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Differential item functioning by language on the PROMIS® physical functioning items for children and adolescents.
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In: Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation, vol 27, iss 1 (2018)
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Readability and Comprehension of the Geriatric Depression Scale and PROMIS® Physical Function Items in Older African Americans and Latinos.
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In: Paz, Sylvia H; Jones, Loretta; Calderón, José L; & Hays, Ron D. (2017). Readability and Comprehension of the Geriatric Depression Scale and PROMIS® Physical Function Items in Older African Americans and Latinos. The patient, 10(1), 117 - 131. doi:10.1007/s40271-016-0191-y. UCLA: Retrieved from: http://www.escholarship.org/uc/item/8kg9j94c (2017)
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Abstract:
Depression and physical function are particularly important health domains for the elderly. The Geriatric Depression Scale (GDS) and the Patient-Reported Outcomes Measurement Information System (PROMIS®) physical function item bank are two surveys commonly used to measure these domains. It is unclear if these two instruments adequately measure these aspects of health in minority elderly.The aim of this study was to estimate the readability of the GDS and PROMIS® physical function items and to assess their comprehensibility using a sample of African American and Latino elderly.Readability was estimated using the Flesch-Kincaid and Flesch Reading Ease (FRE) formulae for English versions, and a Spanish adaptation of the FRE formula for the Spanish versions. Comprehension of the GDS and PROMIS® items by minority elderly was evaluated with 30 cognitive interviews.Readability estimates of a number of items in English and Spanish of the GDS and PROMIS® physical functioning items exceed the U.S. recommended 5th-grade threshold for vulnerable populations, or were rated as 'fairly difficult', 'difficult', or 'very difficult' to read. Cognitive interviews revealed that many participants felt that more than the two (yes/no) GDS response options were needed to answer the questions. Wording of several PROMIS® items was considered confusing, and interpreting responses was problematic because they were based on using physical aids.Problems with item wording and response options of the GDS and PROMIS® physical function items may reduce reliability and validity of measurement when used with minority elderly.
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Keyword:
80 and over; African Americans; Aged; Cognition; Comprehension; Depression; Female; Geriatric Assessment; Hispanic Americans; Humans; Male; Medical and Health Sciences; Minority Groups; Reproducibility of Results; Surveys and Questionnaires; United States
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URL: http://www.escholarship.org/uc/item/8kg9j94c
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Readability and Comprehension of the Geriatric Depression Scale and PROMIS® Physical Function Items in Older African Americans and Latinos.
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In: The patient, vol 10, iss 1 (2017)
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Differential item functioning of the patient-reported outcomes information system (PROMIS®) pain interference item bank by language (Spanish versus English).
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In: Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation, vol 26, iss 6 (2017)
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Evaluation of the Patient-Reported Outcomes Information System (PROMIS(®)) Spanish-language physical functioning items.
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In: Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation, vol 22, iss 7 (2013)
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