CMHCB) Demonstration: the Health Buddy® Consortium (HBC
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The Centers for Medicare & Medicaid Services' Office of Research, Development, and Information (ORDI) strives to make information available to all. Nevertheless, portions of our files including charts, tables, and graphics may be difficult to read using assistive technology. Persons with disabilities experiencing problems accessing portions of any file should contact ORDI through e-mail at [email protected]. April 2011 Evaluation of Medicare Care Management for High Cost Beneficiaries (CMHCB) Demonstration: The Health Buddy® Consortium (HBC) Revised Final Report Prepared for Lorraine Johnson, Sc.D. Centers for Medicare & Medicaid Services Office of Research, Development, and Information 7500 Security Boulevard Baltimore, MD 21244-1850 Prepared by Nancy McCall, Sc.D. Jerry Cromwell, Ph.D. Kevin Smith, M.S. Carol Urato, M.A. RTI International 3040 Cornwallis Road Research Triangle Park, NC 27709 RTI Project Number 0207964.025.000.001 EVALUATION OF MEDICARE CARE MANAGEMENT FOR HIGH COST BENEFICIARIES (CMHCB) DEMONSTRATION: THE HEALTH BUDDY® CONSORTIUM (HBC) by Nancy McCall, Sc.D. Jerry Cromwell, Ph.D. Kevin Smith, M.S. Carol Urato, M.A. Federal Project Officer: Lorraine Johnson, Sc.D. RTI International* CMS Contract No. 500-00-0024 TO#25 April 2011 This project was funded by the Centers for Medicare & Medicaid Services under contract no 500-00-0024 TO#25. The statements contained in this report are solely those of the authors and do not necessarily reflect the views or policies of the Centers for Medicare & Medicaid Services. RTI assumes responsibility for the accuracy and completeness of the information contained in this report. _________________________________ RTI International is a trade name of Research Triangle Institute. CONTENTS EXECUTIVE SUMMARY .......................................................................................................ES-1 E.1 Scope of Implementation .........................................................................................ES-2 E.2 Overview of the HBC CMHCB Demonstration Program .......................................ES-3 E.3 Key Findings ............................................................................................................ES-5 E.4 Conclusion .............................................................................................................ES-10 CHAPTER 1 INTRODUCTION TO THE MEDICARE CARE MANAGEMENT FOR HIGH COST BENEFICIARIES (CMHCB) DEMONSTRATION AND THE HEALTH BUDDY® CONSORTIUM’S (HBC) PROGRAM ................................................1 1.1 Background on the CMHCB Demonstration and Evaluation ........................................1 1.2 The HBC’s CMHCB Demonstration Program Design Features ...................................4 1.2.1 The HBC Organizational Characteristics ..............................................................4 1.2.2 Market Characteristics ..........................................................................................6 1.2.3 The HBC Intervention and Comparison Populations ...........................................6 1.2.4 Overview of the HBC CMHCB Demonstration Program ....................................9 1.3 Organization of Report ................................................................................................13 CHAPTER 2 EVALUATION DESIGN AND DATA ..................................................................15 2.1 Overview of Evaluation Design ...................................................................................15 2.1.1 Gaps in Quality of Care for Chronically Ill ........................................................15 2.1.2 Emerging Approaches to Chronic Care ..............................................................15 2.1.3 Conceptual Framework and CMHCB Demonstration Approaches ....................17 2.1.4 General Analytic Approach ................................................................................22 2.2 Participation, Clinical Quality and Health Outcomes, and Financial Outcomes Data and Analytic Variables ........................................................................................24 2.2.1 Data .....................................................................................................................24 2.2.2 Analytic Variables ..............................................................................................27 CHAPTER 3 BENEFICIARY AND PHYSICIAN SATISFACTION .........................................33 3.1 Beneficiary Satisfaction ...............................................................................................33 3.1.1 Survey Instrument Design ...................................................................................33 3.1.1.1 Measures of Experience and Satisfaction with Care ...................................34 3.1.1.2 Self-Management Measures ........................................................................35 3.1.1.3 Physical and Mental Health Function .........................................................36 3.1.1.4 Background Characteristics ........................................................................36 3.1.2 Analytic Methods ................................................................................................36 3.1.2.1 Analysis of Covariance Model for Intervention Effects .............................37 3.1.2.2 Sampling Frame ..........................................................................................38 3.1.2.3 Data Collection Procedures .........................................................................38 iii 3.1.2.4 Sample Size, Statistical Power, Survey Weights, and Survey Response Rate .............................................................................................38 3.1.3 Medicare Health Services Survey Results for the HBC Program .......................39 3.1.3.1 Experience and Satisfaction with Care .......................................................39 3.1.4 Conclusions .........................................................................................................43 3.2 Physician Satisfaction ..................................................................................................44 3.2.1 The HBC Provider Feedback ..............................................................................44 3.2.2 The HBC Provider Recommendations................................................................44 CHAPTER 4 PARTICIPATION RATES IN THE HBC CMHCB DEMONSTRATION PROGRAM AND LEVEL OF INTERVENTION ...............................................................47 4.1 Introduction ..................................................................................................................47 4.2 Methods........................................................................................................................48 4.2.1 Participation Analysis Methods ..........................................................................48 4.2.2 Level of Intervention Analysis Methods .............................................................50 4.3 Findings .......................................................................................................................51 4.3.1 Participation Rates for the HBC Program Population ........................................51 4.3.2 Characteristics of the HBC Program Intervention and Comparison Populations ..........................................................................................................57 4.3.3 Characteristics of Participants in the HBC Original and Refresh Populations ..........................................................................................................58 4.3.4 Level of Intervention ...........................................................................................62 4.4 Summary ......................................................................................................................73 CHAPTER 5 CLINICAL QUALITY PERFORMANCE ............................................................77 5.1 Introduction ..................................................................................................................77 5.2 Methodology ................................................................................................................77 5.3 Findings .......................................................................................................................80 5.4 Summary of Findings and Conclusion .........................................................................83 CHAPTER 6 HEALTH OUTCOMES .........................................................................................85 6.1 Introduction ..................................................................................................................85 6.2 Methodology ................................................................................................................85 6.2.1 Rates of Hospitalizations and Emergency Room Visits .....................................85 6.2.2 Rates of 90-Day Readmissions ...........................................................................86 6.2.3 Mortality .............................................................................................................87 6.3 Findings .......................................................................................................................89 6.3.1 Rates of Hospitalizations and Emergency Room Visits .....................................89 6.3.2 Rates of 90-Day Readmissions ...........................................................................92