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dc.contributor.authorGandek, Barbara
dc.contributor.authorWare, John E. Jr.
dc.contributor.authorAaronson, Neil K.
dc.contributor.authorAlonso, Jordi
dc.contributor.authorApolone, Giovanni
dc.contributor.authorBjorner, Jakob B.
dc.contributor.authorBrazier, John E.
dc.contributor.authorBullinger, Monika
dc.contributor.authorFukuhara, Shunichi
dc.contributor.authorKaasa, Stein
dc.contributor.authorLeplege, Alain
dc.contributor.authorSullivan, Marianne
dc.date2022-08-11T08:10:41.000
dc.date.accessioned2022-08-23T17:16:29Z
dc.date.available2022-08-23T17:16:29Z
dc.date.issued1998-11-17
dc.date.submitted2010-06-18
dc.identifier.citationJ Clin Epidemiol. 1998 Nov;51(11):1149-58. <a href="http://dx.doi.org/10.1016/S0895-4356(98)00106-1">Link to article on publisher's site</a>
dc.identifier.issn0895-4356 (Linking)
dc.identifier.doi10.1016/S0895-4356(98)00106-1
dc.identifier.pmid9817132
dc.identifier.urihttp://hdl.handle.net/20.500.14038/47408
dc.description.abstractData from general population samples in 11 countries (n = 1483 to 9151) were used to assess data quality and test the assumptions underlying the construction and scoring of multi-item scales from the SF-36 Health Survey. Across all countries, the rate of item-level missing data generally was low, although slightly higher for items printed in the grid format. In each country, item means generally were clustered as hypothesized within scales. Correlations between items and hypothesized scales were greater than 0.40 with one exception, supporting item internal consistency. Items generally correlated significantly higher with their own scale than with competing scales, supporting item discriminant validity. Scales could be constructed for 93-100% of respondents. Internal consistency reliability of the eight SF-36 scales was above 0.70 for all scales, with two exceptions. Floor effects were low for all except the two role functioning scales; ceiling effects were high for both role functioning scales and also were noteworthy for the Physical Functioning, Bodily Pain, and Social Functioning scales in some countries. These results support the construction and scoring of the SF-36 translations in these 11 countries using the method of summated ratings.
dc.language.isoen_US
dc.relation<a href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=pubmed&cmd=Retrieve&list_uids=9817132&dopt=Abstract">Link to Article in PubMed</a>
dc.relation.urlhttp://dx.doi.org/10.1016/S0895-4356(98)00106-1
dc.subjectCross-Cultural Comparison
dc.subjectDeveloped Countries
dc.subjectDiscriminant Analysis
dc.subject*Health Status Indicators
dc.subjectHumans
dc.subjectPsychometrics
dc.subject*Quality of Life
dc.subjectQuestionnaires
dc.subjectBiostatistics
dc.subjectEpidemiology
dc.subjectHealth Services Research
dc.titleTests of data quality, scaling assumptions, and reliability of the SF-36 in eleven countries: results from the IQOLA Project. International Quality of Life Assessment
dc.typeJournal Article
dc.source.journaltitleJournal of clinical epidemiology
dc.source.volume51
dc.source.issue11
dc.identifier.legacycoverpagehttps://escholarship.umassmed.edu/qhs_pp/549
dc.identifier.contextkey1363384
html.description.abstract<p>Data from general population samples in 11 countries (n = 1483 to 9151) were used to assess data quality and test the assumptions underlying the construction and scoring of multi-item scales from the SF-36 Health Survey. Across all countries, the rate of item-level missing data generally was low, although slightly higher for items printed in the grid format. In each country, item means generally were clustered as hypothesized within scales. Correlations between items and hypothesized scales were greater than 0.40 with one exception, supporting item internal consistency. Items generally correlated significantly higher with their own scale than with competing scales, supporting item discriminant validity. Scales could be constructed for 93-100% of respondents. Internal consistency reliability of the eight SF-36 scales was above 0.70 for all scales, with two exceptions. Floor effects were low for all except the two role functioning scales; ceiling effects were high for both role functioning scales and also were noteworthy for the Physical Functioning, Bodily Pain, and Social Functioning scales in some countries. These results support the construction and scoring of the SF-36 translations in these 11 countries using the method of summated ratings.</p>
dc.identifier.submissionpathqhs_pp/549
dc.contributor.departmentDepartment of Quantitative Health Sciences
dc.source.pages1149-58


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