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Development and Validity Testing of the Worksite Health Index: An Assessment Tool to Help and Improve Korean Employees’ Health-Related Outcome

Yun, Young Ho MD, PhD; Sim, Jin Ah MS; Lim, Ye Jin MA; Lim, Cheol Il PhD; Kang, Sung-Choon PhD; Kang, Joon-Ho PhD; Park, Jun Dong MD, PhD; Noh, Dong Young MD, PhD

Journal of Occupational and Environmental Medicine: June 2016 - Volume 58 - Issue 6 - p 623–630
doi: 10.1097/JOM.0000000000000731
Original Articles

Objectives: The objective of this study was to develop the Worksite Health Index (WHI) and validate its psychometric properties.

Methods: The development of the WHI questionnaire included item generation, item construction, and field testing. To assess the instrument's reliability and validity, we recruited 30 different Korean worksites.

Results: We developed the WHI questionnaire of 136 items categorized into five domains, namely Governance and Infrastructure, Need Assessment and Planning, Health Prevention and Promotion Program, Occupational Safety, and Monitoring and Feedback. All WHI domains demonstrated a high reliability with good internal consistency. The total WHI scores differentiated worksite groups effectively according to firm size. Each domain was associated significantly with employees’ health status, absence, and financial outcome.

Conclusions: The WHI can assess comprehensive worksite health programs. This tool is publicly available for addressing the growing need for worksite health programs.

Department of Biomedical Science (Dr Yun, Ms Sim, and Ms Lim), Cancer Research Institute, Seoul National University College of Medicine (Drs Yun, Noh); Institute of Health Policy and Management, Seoul National University College of Medicine and Hospital (Dr Yun); Department of Educational Technology, Seoul National University College of Education (Dr Lim); Department of Business Administration, Seoul National University Business School (Dr Kang); Department of Physical Education, Seoul National University College of Education (Dr Kang); Department of Pediatrics (Dr Park); Department of Surgery, Seoul National University College of Medicine and Hospital (Dr Noh), Republic of Korea.

Address correspondence to: Young Ho Yun, MD, PhD, Department of Biomedical Science, Seoul National University College of Medicine, 103 Daehak-ro, Jongno-gu, Seoul 03080, Republic of Korea (lawyun@snu.ac.kr)

This study was supported by grants from the R&D Program for Biomedical Research Center, Seoul National University Hospital, Seoul, Korea (grant number 0620144000); the Ministry of Culture, Sports and Tourism, Seoul, Korea (grant number 80020140005); and the R&D Program for National Research Foundation of Korea (20100028631).

The authors have declared no conflicts of interest.

Copyright © 2016 by the American College of Occupational and Environmental Medicine