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Commission on Health and Safety and Workers' Compensation (CHSWC)

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2014 reports 2013 reports 2012 reports 2011 reports 2010 reports
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2004 reports 2003 reports 2002 reports 2001 reports 2000 reports
1999 reports 1998 reports 1997 reports

There are two ways of locating CHSWC Research Reports and Studies. You may find them in by topic by clicking Reports and Studies by Topic, or you may find them by date of issue here.

CHSWC studies that have been presented in Draft version, pending Feedback and Final Approval at Commission Meetings are posted in the Feedback section of the website. Only approved reports will be posted on this page.

2014 reports
  • Update on IMR and IBR, DWC Medical Unit, August 2014version
  • Identifying Permanently Disabled Workers with Disproportionate Earnings Losses for Supplemental Payments, RAND, February 2014 version

2013 reports

  • Inspection Targeting Issues for the California Department of Industrial Relations Division of Occupational Safety and Health, RAND, October 2013. acrobat small logo version
  • CHSWC 2013 Annual Report version
  • WOSHTEP - 2013 Advisory Board annual report acrobat small logo version
  • Formulating a Copy Services Fee Schedule, Berkeley Research Group, October 2013 acrobat small logo version
  • The Impact of Experience Rating on Small Employers: Would Lowering the Threshold for Experience Rating Improve Safety? RAND, 2012 acrobat small logo version
  • Identifying Risky Opioid Prescribing Practices, UCLA 2012 acrobat small logo version
  • Memorandum on Evaluation of Opioid Prescribing Guidelines Using AGREE II, UCLA 2012 acrobat small logo version
    • Public Comments and the Author’s replies acrobat small logo version
  • History Archives: The Original 1913 California Workers’ Compensation Law acrobat small logo version

2012 reports

  • WOSHTEP - 2012 Advisory Board annual report acrobat small logo version
  • CHSWC 2012 Annual Report acrobat small logo version
  • Requirement for Insurer Review of Employer's IIPP acrobat small logo version
  • Impact of the Adoption of AMA-based Permanent Disability Rating Schedule in California acrobat small logo version
    • Stakeholder public comments about PD rating schedule report acrobat small logo version
  • An Evaluation of the California Illness and Injury Prevention Program, RAND, 2012
  • Are There Unusually Effective Occupational Safety and Health Inspectors and Inspection Practices? RAND, 2012 acrobat small logo version

2011 reports

  • CHSWC 2011 Annual Report acrobat small logo version
  • Selected Indicators in Health and Safety and Workers' Compensation: 2011 Report Card for California, December 2011 acrobat small logo version
  • Use of Compound Drugs, Medical Foods, and Co-Packs in California’s Workers’ Compensation Program: An Overview of the Issues, RAND, January 2011 acrobat small logo version
  • Medical Care Provided Under California’s Workers’ Compensation Program: Effects of the Reforms and Additional Opportunities to Improve the Quality and Efficiency of Care, RAND, 2011 acrobat small logo version
    Separate Appendices document acrobat small logo version
  • WOSHTEP - 2011 Advisory Board annual report acrobat small logo version
  • RAND/UCLA Quality-of-Care Measures for Carpal Tunnel Syndrome: Tools for Assessing Quality of Care and Appropriateness of Surgery, RAND, 2011
  • Electronic Adjudication Management System (EAMS) Information Technology Needs Assessment Report, June 2011 acrobat small logo version
    Stakeholder public comments about EAMS Needs Assessment Report acrobat small logo version
  • If Your Employer is Illegally Uninsured: How to Apply for Workers’ Compensation Benefits, June 2011 acrobat small logo English version acrobat small logo Spanish version
  • Working Safer or Just Working Longer? The Impact of an Aging Workforce on Occupational Injury and Illness Costs, February 2011 acrobat small logo version
  • Liens Report, January 2011 acrobat small logo version
    Stakeholder public comments about Lien Report, Volume 1 acrobat small logo version and Volume 2 acrobat small logo version
  • Memo on System Monitoring, January 2011 acrobat small logo version
  • Workers' Compensation Reform and Return to Work: The California Experience, RAND, 2011 Full Document acrobat small logo version Summary only version

