1. Department of Occupational Safety and Health, College of Public Health China Medical University Taichung Taiwan
2. Institute of Statistics National Chiao Tung University Hsinchu Taiwan
3. Research Center for Overwork‐Related Disorders National Institute of Occupational Safety and Health Kawasaki Japan
4. Department of Public Health Kitasato University School of Medicine Sagamihara Japan
5. Department of Mental Health Institute of Industrial Ecological Sciences University of Occupational and Environmental SciencesInstitute of Industrial Ecological Sciences Kitakyushu Japan
6. Institute of Data Science and Engineering National Chiao Tung University Hsinchu Taiwan