Use of a Self-Report Medication Adherence Scale for Measuring Adherence to Antiretroviral Therapy in Patients With HIV/AIDS. 2018

Karen E Wickersham, and Susan M Sereika, and Hyung-Joo Kang, and Lisa K Tamres, and Judith A Erlen
School of Nursing, University of Pittsburgh, Pittsburgh, Pennsylvania wickersham@umaryland.edu.

This study examined the psychometric properties of a 9-item Morisky Medication Adherence Scale (MMAS-9) adapted specifically for patients with HIV/AIDS. We used data from two randomized controlled trials investigating telephone-delivered interventions for improving adherence to antiretroviral therapy to assess reliability (Cronbach's α and Pearson's product correlation) and validity (convergent and concurrent) of the MMAS-9. The internal consistency (Cronbach's α) of the MMAS-9 was .66 (study 1) and .69 (study 2); 3-month test-retest reliability (Pearson's correlation) ranged from .50 to .74. Validity was supported by associations with electronic event monitored adherence, social support, depressive symptoms, self-efficacy, stigma, regimen complexity, and impact of side effects in the hypothesized direction. The adapted MMAS-9 demonstrated good convergent validity but somewhat lower internal consistency reliability than other reports.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009820 Ohio State bounded on the north by Michigan and Lake Erie, on the east by Ohio River and Pennsylvania, on the south by Ohio River, and on the west by Indiana.
D010414 Pennsylvania State bounded on the north by New York and Lake Erie, on the east by Delaware and New Jersey, on the south by Delaware and Maryland, and on the west by Ohio and West Virginia.
D011594 Psychometrics Assessment of psychological variables by the application of mathematical procedures. Psychometric
D011795 Surveys and Questionnaires Collections of data obtained from voluntary subjects. The information usually takes the form of answers to questions, or suggestions. Community Survey,Nonrespondent,Questionnaire,Questionnaires,Respondent,Survey,Survey Method,Survey Methods,Surveys,Baseline Survey,Community Surveys,Methodology, Survey,Nonrespondents,Questionnaire Design,Randomized Response Technique,Repeated Rounds of Survey,Respondents,Survey Methodology,Baseline Surveys,Design, Questionnaire,Designs, Questionnaire,Methods, Survey,Questionnaire Designs,Questionnaires and Surveys,Randomized Response Techniques,Response Technique, Randomized,Response Techniques, Randomized,Survey, Baseline,Survey, Community,Surveys, Baseline,Surveys, Community,Techniques, Randomized Response
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000163 Acquired Immunodeficiency Syndrome An acquired defect of cellular immunity associated with infection by the human immunodeficiency virus (HIV), a CD4-positive T-lymphocyte count under 200 cells/microliter or less than 14% of total lymphocytes, and increased susceptibility to opportunistic infections and malignant neoplasms. Clinical manifestations also include emaciation (wasting) and dementia. These elements reflect criteria for AIDS as defined by the CDC in 1993. AIDS,Immunodeficiency Syndrome, Acquired,Immunologic Deficiency Syndrome, Acquired,Acquired Immune Deficiency Syndrome,Acquired Immuno-Deficiency Syndrome,Acquired Immuno Deficiency Syndrome,Acquired Immuno-Deficiency Syndromes,Acquired Immunodeficiency Syndromes,Immuno-Deficiency Syndrome, Acquired,Immuno-Deficiency Syndromes, Acquired,Immunodeficiency Syndromes, Acquired,Syndrome, Acquired Immuno-Deficiency,Syndrome, Acquired Immunodeficiency,Syndromes, Acquired Immuno-Deficiency,Syndromes, Acquired Immunodeficiency
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults

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