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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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Abstract:
PurposeTo assess the equivalence of self-reports of physical functioning between pediatric respondents to the English- and Spanish-language patient-reported outcomes measurement information system (PROMIS®) physical functioning item banks.MethodsThe PROMIS pediatric physical functioning item banks include 29 upper extremity items and 23 mobility items. A sample of 5091 children and adolescents (mean age=12years, range 8-17; 49% male) completed the English-language version of the items. A sample of 605 children and adolescents (mean age=12years, range 8-17; 55% male; 96% Hispanic) completed the Spanish-language version of the items.ResultsWe found language (English versus Spanish) differential item functioning (DIF) for 4 upper extremity items and 7 mobility items. Product-moment correlations between estimated upper extremity and mobility scores using the English versus the equated Spanish item parameters for Spanish-language respondents were 0.98 and 0.99, respectively. After excluding cases with significant person misfit, we found DIF for the same 4 upper extremity items that had DIF in the full sample and for 12 mobility items (including the same 7 mobility items that had DIF in the full sample). The identification of DIF items between English- and Spanish-language respondents was affected slightly by excluding respondents displaying person misfit.ConclusionsThe results of this study provide support for measurement equivalence of self-reports of physical functioning by children and adolescents who completed the English- and Spanish-language surveys. Future analyses are needed to replicate the results of this study in other samples.
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Keyword:
Adolescent; Child; Children and adolescent health; Clinical Research; Differential item functioning; Female; Health Policy & Services; Hispanic Americans; Humans; Language; Male; Pediatric; Pediatric Research Initiative; Person fit; Physical functioning; Psychology; Psychometrics; Public Health and Health Services; Quality of Life; Surveys and Questionnaires
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URL: https://escholarship.org/uc/item/648812gz
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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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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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