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Structured Abstract
Objectives:
The purpose of this review is to provide an evidence report that the National Institutes of Health, Office of Disease Prevention, Pathways to Prevention Workshop Program can use to inform a workshop focused on Total Worker Health® (TWH). TWH is defined as policies, programs, and practices that integrate protection from work-related safety and health hazards with promotion of injury and illness prevention efforts to advance worker well-being. This review describes the body of evidence evaluating TWH interventions, assesses the benefits and harms of interventions, and highlights research gaps and future research needs.
Data sources:
We searched MEDLINE®, the Cochrane Library, the Cochrane Central Trials Registry, and PsycINFO® from January 1, 1990, to September 21, 2015. Eligible studies included randomized controlled trials (RCTs), nonrandomized trials, and prospective cohort studies with a concurrent control group; single-group pre-post studies were also eligible for Key Questions (KQs) describing interventions or identifying contextual factors, research gaps, and future research needs.
Review methods:
Pairs of reviewers independently selected, extracted data from, and rated the risk of bias of relevant studies; they graded the strength of evidence (SOE) using established criteria. We synthesized all evidence qualitatively.
Results:
We included 24 studies described in 33 publications. Fifteen studies had a concurrent control group (12 RCTs, 2 nonrandomized trials, and 1 cohort study) and were eligible for all KQs; 9 were pre-post studies. Studies were heterogeneous in terms of work settings and populations, interventions, and outcomes. For the 15 studies eligible for KQ 2, we rated 10 as high risk of bias primarily because of selection bias. Evidence of low SOE supported the effectiveness of TWH interventions for improving rates of smoking cessation (measured by self-reported 7-day abstinence) over 22 to 26 weeks and increasing the consumption of fruits and vegetables over 26 to 104 weeks; these results apply to populations of blue-collar manufacturing and construction workers. Evidence of low SOE supported the effectiveness of TWH interventions for reducing sedentary behavior at work over 16 to 52 weeks in office workers. Evidence was insufficient or completely lacking for other outcomes of interest (e.g., rates of work injuries, quality of life). Effective interventions were informed by worker participation and highlighted the potential synergistic risks of hazardous work exposures and health behavior. Work organization factors and union membership status were two commonly mentioned contextual factors that may have modified intervention effectiveness. Future studies should try to directly assess the effectiveness of integration itself by isolating the benefits (or harms) of integration from other components; future studies should also focus on outcomes related to occupational safety and health (OSH).
Conclusions:
The body of evidence was small and diverse in terms of populations, interventions, and measured outcomes. TWH interventions were effective in improving intermediate outcomes traditionally measured in health promotion programs (smoking cessation and fruit and vegetable consumption) and reducing sedentary work behavior. Future research should be designed to evaluate the effect of integration by itself (separately from new or improved OSH and health promotion components) and assess the effect of integration on outcomes related to OSH.
Contents
- Preface
- Acknowledgments
- Technical Expert Panel
- Peer Reviewers
- Executive Summary
- Introduction
- Methods
- Results
- Introduction
- Results of Literature Search and Screening
- Key Question 1 Characteristics of Studies Evaluating Total Worker Health Interventions
- Key Question 2 Effectiveness and Harms of Total Worker Health Interventions
- Key Question 3 Characteristics of Effective Integrated Interventions
- Key Question 4 Contextual Factors
- Key Question 5 Evidence Gaps
- Key Question 6 Future Research Needs
- Discussion
- Key Findings and Strength of Evidence
- Key Question 1 Characteristics of Studies Evaluating Total Worker Health Interventions
- Key Question 2 Effectiveness and Harms of Interventions
- Key Question 3 Components of Effective Interventions
- Key Question 4 Contextual Factors
- Key Question 5 Research Gaps
- Key Question 6 Future Research Needs
- Findings in Relation to What Is Already Known
- Limitations of the Review Process
- Limitations of the Evidence Base
- Conclusions
- References
- Appendix A Literature Search Strategies and Yields
- Appendix B Exclusions
- Appendix C Risk of Bias Ratings
- Appendix D Strength of Evidence Tables
Prepared for: Agency for Healthcare Research and Quality, U.S. Department of Health and Human Services1, Contract No. 290-2012-00008-I. Prepared by: RTI International–University of North Carolina Evidence-based Practice Center, Research Triangle Park, NC
Suggested citation:
Feltner C, Peterson K, Palmieri Weber R, Cluff L, Coker-Schwimmer E, Viswanathan M, Lohr KN. Total Worker Health®. Comparative Effectiveness Review No. 175. (Prepared by the RTI International–University of North Carolina Evidence-based Practice Center under Contract No. 290-2012-00008-I.) AHRQ Publication No. 16-EHC016-EF. Rockville, MD: Agency for Healthcare Research and Quality; May 2016. www.effectivehealthcare.ahrq.gov/reports/final.cfm.
This report is based on research conducted by the RTI International–University of North Carolina Evidence-based Practice Center (EPC) under contract to the Agency for Healthcare Research and Quality (AHRQ), Rockville, MD (Contract No. 290-2012-00008-I). The findings and conclusions in this document are those of the authors, who are responsible for its contents; the findings and conclusions do not necessarily represent the views of AHRQ. Therefore, no statement in this report should be construed as an official position of AHRQ or of the U.S. Department of Health and Human Services.
One co-investigator, Dr. Laurie Cluff, received funding from the CDC for Contract 200-2013-M-53964B, “Research and Recommendations in Support of the NIOSH Safe-Skilled-Ready Workforce Initiative,” which was active from 9/1/2013 to 12/31/2014. No studies related to this initiative were identified, included, or excluded during any part of the process for this systematic review. None of the other investigators have any affiliations or financial involvement that conflicts with the material presented in this report.
The information in this report is intended to help health care decisionmakers—patients and clinicians, health system leaders, and policymakers, among others—make well-informed decisions and thereby improve the quality of health care services. This report is not intended to be a substitute for the application of clinical judgment. Anyone who makes decisions concerning the provision of clinical care should consider this report in the same way as any medical reference and in conjunction with all other pertinent information, i.e., in the context of available resources and circumstances presented by individual patients.
AHRQ or U.S. Department of Health and Human Services endorsement of any derivative products that may be developed from this report, such as clinical practice guidelines, other quality enhancement tools, or reimbursement or coverage policies, may not be stated or implied.
This report may periodically be assessed for the currency of conclusions. If an assessment is done, the resulting surveillance report describing the methodology and findings will be found on the Effective Health Care Program Web site at www.effectivehealthcare.ahrq.gov. Search on the title of the report.
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