2010 reports

  • CHSWC 2010 Annual Report acrobat small logo version
  • WOSHTEP - 2010 Advisory Board annual report acrobat small logo version
  • Selected Indicators in Health and Safety and Workers' Compensation: 2010 Report Card for California, December 2010 acrobat small logo version
  • Workers' Compensation Reform and Return to Work: The California Experience, RAND, pre-publication copy (pending December 2010 version) acrobat small logo version
  • Evaluating the QME Process: Is it Equitable and Efficient? September 2010 acrobat small logo version
  • Letter To All Interested Parties from Christine Baker, Executive Officer, introducing The Whole Worker booklet acrobat small logo version
  • The Whole Worker: Guidelines for Integrating Occupational Health and Safety with Workplace Wellness Programs, 2010 acrobat small logo version
  • Study of Benefit Notices and Recommendations, July 2010 acrobat small logo version
  • The Frequency, Severity, and Economic Consequences of Musculoskeletal Injuries to Firefighters in California, RAND, 2010 acrobat small logo version
  • Review of Disability Evaluation Delays and Supplemental QME Reports, June 2010 acrobat small logo version
  • How Effective are Employer Return to Work Programs? RAND, February 2010 acrobat small logo version
  • Report on the Return-To-Work Program Established in Labor Code Section 139.48 acrobat small logo version
  • Best Practices in Returning an Injured Employee to Work: Factsheet for Employers, February 2010 acrobat small logo version
  • Helping Injured Employees Return to Work: Practical Guidance Under Workers' Compensation and Disability Rights Laws in California, February 2010 acrobat small logo version

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2009 reports

  • CHSWC 2009 Annual Report acrobat small logo version
  • WOSHTEP - 2009 Advisory Board annual report acrobat small logo version
  • California's Volatile Workers' Compensation Insurance Market: Problems and Recommendations for Change, RAND, December 2009 acrobat small logo version
  • Selected Indicators in Health and Safety and Workers' Compensation: 2009 Report Card for California, December 2009 acrobat small logo version
  • Report on Self Insurance Groups, December 2009 acrobat small logo version
  • Regulatory Actions that Could Reduce Unnecessary Medical Expenses Under California's Workers' Compensation Program, RAND, 2009 acrobat small logo version
  • Hospital Emergency Department Services Furnished Under California's Workers' Compensation Program, RAND, 2009 acrobat small logo version
  • Facility Services for Ambulatory Surgery, RAND, 2009 acrobat small logo version
  • Recommendations for the Return-to-Work Program Established in Labor Code Section 139.48 acrobat small logo version
  • Revised Claims Adjuster and Bill Reviewer Training and Certification by Insurers Report acrobat small logo version word image version
  • Summary of January 9, 2009 First Aid Cases Advisory Group Meeting acrobat small logo version word image version
  • Summary of December 9, 2008 Return-to-Work/FEHA/ADA Advisory Group Meeting acrobat small logo version word image version
  • Inpatient Hospital Services: An Update on Services Provided Under California's Workers' Compensation Program Report, RAND acrobat small logo version - Summary acrobat small logo version
  • Fraud in Workers’ Compensation Payroll Reporting: How Much Employer Fraud Exists? What is the Impact on Honest Employers? acrobat small logo version January 2009 (Update to the 2007 CHSWC report of same title presented at a Commission meeting; 2009 update funded by the Fraud Assessment Commission)

