Colleen A McHorney
Affiliation: Merck Research Laboratories
- The Adherence Estimator: a brief, proximal screener for patient propensity to adhere to prescription medications for chronic diseaseColleen A McHorney
US Outcomes Research, Merck and Co, Inc, West Point, PA 19486 0004, USA
Curr Med Res Opin 25:215-38. 2009....
- The impact of osteoporosis medication beliefs and side-effect experiences on non-adherence to oral bisphosphonatesColleen A McHorney
U S Outcomes Research, Merck and Co, Inc, West Point, PA 19486 0004, USA
Curr Med Res Opin 23:3137-52. 2007....
- Validity of the adherence estimator in the prediction of 9-month persistence with medications prescribed for chronic diseases: a prospective analysis of data from pharmacy claimsColleen A McHorney
US Outcomes Research, Merck and Co, Inc, North Wales, Pennsylvania 19454, USA
Clin Ther 31:2584-607. 2009..The aim of this article was to assess the predictive validity of the Adherence Estimator--a 3-item instrument designed to estimate a patient's propensity to adhere to medications prescribed for chronic disease...
- Clinical validity of the SWAL-QOL and SWAL-CARE outcome tools with respect to bolus flow measuresColleen A McHorney
Roudebush Veterans Administration Medical Center, Indiana University School of Medicine, Indianapolis, IN, USA
Dysphagia 21:141-8. 2006..Both sets of measures should be used in dysphagia effectiveness and outcomes research...
- The SWAL-QOL and SWAL-CARE outcomes tool for oropharyngeal dysphagia in adults: III. Documentation of reliability and validityColleen A McHorney
Roudebush VA Medical Center, Department of Internal Medicine and Geriatrics, Indiana University School of Medicine, Indianapolis, USA
Dysphagia 17:97-114. 2002....
- Individual patients hold different beliefs to prescription medications to which they persist vs nonpersist and persist vs nonfulfillColleen A McHorney
U S Outcomes Research, Merck and Co Inc, North Wales, PA, USA
Patient Prefer Adherence 4:187-95. 2010..Our objective was to explore whether adults hold different beliefs about medications to which they persist vs nonpersist and persist vs nonfulfull...
- Structural equation modeling of the proximal-distal continuum of adherence driversColleen A McHorney
US Outcomes Research, Merck, North Wales, PA
Patient Prefer Adherence 6:789-804. 2012..Structural equation modeling was used to test the predictors of these three proximal determinants of medication adherence using the proximal-distal continuum of adherence drivers as the organizing conceptual framework...
- Frequency of and reasons for medication non-fulfillment and non-persistence among American adults with chronic disease in 2008Colleen A McHorney
US Outcomes Research, Merck and Co, Inc, North Wales, PA, USA
Health Expect 14:307-20. 2011..Future efforts to improve medication adherence should address patients' medication concerns, perceived need for medications, and perceived medication affordability...
- Unintentional non-adherence to chronic prescription medications: how unintentional is it really?Abhijit S Gadkari
U, S, Outcomes Research, Merck and Co, Inc, 351 North Sumneytown Pike, North Wales, PA 19454, USA
BMC Health Serv Res 12:98. 2012..Our objectives were to: (1) study the prevalence and predictors of unintentional non-adherence; and (2) explore the interrelationship between intentional and unintentional non-adherence in relation to patients' medication beliefs...
- Effects of depression and pain severity on satisfaction in medical outpatients: analysis of the Medical Outcomes StudyMatthew J Bair
Richard L Roudebush VA Medical Center, Health Services Research and Development Center of Excellence on Implementing Evidence Based Practice, 11 H, 1481 West 10th Street, Indianapolis, IN 46202, USA
J Rehabil Res Dev 44:143-52. 2007..Depression and pain have a substantial effect on patient satisfaction. Future studies should assess the reasons for dissatisfaction with care in patients with depression and pain...
