The impact of literacy on health-related quality of life measurement and outcomes in cancer outpatients.

The impact of literacy on health-related quality of life measurement and outcomes in cancer outpatients. Research Abstract Details 

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The impact of literacy on health-related quality of life measurement and outcomes in cancer outpatients. Abstract Text:

Elizabeth A Hahn,David Cella,Deborah G Dobrez,Barry D Weiss,Hongyan Du,Jin-Shei Lai,David Victorson,Sofia F Garcia,

BACKGROUND: Limited evidence exists regarding the relationship between literacy and health-related quality of life (HRQL). Research is needed to develop measurement techniques for low literacy populations and to evaluate potential literacy-related measurement bias. METHODS: A Talking Touchscreen (TT) was developed for an HRQL study. Low (n = 214) and high literacy (n = 201) adult cancer outpatients participated, 70% of whom were from racial/ethnic minorities. Patients completed three questionnaires by TT: FACT-G (cancer-specific), SF-36 (generic health status), and a standard gamble utility questionnaire. Measurement bias was evaluated using item response theory (IRT). Effects of literacy on HRQL were evaluated using regression models. RESULTS: Most (97%) patients rated the TT easy to use. In IRT analysis, 6/27 FACT-G and 12/31 SF-36 items demonstrated literacy bias; this was relatively balanced (10 items 'biased against' low literacy; 8 'biased against' high literacy). Mean literacy group differences were statistically and clinically non-significant for 9/14 HRQL outcomes. Adjustment for bias and/or covariates eliminated most remaining differences. CONCLUSIONS: The TT is valid and useful for HRQL assessment in low literacy populations. There appears to be no systematic literacy bias in reporting HRQL, and low literacy is not an independent risk factor for poorer HRQL.

The impact of literacy on health-related quality of life measurement and outcomes in cancer outpatients. Publishing Authors By Initials

EA Hahn,D Cella,DG Dobrez,BD Weiss,H Du,JS Lai,D Victorson,SF Garcia,

For similar persons: vulnerable populations research abstracts see: persons: vulnerable populations research

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The impact of literacy on health-related quality of life measurement and outcomes in cancer outpatients. Journal Published:

PUBLICATION TYPE: Research Support, U.S. Gov't,

Journal: Quality of life research : an international journa

VOLUME: 16

Page Numbers: 495-507

Journal Abbreviation:

ISSN: 0962-9343

DAY: 8

MONTH: 11

YEAR: 2006

The impact of literacy on health-related quality of life measurement and outcomes in cancer outpatients. Information

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LANGUAGE: eng

NlmUniqueID: 9210257

The impact of literacy on health-related quality of life measurement and outcomes in cancer outpatients. Keywords Mesh Terms:

KEYWORDS: Vulnerable Populations

MESH TERMS: psychology

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Grant and Affiliation Information for The impact of literacy on health-related quality of life measurement and outcomes in cancer outpatients.

AFFILIATION: Center on Outcomes, Research and Education (CORE), Evanston Northwestern Healthcare, 1001 University Place, Suite 100, Evanston, IL 60201, USA. eahn@northwestern.edu

Country: Netherlands

AGENCY: United States AHRQ

GRANT: R01-HS10333

ACRONYM: HS

MEDLINETA: Qual Life Res

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