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2008 reports
  • 2008 Annual Report acrobat small logo
  • Summary of June 27, 2008 Schools Injury and Illness Prevention Program Roundtable acrobat small logo version word image version
  • Summary of July 16, 2008 Workplace Wellness Roundtable acrobat small logo version word image version
  • Selected indicators in workers' compensation: A report card for Californians, December 2008 acrobat small logo version word image version
  • Summary of Occupational and Non-Occupational Integrated Care Roundtables, December 2008 Acrobat image version
  • WOSHTEP - 2008 Advisory Board annual report acrobat small logo version Word image version
  • Workers' Compensation Medical Payment Accuracy Study, California Department of Insurance, June 2008 acrobat small logo version
  • Occupational Safety and Health for Public Safety Employees: Assessing the Evidence and the Implications for Public Policy, 2008 acrobat small logo version
  • Integrating Group Health and Workers' Compensation Medical Care Factsheet, 2008 acrobat small logo version
  • Analysis of proposed WCIRB 2009 Pure Premium Rates, September 23, 2008 Acrobat image version
  • Reporting Workers? Compensation Injuries in California: How Many are Missed? August 2008 Acrobat image version
  • Quality Management and Job Quality: How the ISO 9001 Standard for Quality Management Systems Affects Employees and Employers, August 18, 2008 Acrobat image version
  • Heat Hazards in Agriculture, A Guide For Employers To Carry Out Tailgate Training for Workers Acrobat image English version - Spanish version
  • Research Colloquium on Workers' Compensation Medical Benefit Delivery and Return to Work, RAND Acrobat image version
  • Workers' Compensation in California and in the Nation: Benefit and Employer Cost Trends, 1989-2005 Acrobat image version
  • Memorandum to Christine Baker: Impact of relaxing restrictions on eligibility for temporary disability payments beyond the current 2 years from commencement of benefit payment, January 26, 2007 acrobat small logo version Word image version
  • Research Agenda for Improving Workplace Health and Safety in California, February 2008 Acrobat image version
  • Background Report on California Occupational Safety and Health Programs, February 2008 Acrobat image version

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2007 reports
  • 2007 Annual Report acrobat small logo version word image version
  • Selected indicators in workers' compensation: A report card for Californians, December 2007 acrobat small logo version
  • WOSHTEP - 2007 Advisory Board annual report acrobat small logo version
  • Medical Care Provided California's Injured Workers: An Overview of the Issues, RAND, September 2007 acrobat small logo version
  • Understanding the Effect of SB 899 (Stats 2004, Chap 34) on the Law of Apportionment, April 2007 acrobat small logo version
  • Memorandum to Christine Baker, Executive Officer of CHSWC regarding "Analysis of ratings under the new PD schedule, through June 2007", August 23, 2007 acrobat small logo version word image version
  • Fraud in Workers' Compensation Payroll Reporting: How Much Employer Fraud Exists? What is the Impact on Honest Employers?, August 2007 acrobat small logo version word image version
  • Split Class Codes: Evidence of Fraudulent Payroll Reporting, August 2007 acrobat small logo version word image version
  • Pay-for-Performance in California's Workers' Compensation Medical Treatment System, RAND, August 2007 acrobat small logo version
  • Return-to-Work Roundtable, Summary of November 17, 2006, CHSWC, April 27, 2007 acrobat small logo version word imageversion
  • Uninsured Employers Benefits Trust Fund, Background Paper, CHSWC, April 27, 2007 acrobat small logo version word image Version
  • 24-Hour Care Roundtable, Summary of December 7, 2006, CHSWC, April 27, 2007 acrobat small logo version word image version
  • Report and Recommendations on the Spinal Surgery Second-Opinion Process, CHSWC, April 27, 2007 acrobat small logo version word image version
  • Draft study of the California workers' compensation insurance market study, Hays, September 2003 acrobat small logo version word image version
  • Memorandum to Christine Baker, Executive Officer of CHSWC regarding "Analysis of ratings under the new PD schedule, through January 2007", February 23, 2007 acrobat small logoversion word image version

