Timothy P Hofer

Biographic Data

ID1726688
NAMETimothy P Hofer
GIVEN NAMESTimothy P
FAMILY NAMEHofer
SIGNATUREHOFER T P
AFFILIATIONSUniversity of Michigan
ORCID0000-0003-0434-8787
VERIFIEDYes
TOTAL WORKS19
TOTAL CITATIONS18
AUTHOR COUNT19
EDITOR COUNT0
FIRST PUBLICATION YEAR1995
LATEST PUBLICATION YEAR2022
H-INDEX3

  • Evaluations of water, sanitation and hygiene interventions should not use diarrhoea as (primary) outcome

    Open AccessSam Watson, Samuel I Watson et al.ARTICLEBMJ Global Health2022

    Water, sanitation and hygiene interventions have been the subject of cluster trials of unprecedented size, scale and cost in recent years. However, the question ‘what works in water, sanitation, hygiene (WASH)?’ remains poorly understood. Evaluations of community interventions to prevent infectious disease typically use lab-confirmed infection as a primary outcome; however, WASH trials mostly use reported diarrhoea. While diarrhoea is a significa…

  • Covid-19 vaccine hesitancy among non-refugees and refugees in Kenya

    Open AccessRyan Rego, Anthony Ngugi et al.ARTICLEPLOS Global Public Health2022

    Factors associated with COVID-19 vaccine hesitancy (which we define as refusal to be vaccinated when asked, resulting in delayed or non- vaccination) are poorly studied in sub-Saharan Africa and among refugees, particularly in Kenya. Using survey data from wave five (March to June 2021) of the Kenya Rapid Response Phone Survey (RRPS), a household survey representative of the population of Kenya, we estimated the self-reported rates and factors as…

  • Comparing the use of direct observation, standardized patients and exit interviews in low- and middle-income countries

    Open AccessNavneet Aujla, Yen-Fu Chen et al.ARTICLEHealth Policy and Planning2021

    Clinical records in primary healthcare settings in low- and middle-income countries (LMIC) are often lacking or of too poor quality to accurately assess what happens during the patient consultation. We examined the most common methods for assessing healthcare workers’ clinical behaviour: direct observation, standardized patients and patient/healthcare worker exit interview. The comparative feasibility, acceptability, reliability, validity and pra…

  • Hospital-specific Template Matching for Benchmarking Performance in a Diverse Multihospital System

    Brenda M Vincent, Daniel Molling et al.ARTICLEMedical Care2021References: 19

    BACKGROUND: Hospital-specific template matching is a newer method of hospital performance measurement that may be fairer than regression-based benchmarking. However, it has been tested in only limited research settings. OBJECTIVE: The objective of this study was to test the feasibility of hospital-specific template matching assessments in the Veterans Affairs (VA) health care system and determine power to detect greater-than-expected 30-day morta…

  • The Veterans Affairs Cardiac Risk Score

    Jeremy B Sussman, Wyndy L Wiitala et al.ARTICLEMedical Care2017References: 24

    BACKGROUND: Accurately estimating cardiovascular risk is fundamental to good decision-making in cardiovascular disease (CVD) prevention, but risk scores developed in one population often perform poorly in dissimilar populations. We sought to examine whether a large integrated health system can use their electronic health data to better predict individual patients' risk of developing CVD. METHODS: We created a cohort using all patients ages 45-80 …

  • A Hybrid Center for Medicaid and Medicare Service Mortality Model in 3 Diagnoses

    Marta L Render, Peter L Almenoff et al.ARTICLEMedical Care2012References: 18

    INTRODUCTION: Reliance on administrative data sources and a cohort with restricted age range (Medicare 65 y and above) may limit conclusions drawn from public reporting of 30-day mortality rates in 3 diagnoses [acute myocardial infarction (AMI), congestive heart failure (CHF), pneumonia (PNA)] from Center for Medicaid and Medicare Services. METHODS: We categorized patients with diagnostic codes for AMI, CHF, and PNA admitted to 138 Veterans Admin…

  • Does It Matter Where You Go for Breast Surgery

    Steven J Katz, Sarah T Hawley et al.ARTICLEMedical Care2010References: 15

    BACKGROUND: Concerns about the use of mastectomy and breast reconstruction for breast cancer have motivated interest in surgeon's influence on the variation in receipt of these procedures. OBJECTIVES: To evaluate the influence of surgeons on variations in the receipt of mastectomy and breast reconstruction for patients recently diagnosed with breast cancer. METHODS: Attending surgeons (n = 419) of a population-based sample of breast cancer patien…

  • Coordinating Cancer Care

    Steven J Katz, Sarah T Hawley et al.ARTICLEMedical Care2010References: 18

    OBJECTIVES: The Institute of Medicine has called for more coordinated cancer care models that correspond to initiatives led by cancer providers and professional organizations. These initiatives parallel those underway to integrate the management of patients with chronic conditions. METHODS: We developed 5 breast cancer patient and practice management process measures based on the Chronic Care Model. We then performed a survey to evaluate patterns…

  • The influence of organizational context on quality improvement and patient safety efforts in infection prevention

    Open AccessSarah L Krein, Laura J Damschroder et al.ARTICLESocial Science & Medicine2010Cited by: 3References: 22

