Katrin Hambarsoomian — Publications
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Evaluation of Proposed New Measures for the Hospital CAHPS Survey
2025
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Updated Adjustment of the HCAHPS Survey for New Modes of Survey Administration and Patient Mix
2025
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Comparison of Alternative Approaches to Using Race-and-Ethnicity Data in Estimating Differences in Health Care and Social Determinants of Health
2024
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Mixed Mode Substantially Increases Hospital Consumer Assessment of Healthcare Providers and Systems Response Rates Relative to Single-Mode Protocols
2024
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Personal Physician Access by Preferred Language Among Medicare Advantage and Medicare Fee-for-Service Older Adults
2024
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Survey Protocols, Response Rates, and Representation of Underserved Patients: A Randomized Clinical Trial
2024
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Are the Experiences of Those New to Medicare Good from the Start?
2023
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Development of a Medicare Plan Dashboard to Promote Health Equity
2023
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Do Hospital Characteristics Predict Racial-and-Ethnic Disparities in Patient Experience? National Results from the HCAHPS Survey
2023
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Measuring Equity in the Hospital Setting: An HCAHPS Application of the Health Equity Summary Score
2023
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Patient Experience for Hispanic Older Adults Varies by Language Preference
2022
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Poor Self-rated Mental Health and Medicare Beneficiaries' Routine Care-Seeking
2022
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Racial, Ethnic, and Gender Disparities in Health Care in Medicare Advantage: April 2021
2021
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Racial, Ethnic, and Gender Disparities in Health Care in Medicare Advantage: April 2020
2020
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Indirect Estimation of Race/Ethnicity for Survey Respondents Who Do Not Report Race/Ethnicity
2019
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Inpatient Care Experiences Differ by Preferred Language Within Racial/Ethnic Groups
2019
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Diabetes and Cardiovascular Disease Risk in Cambodian Refugees
2016
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Racial/Ethnic Disparities in Medicare Beneficiaries' Carecoordination Experiences
2016
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Characterizing the Mental Health Care of U.S.Cambodian Refugees
2015
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Do Experiences with Medicare Managed Care Vary According to the Proportion of Same-Race/Ethnicity/language Individuals Enrolled in One's Contract?
2015
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Do Racial/Ethnic Disparities in Quality and Patient Experience Within Medicare Plans Generalize Across Measures and Racial/Ethnic Groups?
2015
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A Comparison of Cambodian-American Adolescent Substance Use Behavior to National and Local Norms
2014
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Does the Racial/Ethnic Composition of Medicare Advantage Plans Reflect Their Areas of Operation?
2014
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Mathematics Teacher Development in the Context of District Managed Curriculum
2014
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Experiences of Care Among Medicare Beneficiaries with ESRD: Medicare Consumer Assessment of Healthcare Providers and Systems (CAHPS) Survey Results
2013
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A Randomized Experiment Investigating the Suitability of Speech-Enabled IVR and Web Modes for Publicly Reported Surveys of Patients' Experience of Hospital Care
2013
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Reporting CAHPS and HEDIS Data by Race/Ethnicity for Medicare Beneficiaries
2013
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Using Indirect Estimates Based on Name and Census Tract to Improve the Efficiency of Sampling Matched Ethnic Couples from Marriage License Data
2013
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Are There Differences in the Medicare Experiences of Beneficiaries in Puerto Rico Compared with Those in the U.S. Mainland?
2012
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Gender Differences in Patients' Perceptions of Inpatient Care
2012
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Racial/ethnic Disparities in Medicare Part D Experiences
2012
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How Do the Experiences of Medicare Beneficiary Subgroups Differ Between Managed Care and Original Medicare?
2011
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Immunization Disparities By Hispanic Ethnicity and Language Preference
2011
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The Unusually Poor Physical Health Status of Cambodian Refugees Two Decades After Resettlement
2011
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Do Hospitals Rank Differently on HCAHPS for Different Patient Subgroups?
