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Occupational and environmental medicine
Protocol
Work-related psychosocial factors and onset of metabolic syndrome among workers: a systematic review and meta-analysis protocol
  1. Asuka Sakuraya1,
  2. Kazuhiro Watanabe1,2,
  3. Norito Kawakami1,
  4. Kotaro Imamura1,
  5. Emiko Ando1,
  6. Yumi Asai1,
  7. Hisashi Eguchi3,
  8. Yuka Kobayashi4,
  9. Norimitsu Nishida5,
  10. Hideaki Arima1,
  11. Akihito Shimazu1,
  12. Akizumi Tsutsumi3
  1. 1 Department of Mental Health, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
  2. 2 The Japan Society for the Promotion of Science, Tokyo, Japan
  3. 3 Department of Public Health, Kitasato University School of Medicine, Kanagawa, Japan
  4. 4 Honda Motor Co., Ltd., Tokyo, Japan
  5. 5 Kyoto Industrial Health Association, Kyoto, Japan
  1. Correspondence to Akizumi Tsutsumi; akizumi{at}kitasato-u.ac.jp

Abstract

Introduction Metabolic syndrome is an important public health target because of its high prevalence worldwide. Work-related psychosocial factors have been identified as determinants of metabolic syndrome components. However, there have been no systematic reviews or meta-analyses conducted to evaluate the relationship between work-related psychosocial factors and metabolic syndrome as an aggregated cluster. The aim of this study is to examine this association from published prospective studies.

Methods and analysis The systematic review and meta-analysis will be conducted using published studies that will be identified from electronic databases (ie, PubMed, EMBASE, PsycINFO, PsycARTICLES and Japan Medical Abstracts Society). Studies that (1) examined the association between work-related psychosocial factors and the onset of metabolic syndrome, (2) had a longitudinal or prospective cohort design, (3) were conducted among workers, (4) provided sufficient data for calculating ORs or relative risk with a 95% CI, (5) were published as original articles written in English or Japanese, and (6) having been published until the end of 2016 will be included. Study selection, data collection, quality assessment and statistical syntheses will be conducted based on discussions among investigators.

Ethics and dissemination Ethics approval was not required for this study because it was based on published studies. The results and findings of this study will be submitted and published in a scientific peer-reviewed journal. The findings from this study could be useful for assessing metabolic syndrome risk factors in the workplace, and determining approaches for prevention of metabolic syndrome in the future.

  • metabolic syndrome
  • work-related psychosocial factors
  • systematic review
  • meta-analysis

This is an Open Access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/

https://doi.org/10.1136/bmjopen-2017-016716

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    Footnotes

    • Contributors ASakuraya, KW, NK, KI, EA, YA, HE, YK, NN, HA, AShimazu and AT have made substantial contributions to the conception and design, writing of the protocol and revising it critically for important intellectual content, and approving the final version to be published. All authors will be involved in the entire study process (ie, data collection, assessment and synthesis).

    • Funding This study was supported by JSPS KAKENHI Grant Number 26253042.

    • Competing interests None declared.

    • Patient consent Obtained.

    • Provenance and peer review Not commissioned; externally peer reviewed.

    • Correction notice This paper has been amended since it was published Online First. Owing to a scripting error, some of the publisher names in the references were replaced with 'BMJ Publishing Group'. This only affected the full text version, not the PDF. We have since corrected these errors and the correct publishers have been inserted into the references.