- Survey nonresponders to a medication-beliefs survey have worse adherence and persistence to chronic medications compared with survey respondersAbhijit S Gadkari
US Outcomes Research, Merck and Co, Inc, North Wales, PA 19454, USA
Med Care 49:956-61. 2011..The primary objective of this study was to investigate whether nonresponders to a medication-beliefs survey exhibited different adherence and persistence patterns than survey responders...
- Persistence across weekly and monthly bisphosphonates: analysis of US retail pharmacy prescription refillsThomas W Weiss
US Outcomes Research, Merck and Co, Inc, West Point, PA 19486 0004, USA
Curr Med Res Opin 23:2193-203. 2007..Determine whether monthly dosing of bisphosphonates has an impact on persistence relative to weekly dosing...
- Osteoporosis medication profile preference: results from the PREFER-US studyThomas W Weiss
Outcomes Research, Merck and Co, Inc, West Point, PA 19486, USA
Health Expect 10:211-23. 2007..To assess patient preferences for two osteoporosis medications...
- An evaluation of patient preferences for osteoporosis medication attributes: results from the PREFER-US studyThomas W Weiss
Merck and Co, Inc, West Point, PA 19486, USA
Curr Med Res Opin 22:949-60. 2006..To evaluate preferences for eight medication attributes that women may consider when evaluating prescription osteoporosis medications...
- Medication nonfulfillment rates and reasons: narrative systematic reviewAbhijit S Gadkari
Merck and Co, Inc, North Wales, PA, USA
Curr Med Res Opin 26:683-705. 2010..There is a wide variation in reported nonfulfillment rates, but no previous study has systematically reviewed this literature to explore the reasons behind this variation...
- Reliability and validity of an instrument for assessing patients' perceptions about medications for diabetes: the PAM-DPatrick O Monahan
Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202 3012, USA
Qual Life Res 18:941-52. 2009..To evaluate the reliability and validity of the Perceptions About Medications for Diabetes (PAM-D) instrument...
- Assessing and understanding measurement equivalence in health outcome measures. Issues for further quantitative and qualitative inquiryColleen A McHorney
Outcomes Research and Management, Merck and Co, Inc, West Point, Pennsylvania 19486, USA
Med Care 44:S205-10. 2006
- A qualitative study of patients' and physicians' views about practice-based functional health assessmentColleen A McHorney
Department of Medicine, Indiana University School of Medicine, Regenstrief Institute for Health Care, Indiana University Center for Aging Research, and Roudebush Veterans Administration Medical Center, Indianapolis 46202, USA
Med Care 40:1113-25. 2002..Patient reports of functioning and well-being have been most commonly used in clinical-practice settings at the group-level for research rather than at the individual-patient level for clinical decision-making...
- Impact of pain severity and location on health-related quality of lifeDennis C Ang
Division of Rheumatology, Indiana University School of Medicine, 1110 West Michigan Street, Indianapolis, IN 46202 5100, USA
Rheumatol Int 26:567-72. 2006..4, p<0.0001). However, the impact of MSD was eliminated after controlling for pain severity. Regardless of the location of pain, pain severity appears to be an important correlate of functional status, both mental and physical...
- The potential clinical value of quality-of-life information response to MartinColleen A McHorney
Department of Medicine, Indiana University School of Medicine, Indianapolis 46202, USA
Med Care 40:III56-62. 2002
- Profile of Female Sexual Function: a patient-based, international, psychometric instrument for the assessment of hypoactive sexual desire in oophorectomized womenColleen A McHorney
Indiana University School of Medicine and Regenstrief Institute Inc, Indianapolis, IN, USA
Menopause 11:474-83. 2004..The purpose of this study was to develop a self-administered, patient-based questionnaire to assess loss of sexual desire and associated symptoms in postmenopausal women with hypoactive sexual desire disorder (HSDD) experiencing distress...