2010
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Prevalence of Posttraumatic Stress Disorder and Major Depression After Trauma Center Hospitalization
2010
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Racial/Ethnic Differences in Patients' Perceptions of Inpatient Care Using the HCAHPS Survey
2010
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Adjusting for Subgroup Differences in Extreme Response Tendency in Ratings of Health Care: Impact on Disparity Estimates
2009
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Alcohol Abuse and Illegal Drug Use Among Los Angeles County Trauma Patients: Prevalence and Evaluation of Single Item Screener
2009
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Effects of Survey Mode, Patient Mix, and Nonresponse on CAHPS Hospital Survey Scores
2009
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Mental Health Service Utilization After Physical Trauma: The Importance of Physician Referral
2009
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Use of Expert Ratings as Sampling Strata for a More Cost-Effective Probability Sample of a Rare Population
2009
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How Do Proxy Responses and Proxy-Assisted Responses Differ from What Medicare Beneficiaries Might Have Reported About Their Health Care?
2008
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The Relationship Between Spanish Language Use and Substance Use Behaviors Among Latino Youth: A Social Network Approach
2008
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Adolescent Participation in Preventive Health Behaviors, Physical Activity, and Nutrition: Differences Across Immigrant Generations for Asians and Latinos Compared with Whites
2007
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Early Adolescent Exposure to Alcohol Advertising and Its Relationship to Underage Drinking
2007
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Problem Drinking Among Cambodian Refugees in the United States: How Big of a Problem Is It?
2007
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Problem-Oriented Reporting of CAHPS Consumer Evaluations of Health Care
2007
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Relationship Commitment and Its Implications for Unprotected Sex Among Impoverished Women Living in Shelters and Low-Income Housing in Los Angeles County
2007
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Sexual Risk Among Impoverished Women: Understanding the Role of Housing Status
2007
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U.S. Cambodian Refugees' Use of Complementary and Alternative Medicine for Mental Health Problems
2007
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Barriers to Mental Health Care Utilization for U.S. Cambodian Refugees
2006
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Forging the Link Between Alcohol Advertising and Underage Drinking
2006
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Predictors of Unprotected Sex with Non-Cohabitating Primary Partners Among Sheltered and Low-Income Housed Women in Los Angeles County
2006
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Rates and Correlates of Seeking Mental Health Services Among Cambodian Refugees
2006
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Sampling with Field Burden Constraints: An Application to Sheltered Homeless and Low-Income Housed Women
2006
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Toward a More Comprehensive Understanding of Violence Against Impoverished Women
2006
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Victimization and Health Among Indigent Young Women in the Transition to Adulthood: A Portrait of Need
2006
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Analysis of Case-Mix Strategies and Recommendations for Medicare Fee-for-Service CAHPS: Case-mix Adjustment Report: 2003
2005
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Analysis of Case-Mix Strategies and Recommendations for Medicare Fee-for-Service CAHPS: Case-Mix Adjustment Report: 2004
2005
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Does Alcohol Advertising Promote Adolescent Drinking? Results from a Longitudinal Assessment
2005
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Do Medicaid and Commercial CAHPS Scores Correlate Within Plans? A New Jersey Case Study
2005
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HIV Testing Among Indigent Women: Who Gets Tested?
2005
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Patterns of Unit and Item Nonresponse in the CAHPS Hospital Survey
2005
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Saturated in Beer: Awareness of Beer Advertising in Late Childhood and Adolescence
2005
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Trauma, Depression, Coping, and Mental Health Service Seeking Among Impoverished Women
2005
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Prevalence and Co-Occurrence of Violence, Substance Use and Disorder, and HIV Risk Behavior: A Comparison of Sheltered and Low-Income Housed Women in Los Angeles County
2004
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Analysis of Case-Mix Strategies and Recommendations for 2000 Medicare Fee-for-Service CAHPS
2003
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Final Task 9 Report: 2001 Analysis of Case-Mix Strategies and Recommendations for Medicare-Fee-for-Service CAHPS
2003
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Patterns and Correlates of HIV Testing Among Sheltered and Low-Income Housed Women in Los Angeles County
2003
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Sampling with Field Burden Constraints: An Application to Sheltered Homeless and Low-Income Housed Women
2003
