Tokyo, Korea
6Department of Pharmacology, Faculty of Medicine, Kagawa University, Kagawa, Korea
7Department of Geriatric and General Medicine, Osaka University Graduate School of Medicine, Suita, Japan
8Department of Endocrinology, Metabolism and Nephrology, Keio University School of Medicine, Tokyo, Japan
9Department of Nephrology and Hypertension, Kawasaki Medical School, Kurashiki, Japan
10Division of Cardiovascular Medicine, Department of Medicine, Stanford University School of Medicine, Stanford, United States
11Division of Epidemiology, Department of Health Informatics and Public Health, Graduate School of Medicine, Tohoku University School of Public Health, Sendai, Japan
12Non-Profit Organization Kenkokeiei, Tokyo, Japan
13Department of Family Medicine and Community Health, Duke University, , NC, United States
Correspondence  Yuichiro Yano ,Email: yano.yuichiro@jichi.ac.jp
Kaori Kitaoka ,Email: yano.yuichiro@jichi.ac.jp
Received: Aug 10, 2022  Accepted after revision: Sep 23, 2022
Using a dataset from a survey on national health and productivity management, we identified health and productivity factors associated with organizational profitability.
The Ministry of Economy, Trade and Industry conducted an annual survey on Health and Productivity Management between 2014 and 2021. We assessed the associations of organizational health and productivity management using survey questions collected in 2017 and 2018, and the rate of change in profits from 2017 and 2018 to 2020. We identified factors associated with organizational profitability using eXtreme Gradient Boosting, and calculated SHapley Additive exPlanation (SHAP) values for each factor.
Among 1,593 companies (n=4,359,834 employees), the mean age for employees at baseline was 40.3 years and the proportion of women was 25.8%. The confusion matrix for evaluating model performance had accuracy of 0.997, precision of 0.993, recall of 0.997; and area under the precision-recall curve of 0.999. The most important factors related to an increase in corporate profits were the percentage of current smokers (SHAP value 0.121), per-employee cost for health services (0.084) and medical services (0.050); the percentage of full-time employees working in sales departments (0.074), distribution or customer service departments (0.054); the percentage of employees who sleep well (0.055); and the percentage of employees who have a habit of regular exercise within a company (0.043).
The lifestyle health risk factors of employees and organizations’ management systems were associated with organizational profitability. Lifestyle medicine professionals may demonstrate a significant return on investment by creating a healthier and more productive
Keywords: Health and productivity management; Smoking; Lifestyle


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