Matt Stiefel

• Kaiser Permanente

Background: Changes in loneliness are associated with corresponding changes in depression, anxiety, and general health in population surveys, but few studies have assessed these associations through repeated screening in clinical settings. Methods: Retrospective cohort study among individuals ≥age 65 in an integrated health care system who compl...

The Secretary’s Advisory Committee on National Health Promotion and Disease Prevention Objectives for 2030 (“the Committee”) has been charged by the Secretary of HHS to make recommendations for developing health objectives for the nation to be achieved by the year 2030. This work was started in late 2016 and has produced several reports that have g...

Objectives: To estimate food insecurity prevalence and develop a statistical prediction model for food insecurity. Design: Retrospective cohort study. Setting: Kaiser Permanente Colorado. Participants: Adult members who completed a pre-Medicare Annual Wellness Visit survey. Measurements: Food insecurity was assessed using a single screenin...

Little is known about the use of the single self-rated health (SRH) status item measuring health-related quality of life among people with coronary artery disease (CAD). The objective of this study was to assess relationships between SRH and recurrent coronary events, mortality, health care utilization, and intermediate clinical outcomes and to ass...

To determine whether adding selfreported health and functional status data to a diagnostic risk-score model explains additional variance in predicting inpatient admissions and costs. Retrospective observational analysis. We used data from a Health Status Questionnaire (HSQ), completed by 6407 Kaiser Permanente Northwest Medicare patients between De...

By 2004, senior leaders at Kaiser Permanente, the largest not-for-profit health plan in the United States, recognizing variations across service areas in quality, safety, service, and efficiency, began developing a performance improvement (PI) system to realizing best-in-class quality performance across all 35 medical centers. MEASURING SYSTEMWIDE...

The Dartmouth Atlas method for examination of variation in care at the end of life was replicated by Kaiser Permanente (KP). Variation within KP was analyzed and compared with corresponding Dartmouth Atlas Hospital Referral Regions. Although KP inpatient care use rates were 25% to 30% lower and hospice use rates were higher than in the surrounding...

Disease management (DM) is rapidly becoming an important force in the late 20th and early 21st century as a strategy for managing the chronic illness of large populations. Given the increasing visibility of DM programs, the clinical, economic and financial impact of this support are vital to DM program accountability and its acceptance as a solutio...