The stability of health status measurement (SF-36) in a working population

This study tests the stability of health status measurement (SF-36) in a working population. A total of 4,225 employees from two sectors (one state agency, one private company) enrolled in three health plans at Trigon BlueCross/BlueShield of Virginia. An eight-dimension short-form health survey (SF-...

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Bibliographic Details
Published inJournal of outcome measurement (Wheaton, Ill.) Vol. 4; no. 1; p. 461
Main Authors Chern, J Y, Wan, T T, Pyles, M
Format Journal Article
LanguageEnglish
Published United States 2000
Subjects
Adult
Attitude to Health
Bias
Blue Cross Blue Shield Insurance Plans
Cross-Sectional Studies
Factor Analysis, Statistical
Female
Health Benefit Plans, Employee
Health Status
Health Status Indicators
Health Surveys
Humans
Longitudinal Studies
Male
Middle Aged
Models, Statistical
Occupational Health
Surveys and Questionnaires - standards
Time Factors
Virginia
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Summary:This study tests the stability of health status measurement (SF-36) in a working population. A total of 4,225 employees from two sectors (one state agency, one private company) enrolled in three health plans at Trigon BlueCross/BlueShield of Virginia. An eight-dimension short-form health survey (SF-36) was first tested on a cross-sectional basis for its validity. Then, a panel study was established to test for the stability of health status instrument over time. Structural equation modeling built on equality constraint conditions was the statistical technique for this study. Data were collected through two-wave mail surveys. Both comprehensive (original eight scales) and parsimonious (revised five scales) models of health status were found fit into the data quite well. Furthermore, the revised parsimonious model was shown highly stable over time. Within a working population aged 18 to 64, people are relatively healthy. Their perception of health issues is reflected mainly on "physical health status," as indicated by physical functionings or role limitations. The high stability of revised health status model warrants the possibility of using a more concise health status instrument for the majority of people in working force.
ISSN:1090-655X