Development of the medication adherence estimation and differentiation scale (MEDS)

References

• Elliott R. Non-adherence to medicines: not solved but solvable. J Health Serv Res Policy 2009;14:58-61
   PubMed Web of Science ®Google Scholar
• Cramer JA, Roy A, Burrell A, et al. Medication compliance and persistence: terminology and definitions. Value Heal 2008;11:44-7
   PubMed Web of Science ®Google Scholar
• Osterberg L, Blaschke T. Adherence to medication. N Engl J Med 2005;353:487-97
   PubMed Web of Science ®Google Scholar
• Ho PM, Rumsfeld JS, Masoudi FA, et al. Effect of medication nonadherence on hospitalization and mortality among patients with diabetes mellitus. Arch Intern Med 2006;166:1836-41
   PubMed Web of Science ®Google Scholar
• Ho PM, Spertus JA, Masoudi FA, et al. Impact of medication therapy discontinuation on mortality after myocardial infarction. Arch Intern Med 2006;166:1842-7
   PubMed Web of Science ®Google Scholar
• Sokol MC, McGuigan KA, Verbrugge RR, et al. Impact of medication adherence on hospitalization risk and healthcare cost. Med Care 2005;43:521-30
   PubMed Web of Science ®Google Scholar
• Vik SA, Maxwell CJ, Hogan DB. Measurement, correlates, and health outcomes of medication adherence among seniors. Ann Pharmacother 2004;38:303-12
   PubMed Web of Science ®Google Scholar
• Garfield S, Clifford S, Eliasson L, et al. Suitability of measures of self-reported medication adherence for routine clinical use: a systematic review. BMC Med Res Methodol 2011;11:149-57
   PubMed Web of Science ®Google Scholar
• Nunes V, Neilson J, O’Flynn N, et al. Clinical guidelines and evidence review for medicines adherence: involving patients in decisions about prescribed medicines and supporting adherence. London, UK: Royal College of General Practitioners; 2009
   Google Scholar
• Stirratt MJ, Dunbar-Jacob J, Crane HM, et al. Self-report measures of medication adherence behavior: recommendations on optimal use. Transl Behav Med 2015;5:470-82
   PubMed Web of Science ®Google Scholar
• Morisky DE, Green LW, Levine DM. Concurrent and predictive validity of a self-reported measure of medication adherence. Med Care 1986;24:67-74
   PubMed Web of Science ®Google Scholar
• Unni EJ, Olson JL, Farris KB. Revision and validation of Medication Adherence Reasons scale (MAR-scale). Curr Med Res Opin 2014;30:211-21
   PubMed Web of Science ®Google Scholar
• Morisky DE, Ang A, Krousel-Wood M, et al. Predictive validity of a medication adherence measure in an outpatient setting. J Clin Hypertens 2008;10:348-54
   PubMed Web of Science ®Google Scholar
• Elixhauser A, Eisen SA, Romeis JC, et al. The effects of monitoring and feedback on compliance. Med Care 1990;28:882-93
   PubMed Web of Science ®Google Scholar
• Pratt RJ, Robinson N, Loveday HP, et al. Adherence to antiretroviral therapy: appropriate use of self-reporting in clinical practice. HIV Clin Trials 2001;2:146-59
   PubMedGoogle Scholar
• Sewitch MJ, Leffondré K, Dobkin PL. Clustering patients according to health perceptions: relationships to psychosocial characteristics and medication nonadherence. J Psychosom Res 2004;56:323-32
   PubMed Web of Science ®Google Scholar
• Shalansky SJ, Levy AR, Ignaszewski AP. Self-reported Morisky score for identifying nonadherence with cardiovascular medications. Ann Pharmacother 2004;38:1363-8
   PubMed Web of Science ®Google Scholar
• Al-Qazaz HK, Hassali MA, Shafie AA, et al. The eight-item Morisky Medication Adherence Scale MMAS: translation and validation of the Malaysian version. Diabetes Res Cinical Pract 2010;90:216-21
   PubMed Web of Science ®Google Scholar
• Muntner P, Joyce C, Holt E, et al. Defining the minimal detectable change in scores on the eight-item Morisky Medication Adherence Scale. Ann Pharmacother 2011;45:569-75
   PubMed Web of Science ®Google Scholar
• Unni EJ, Farris KB. Development of a new scale to measure self-reported medication nonadherence. Res Soc Adm Pharm 2009;11 (3):133-144
   Google Scholar
• Barber N. Should we consider non-compliance a medical error? Qual Saf Health Care 2002;11:81-4
   PubMed Web of Science ®Google Scholar
• Barber N, Safdar A, Franklin BD. Can human error theory explain non-adherence? Pharm World Sci 2005;27:300-4
   PubMedGoogle Scholar
• Bosworth HB, Voils CI. Theoretical models to understand treatment adherence. In: Bosworth HB, Oddone EZ, Weinberger M, editors. Patient Treatment Adherence: Concept, Interventions and Measurement. 1st ed. Mahwah, NJ: Lawrence Erlbaum Associates; 2006. p 13-47
   Google Scholar
• Munro S, Lewin S, Swart T, et al. A review of health behaviour theories: how useful are these for developing interventions to promote long-term medication adherence for TB and HIV/AIDS? BMC Public Health 2007;7:104-19
   PubMed Web of Science ®Google Scholar
• Myers L, Midence K. Adherence to treatment in medical conditions. Amsterdam, The Netherlands: Harwood Academic; 1998
   Google Scholar
• Reason J. Understanding adverse events: human factors. Qual Heal Care 1995;4:80-9
   PubMedGoogle Scholar
• Reason J. Human error: models and management. Br Med J 2000;320:768-70
   PubMed Web of Science ®Google Scholar
• Nau DP. Proportion of days covered (PDC) as a preferred method of measuring medication adherence. Pharm Qual Alliance 2009.