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2006 reports
  • WOSHTEP - 2006 Advisory Board annual report acrobat small logo version
  • California Research Colloquium on Workers' Compensation Medical Benefit Delivery and Return to Work, RAND, 2006 Acrobat image version
  • Commission on Health and Safety and Workers' Compensation - 2006 annual report, December 2006 acrobat small logo version word image version
  • "Workers' Compensation in California: A Guidebook for Injured Workers," November 2006 Edition
    NOTE: This has been superceded by an updated and revised version. See current version.
  • Selected indicators in workers' compensation: A report card for Californians, December 2006 acrobat small logo version word image version
  • New factsheets on workers' compensation medical care "The Basics About Medical Care For Injured Workers"acrobat small logo version and medical booklet "Getting Appropriate Medical Care For Your Injury" acrobat small logo version
  • A report on the "Forum on catastrophe preparedness: Partnering to protect workplaces," held on April 7, 2006 acrobat small logo version word image version
  • Impact of physician-dispensing of repackaged drugs on California workers' compensation, employers cost, and workers' access to quality care, July 2006 acrobat small logo version word image version
  • Barriers to occupational health services for low-wage workers in California, April 2006 acrobat small logo version word image version
  • How to create a workers' compensation carve-out in California: Practical advice for unions and employers, 2006 acrobat small logo version
  • Evaluating medical treatment guideline sets for injured workers in California, RAND, April 2006 - full report acrobat small logo version summary acrobat small logo version
  • Updated and revised CHSWC recommendations to DWC on workers' compensation medical treatment guidelines acrobat small logo version word image version
  • AB 1987 and return-to-work incentives and alternatives, April 2006 acrobat small logo version word image version
  • A report on Health Care Organizations (HCOs) in workers' compensation, April 2006 acrobat small logo version word image version
  • CHSWC background paper on the impact of terrorism and California workers' compensation, April 2006 acrobat small logo version word image version
  • Issue paper on tax status of Self-Insured Groups (SIGs), April 2006 acrobat small logo version
  • CHSWC report: Permanent disability schedule analysis, February 23, 2006 acrobat small logo version
  • Workers' compensation compliance and proof of coverage, February 2006 acrobat small logo version word image version

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2005 reports
  • CHSWC 2005 annual report acrobat small logo version word image version
  • WOSHTEP - 2005 Advisory Board annual report acrobat small logo version word image version
  • Evaluating Medical Treatment Guideline Sets for Injured Workers in California, RAND, 2005" acrobat small logo version
  • Report: Selected indicators in workers' compensation: A report card for Californians, December 2005 acrobat small logo version word image version
  • Paper: Payment for hardware Used in complex spinal procedures under California's Official Medical Fee Schedule for injured Workers, RAND, 2005 acrobat small logo version
  • Understanding the effect of SB 899 (Stats 2004, Chap 34) on the law of apportionment acrobat small logo version word image version
  • Report: An evaluation of California's permanent disability rating system, RAND, 2005 - full report acrobat small logo version summary acrobat small logo version
  • Paper: Paying for repackaged drugs under the California Workers' Compensation Official Medical Fee Schedule, May 2005 acrobat small logo version
  • Paper: Payments for burn patients under California's Official Medical Fee Schedule for injured workers, May 2005 acrobat small logo version
  • CHSWC issue paper on public access to WC insurance coverage information, April 2005 acrobat small logo version word image version
  • United States Longshore and Harbor Workers' Compensation market in California, April 2005 acrobat small logo version word image version
  • Workers' Compensation in California: A guidebook for injured workers, February 2005
    acrobat small logo version size 1.8Mb acrobat small logo Spanish version size 3.1Mb

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2004 reports
  • Commission on Health and Safety and Workers' Compensation - 2004 annual report, December 2004 acrobat small logo version word image version
  • Report: Assessment of 24-hour care options for California, 2004 acrobat small logo version
  • CHSWC recommendation: CHSWC recommendations to DWC on Workers' Compensation medical treatment guidelines acrobat image version word image version
  • Workers' Occupational Safety and Health Training and Education Program (WOSHTEP), November 2004 acrobat image version word image version
  • Adopting medicare fee schedules - full text acrobat small logo version - summary acrobat small logo version
  • Summary of workers' compensation reform legislation - SB 899 acrobat small logo version word image version
  • Section-by-section review of SB 899 acrobat small logo version word image version
  • CHSWC white paper on Cost/Benefit of Implementing Electronic Deposit for unemployment and disability benefits in the State of California, July 2004 acrobat small logo version word image version
  • Carve-out a guidebook for unions and employers in workers' compensation, April 2004 acrobat small logo verseion word image version
  • Background Paper on Causation and Apportionment, May 2004 acrobat small logo version word image version

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2003 reports

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2002 reports

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2001 reports

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2000 reports

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1999 reports

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1998 reports

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1997 reports

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August 2014