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Readability estimates for commonly used health-related quality of life surveys.

Paz SH, Liu H, Fongwa MN, Morales LS, Hays RD - Qual Life Res (2009)

Bottom Line: The percentage of items that require more than 5 years of formal schooling according to F-K was 50 for the EQ-5D, 53 for the SF-36, 80 for the VFQ-25, 85 for the QWB-SA, 100 for the HUI, HALex, and the MLHFQ.The percentage of items deemed harder than "easy" according to FRE was 50 for the SF-36, 67 for the EQ-5D, 79 for the QWB-SA, 80 for the VFQ-25, 100 for the HUI, HALex, and the MLHFQ.All seven surveys have a substantial number of items with high readability levels that may not be appropriate for the general population.

View Article: PubMed Central - PubMed

Affiliation: Department of Health Services, UCLA School of Public Health, Los Angeles, CA 90095-1772, USA. shpaz@ucla.edu

ABSTRACT

Purpose: To estimate readability of seven commonly used health-related quality of life instruments: SF-36, HUI, EQ-5D, QWB-SA, HALex, Minnesota Living with Heart Failure Questionnaire (MLHFQ), and the NEI-VFQ-25.

Methods: The Flesch-Kincaid (F-K) and Flesch Reading Ease (FRE) formulae were used to estimate readability for every item in each measure.

Results: The percentage of items that require more than 5 years of formal schooling according to F-K was 50 for the EQ-5D, 53 for the SF-36, 80 for the VFQ-25, 85 for the QWB-SA, 100 for the HUI, HALex, and the MLHFQ. The percentage of items deemed harder than "easy" according to FRE was 50 for the SF-36, 67 for the EQ-5D, 79 for the QWB-SA, 80 for the VFQ-25, 100 for the HUI, HALex, and the MLHFQ.

Conclusions: All seven surveys have a substantial number of items with high readability levels that may not be appropriate for the general population.

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Related in: MedlinePlus

QWB-SA
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Fig4: QWB-SA

Mentions: Means with 95% confidence intervals, medians, standard deviations, and ranges of F–K and FRE readability scores across items for each survey were calculated and are presented in Table 2. The F–K scores are also presented graphically in Figs. 1, 2, 3, 4, 5, 6, 7, and 8. Microsoft Office Excel, version 2007, was used for all analyses.Table 2


Readability estimates for commonly used health-related quality of life surveys.

Paz SH, Liu H, Fongwa MN, Morales LS, Hays RD - Qual Life Res (2009)

QWB-SA
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Related In: Results  -  Collection

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getmorefigures.php?uid=PMC2724639&req=5

Fig4: QWB-SA
Mentions: Means with 95% confidence intervals, medians, standard deviations, and ranges of F–K and FRE readability scores across items for each survey were calculated and are presented in Table 2. The F–K scores are also presented graphically in Figs. 1, 2, 3, 4, 5, 6, 7, and 8. Microsoft Office Excel, version 2007, was used for all analyses.Table 2

Bottom Line: The percentage of items that require more than 5 years of formal schooling according to F-K was 50 for the EQ-5D, 53 for the SF-36, 80 for the VFQ-25, 85 for the QWB-SA, 100 for the HUI, HALex, and the MLHFQ.The percentage of items deemed harder than "easy" according to FRE was 50 for the SF-36, 67 for the EQ-5D, 79 for the QWB-SA, 80 for the VFQ-25, 100 for the HUI, HALex, and the MLHFQ.All seven surveys have a substantial number of items with high readability levels that may not be appropriate for the general population.

View Article: PubMed Central - PubMed

Affiliation: Department of Health Services, UCLA School of Public Health, Los Angeles, CA 90095-1772, USA. shpaz@ucla.edu

ABSTRACT

Purpose: To estimate readability of seven commonly used health-related quality of life instruments: SF-36, HUI, EQ-5D, QWB-SA, HALex, Minnesota Living with Heart Failure Questionnaire (MLHFQ), and the NEI-VFQ-25.

Methods: The Flesch-Kincaid (F-K) and Flesch Reading Ease (FRE) formulae were used to estimate readability for every item in each measure.

Results: The percentage of items that require more than 5 years of formal schooling according to F-K was 50 for the EQ-5D, 53 for the SF-36, 80 for the VFQ-25, 85 for the QWB-SA, 100 for the HUI, HALex, and the MLHFQ. The percentage of items deemed harder than "easy" according to FRE was 50 for the SF-36, 67 for the EQ-5D, 79 for the QWB-SA, 80 for the VFQ-25, 100 for the HUI, HALex, and the MLHFQ.

Conclusions: All seven surveys have a substantial number of items with high readability levels that may not be appropriate for the general population.

Show MeSH
Related in: MedlinePlus