   Google Scholar
• Centers for Medicare & Medicaid Services. Announcement of calendar year (CY) 2013 Medicare advantage capitation rates and Medicare advantage and part D payment policies and final call letter. Baltimore, MD: CMMS; 2012.
   Google Scholar
• Singleton Jr RA, Straits BC. Approaches to social research. 4th ed. New York, NY: Oxford University Press; 2005
   Google Scholar
• Beatty PC, Willis GB. Research synthesis: the practice of cognitive interviewing. Public Opin Q 2007;71:287-311
   Web of Science ®Google Scholar
• Collins D. Pretesting survey instruments: an overview of cognitive methods. Qual Life Res 2003;12:229-38
   PubMed Web of Science ®Google Scholar
• Fornell C, Larcker DF. Evaluating structural equation modeling with unobsevable variables and measurement error. J Mark 1981;18:39-50
   Web of Science ®Google Scholar
• Anderson JC, Gerbing DW. Structural equation modeling in practice: a review and recommended two-step approach. Psychol Bull 1988;103:411-23
   Web of Science ®Google Scholar
• Steenkamp J-BEM, de Jong MG, Baumgartner H. Socially desirable response tendencies in survey research. J Mark Res 2010;XLVII:199-214
   Google Scholar
• National Committee for Quality Assurance. Pharmacy Measures. Washington, DC: NCQA; 2010
   Google Scholar
• Erickson SR, Coombs JH, Kirking DM, et al. Compliance from self-reported versus pharmacy claims data with metered-dose inhalers. Ann Pharmacother 2001;35:997-1003
   PubMed Web of Science ®Google Scholar
• Hess LM, Raebel MA, Conner DA, et al. Measurement of adherence in pharmacy administrative databases: a proposal for standard definitions and preferred measures. Ann Pharmacother 2006;40:1280-8
   PubMed Web of Science ®Google Scholar
• Peterson AM, Nau DP, Cramer JA, et al. A checklist for medication compliance and persistence studies using retrospective databases. Value Heal 2007;10:3-12
   PubMed Web of Science ®Google Scholar
• Patel BV, Leslie RS, Thiebaud P, et al. Adherence with single-pill amlodipine/atorvastatin vs a two-pill regimen. Vasc Health Risk Manag 2008;4:673-81
   PubMedGoogle Scholar
• Cronbach LJ. Coefficient alpha and the internal structure of tests. Psychometrika 1951;16:297-334
   Web of Science ®Google Scholar
• Hair JF, Black WC, Babin BJ, et al. Multivariate data analysis. 7th ed. Upper Saddle River, NJ: Prentice Hall; 2010
   Google Scholar
• Kline RB. Principles and practice of structural equation modeling. 3rd ed. Princ. Pract. Struct. Equ. Model. New York, NY: The Guilford Press; 2016
   Google Scholar
• Karve S, Cleves MA, Helm M, et al. Good and poor adherence: optimal cut-point for adherence measures using administrative claims data. Curr Med Res Opin 2009;25:2303-10
   PubMed Web of Science ®Google Scholar
• Steiger JH. Tests for comparing elements of a correlation matrix. Psychol Bull 1980;87:245-51
   Web of Science ®Google Scholar
• Tabachnick BG, Fidell LS. Comparing two sets of predictors. Using Multivariate Statistics. 6th ed. New York, NY: Pearson Education, Inc.; 2013. p 153-4
   Google Scholar
• Browne MW, Cudeck R. Alternative ways of assessing model fit. In: Bollen KA, Long JS, editors. Testing Structural Equation Models. Newbury Park, CA: Sage; 1993. p 136-62
   Google Scholar
• Hu L, Bentler PM. Cutoff criteria for fit indexes in covariance structure analysis: conventional criteria versus new alternatives. Struct Equ Model 1999;6:1-55
   Web of Science ®Google Scholar
• Flora DB, Curran PJ. An empirical evaluation of alternative methods of estimation for confirmatory factor analysis with ordinal data. Psychol Methods 2004;9:466-91
   PubMed Web of Science ®Google Scholar
• Youden WJ. Index for rating diagnostic tests. Cancer 1950;3:32-5
   PubMed Web of Science ®Google Scholar
• Centers for Medicare & Medicaid Services. Medicare prescription drug benefit manual: Chapter 6 - part D drugs and formulary requirements [Internet]. Baltimore, MD: CMMS; 2010
   Google Scholar
• McHorney CA, Victor Spain C, Alexander CM, et al. 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 claims. Clin Ther 2009;31:2584-607
   PubMed Web of Science ®Google Scholar
• McHorney CA. The adherence estimator: a brief, proximal screener for patient propensity to adhere to prescription medications for chronic disease. Curr Med Res Opin 2009;25:215-38
   PubMed Web of Science ®Google Scholar