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Dive into the research topics where Adam Keller is active.

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Featured researches published by Adam Keller.


Journal of Chronic Diseases | 1987

Assessment of function in routine clinical practice: description of the COOP Chart method and preliminary findings.

Eugene C. Nelson; John H. Wasson; John W. Kirk; Adam Keller; Donald Clark; Allen J. Dietrich; Anita Stewart; Michael Zubkoff

The COOP Project, a primary care research network, has begun development of a Chart method to screen function quickly. The COOP Charts, analogous to Snellen Charts, were pretested in two practices on adult patients (N = 117) to test feasibility, clinical utility, and validity. Patients completed questionnaires containing validated health status scales and sociodemographic variables. Practice staff filled out forms indicating COOP Chart scores and clinical data. We held debriefing interviews with staff who administered the Charts. The results indicate the Charts take 1-2 minutes to administer, are easy to use, and produce important clinical data. The patterns of correlations between the Charts and validity indicator variables provide evidence for both convergent and discriminant validity. We conclude that new measures are needed to assess function in a busy office practice and that the COOP Chart system represents one promising strategy.


BMJ | 1992

Cancer: improving early detection and prevention. A community practice randomised trial.

Allen J. Dietrich; Gerald T. O'Connor; Adam Keller; Patricia A. Carney; Drew Levy; Fredrick S. Whaley

OBJECTIVE--To test the impact of physician education and facilitator assisted office system interventions on cancer early detection and preventive services. DESIGN--A randomised trial of two interventions alone and in combination. SETTING AND SUBJECTS--Physicians in 98 ambulatory care practices in the United States. INTERVENTIONS--The education intervention consisted of a day long physician meeting directed at improving knowledge, attitudes, and skills relevant to cancer prevention and early detection. The office system intervention consisted of assistance from a project facilitator in establishing routines for providing needed services. These routines included division of responsibilities for providing services among physicians and their staff and the use of medical record flow sheets. MAIN OUTCOME MEASURES--The proportions of patients provided the cancer prevention and early detection services indicated annually according to the US National Cancer Institute. RESULTS--Based on cross sectional patient surveys, the office system intervention was associated with an increase in mammography, the recommendation to do breast self examination, clinical breast examination, faecal occult blood testing, advice to quit smoking, and the recommendation to decrease dietary fat. Education was associated only with an increase in mammography. Record review for a patient cohort confirmed cross sectional survey findings regarding the office system for mammography and faecal occult blood testing. CONCLUSION--Community practices assisted by a facilitator in the development and implementation of an office system can substantially improve provision of cancer early detection and preventive services.


Medical Care | 1992

Benefits and Obstacles of Health Status Assessment in Ambulatory Settings: The Clinician??s Point of View

John H. Wasson; Adam Keller; Lisa V. Rubenstein; Ron D. Hays; Eugene C. Nelson; Deborah Johnson

In the past decade physicians have identified the need to expand patient assessment to include global function and quality of life. During the same period, the busy clinic has evolved into the location where this assessment seems most appropriate. Integrating functional health assessment into a busy clinical practice is difficult because the necessary steps require time, thought, recording, and follow-up. Attention to the office ecosystem is very important before any patient care management method is introduced. The clinician must transform the results of health status screening into a specific functional diagnosis. The clinician has to understand the sensitivity, specificity, and predictive value of the measure for a preliminary diagnosis to be made. Often, additional measurements must be taken to establish a specific diagnosis. These steps encompass assessment linkage. Once the specific cause for the dysfunction is recognized, the clinician then has to determine the need for special resources. This is called the resource linkage. By following the steps outlined in this paper, the clinician should be able to overcome many obstacles for functional health status assessment in busy ambulatory settings.


Journal of Behavioral Health Services & Research | 1994

Measuring resource use in economic evaluations: determining the social costs of mental illness.

Robin E. Clark; Gregory B. Teague; Susan K. Ricketts; Philip W. Bush; Adam Keller; Michael Zubkoff; Robert E. Drake

Concern over costs associated with mental disorders has led to an increase in the number of economic evaluations of treatment interventions; unfortunately, methods for measuring resource use have not kept pace with this concern. Although it is well-known that a significant proportion of the costs associated with mental illness are for resources other than treatment, program evaluators and researchers often count only treatment costs in cost-effectiveness comparisons. Further, existing methods for measuring resource use are plagued by faulty assumptions about resource use, poor validity and reliability, and difficulties quantifying resource use. The authors discuss these problems and suggest five ways of improving measurement of nontreatment resources: clarifying assumptions, using multiple data sources, flexible data collection strategies, methods for improving the accuracy of recall, and an episodic approach to measurement.


The New England Journal of Medicine | 1995

A Comparison of Transurethral Surgery with Watchful Waiting for Moderate Symptoms of Benign Prostatic Hyperplasia

John H. Wasson; Domenic J. Reda; Reginald C. Bruskewitz; Jack Elinson; Adam Keller; William G. Henderson


JAMA | 1992

Variations in Resource Utilization Among Medical Specialties and Systems of Care: Results From the Medical Outcomes Study

Sheldon Greenfield; Eugene C. Nelson; Michael Zubkoff; Willard G. Manning; William H. Rogers; Richard L. Kravitz; Adam Keller; Alvin R. Tarlov; John E. Ware


JAMA | 2004

Educational Epidemiology: Applying Population-Based Design and Analytic Approaches to Study Medical Education

Patricia A. Carney; David W. Nierenberg; Catherine F. Pipas; W. Blair Brooks; Therese A. Stukel; Adam Keller


Health Services Research | 1998

Cost-effectiveness of assertive community treatment versus standard case management for persons with co-occurring severe mental illness and substance use disorders

Robin E. Clark; Gregory B. Teague; Susan K. Ricketts; Philip W. Bush; Haiyi Xie; Thomas G. McGuire; Robert E. Drake; Gregory J. McHugo; Adam Keller; Michael Zubkoff


National Bureau of Economic Research | 2009

New Ways to Make People Save: A Social Marketing Approach

Annamaria Lusardi; Punam Anand Keller; Adam Keller


Quality of Life Research | 1992

The short-term effect of patient health status assessment in a health maintenance organization.

John H. Wasson; Ron D. Hays; Lisa V. Rubenstein; Eugene C. Nelson; Jennifer Leaning; Deborah Johnson; Adam Keller; Jeanne M. Landgraf; Carla M. Rosenkrans

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Ron D. Hays

University of California

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