  • Correlates of Between-Surgeon Variation in Breast Cancer Treatments

    Sarah T Hawley, Timothy P Hofer et al.ARTICLEMedical Care2006References: 34

    BACKGROUND: Determinants of between-surgeon variation in breast cancer treatment utilization are not well understood. OBJECTIVES: The objectives of this study were to evaluate variation in receipt of surgical treatment (ie, mastectomy or breast-conserving surgery with or without radiation) for women with stage I, II, or III breast cancer and receipt of breast reconstruction attributable to surgeons, and to assess factors associated with this betw…

  • Building a Better Quality Measure

    Eve A Kerr, Dylan M Smith et al.ARTICLEMedical Care2003References: 15

    BACKGROUND: National performance measures monitor the proportion of diabetic patients with low-density lipoprotein (LDL) levels >/=130 mg/dL, but such simple intermediate outcomes measure poor control, not necessarily poor care. "Tightly linked" quality measures define good quality either by a good intermediate outcome (LDL /=130 mg/dL using the simple intermediate outcome measure, only 13% (148 of 1154) were classified as having substandard qual…

  • Adjustment of Physician Profiles for Patient Socioeconomic Status Using Aggregate Geographic Data

    Timothy P HoferARTICLEMedical Care2001References: 19

    Health outcomes are powerfully affected by socioeconomic status (SES) in ways that we still cannot explain. One of the great enigmas of modern day epidemiology is the observation found throughout the world that mortality rates vary enormously across socioeconomic levels even when known individual risk factors are taken into account. 1–6 This puzzle has led to substantial concern that efforts to assess the performance of health care providers by p…

  • Discussion Between Reviewers Does Not Improve Reliability of Peer Review of Hospital Quality

    Timothy P Hofer, STEVEN J BERNSTEIN et al.ARTICLEMedical Care2000

    OBJECTIVES: Peer review is used to make final judgments about quality of care in many quality assurance activities. To overcome the low reliability of peer review, discussion between several reviewers is often recommended to point out overlooked information or allow for reconsideration of opinions and thus improve reliability. The authors assessed the impact of discussion between 2 reviewers on the reliability of peer review. METHODS: A group of …

  • Accuracy of Risk-Adjusted Mortality Rate As a Measure of Hospital Quality of Care

    J W Thomas, Timothy P HoferARTICLEMedical Care1999References: 12

    OBJECTIVES: Reports on hospital quality performance are being produced with increasing frequency by state agencies, commercial data vendors, and health care purchasers. Risk-adjusted mortality rate is the most commonly used measure of quality in these reports. The purpose of this study was to determine whether risk-adjusted mortality rates are valid indicators of hospital quality performance. METHODS: Based on an analytical model of random measur…

  • Interpreting Risk-Adjusted Length of Stay Patterns for VA Hospitals

    J W Thomas, ELIZABETH W BATES et al.ARTICLEMedical Care1998References: 13

    OBJECTIVES: The Veterans Health System must become more competitive with the private sector in terms of efficiency of care. Studies have shown significantly longer lengths-of-stay (LOS) in facilities operated by the Department of Veterans Affairs (VA) compared with private sector facilities. Most comparisons, however, have not controlled well for casemix differences or have involved small numbers of patients. The aims of this study were: (1) cont…

  • Physician use in Ontario and the United States

    Steven J Katz, Timothy P Hofer et al.ARTICLEAmerican Journal of Public Health1996Cited by: 11References: 14

    OBJECTIVES: This study compared physician use in Ontario and the midwestern and northeastern United States for persons of different socioeconomic status and health status. The distribution of health problems associated with the most recent physician visit also was compared. METHODS: The design of the study was cross sectional; data derived from the 1990 Ontario Health Survey and the 1990 US National Health Interview Survey were used in analyses. …

  • Healthy behaviors among women in the United States and Ontario

    Timothy P Hofer, Steven J KatzARTICLEAmerican Journal of Public Health1996Cited by: 4References: 18

    OBJECTIVES: This study examined how several healthy behaviors among women in Ontario and the United States explained (1) the use of preventive health services, (2) differences in use between socioeconomic groups, and (3) differences in use between the two health systems. METHODS: 1990 data on women from the Ontario Health Survey (n = 22,985) and the US National Health Interview Survey (n = 19,092) were analyzed. A woman who avoided smoking and ob…

  • Identifying Poor-Quality Hospitals

    Timothy P Hofer, Rodney A HaywardARTICLEMedical Care1996References: 34

    OBJECTIVES: Many groups involved in health care are very interested in using external quality indices, such as risk-adjusted mortality rates, to examine hospital quality. The authors evaluated the feasibility of using mortality rates for medical diagnoses to identify poor-quality hospitals. METHODS: The Monte Carlo simulation model was used to examine whether mortality rates could distinguish 172 average-quality hospitals from 19 poor-quality hos…

  • Can Early Re-Admission Rates Accurately Detect Poor-Quality Hospitals

    Timothy P Hofer, Rodney A HaywardARTICLEMedical Care1995

    There is widespread interest in using external quality measures, such as early re-admission rates (ERRs), to evaluate hospital quality. To evaluate the feasibility of using ERRs to identify poor-quality hospitals, a Monte Carlo simulation model was developed that describes the predictive power of ERRs for the 190 hospitals in Michigan using different assumptions concerning the distribution and variability of quality problems, the number of years …