- Understanding diabetes medications from the perspective of patients with type 2 diabetes: prerequisite to medication concordanceRisa P Hayes
Eli Lilly and Company, Indianapolis, IN 46285, USA
Diabetes Educ 32:404-14. 2006..The purpose of this qualitative study was to explore diabetes medication experiences of patients with type 2 diabetes...
- Assessment of differential item functioning for demographic comparisons in the MOS SF-36 health surveyAnthony J Perkins
Indiana University Center for Aging Research, 1050 Wishard Blvd, RG6, Indianapolis, IN 46202, USA
Qual Life Res 15:331-48. 2006..To investigate whether items of the Medical Outcomes Study (MOS) 36-Item Short-Form Health Status Survey (SF-36) exhibited differential item functioning (DIF) with respect to age, education, race, and gender...
- Use of item response theory to link 3 modules of functional status items from the Asset and Health Dynamics Among the Oldest Old studyColleen A McHorney
Department of Medicine, Indiana University School of Medicine, Regenstrief Institute for Health Care, RHC 6th Floor, 1050 Wishard Road, Indianapolis, IN 46202, USA
Arch Phys Med Rehabil 83:383-94. 2002..To link, by using item response theory (IRT), 3 modules of functional status items in the Asset and Health Dynamics Among the Oldest Old (AHEAD) study...
- IRT health outcomes data analysis project: an overview and summaryKaron F Cook
Department of Rehabilitation Medicine, University of Washington School of Medicine, Seattle, Washington, USA
Qual Life Res 16:121-32. 2007..A component of the conference was presentation of a psychometric and content analysis of a secondary dataset...
- CONNECT: a measure of continuity of care in mental health servicesNorma C Ware
Department of Psychiatry, Harvard Medical School, 641 Huntington Avenue, Boston, Massachusetts 02115, USA
Ment Health Serv Res 5:209-21. 2003..A broad initial validation strategy including known groups and convergent validity assessments produced results that will inform and focus future efforts. Next steps in the measure development process are discussed...
- The relationship between insomnia and health-related quality of life in patients with chronic illnessDavid A Katz
Department of Medicine, University of Wisconsin Madison, Madison, WI 53705, USA
J Fam Pract 51:229-35. 2002..To determine the association between insomnia and health-related quality of life (HRQOL) in patients with chronic illness after accounting for the effects of depression, anxiety, and medical comorbidities...
- A remarkable legacy of science: review of AHRQ-funded articles published in Medical Care during John Eisenberg's Directorship of AHRQ. Agency for Health care Research and QualityWilliam M Tierney
Med Care 40:1003-11. 2002
- Delicate balance between theory and practice: health status assessment and item response theoryKaron F Cook
Med Care 41:571-4. 2003
- Postscript: Applications of Rasch analysis in health careColleen A McHorney
Med Care 42:I73-8. 2004
- Preliminary validation of a patient-based self-assessment measure of severity of illness in type 2 diabetes: results from the pilot phase of the Veterans Health StudyMark Linzer
Department of Medicine, University of Wisconsin School of Medicine, Madison, WI 53705, USA
J Ambul Care Manage 28:167-76. 2005..After further testing, this case-mix measure may be suitable for controlling for severity of illness in ambulatory-based studies of diabetic patients with multiple chronic illnesses...
- Evidence-based practice for equating health status items: sample size and IRT modelKaron F Cook
University of Washington
J Appl Meas 8:175-89. 2007..Item responses collected using this approach result in two or more forms whose scores are not equivalent. Therefore, the item responses must be equated (adjusted) to a common mathematical metric...
- Health perceptions in patients who undergo screening and workup for prostate cancerDavid A Katz
Department of Medicine, University of Iowa Carver College of Medicine, Iowa City, Iowa, USA
Urology 69:215-20. 2007..This study was designed to determine whether a positive screening test with negative biopsy findings for prostate cancer is associated with worsened mental health during short-term follow-up...