| Longitudinal measurement invariance of the metabolic syndrome: is the assessment of the metabolic syndrome stable over time? | |
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MedLine Citation:
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PMID: 21109452 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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PURPOSE: Without verification of longitudinal measurement invariance, researchers cannot be certain whether observed change in the metabolic syndrome reflects true change or changes in assessment or structure of the construct over time. This research tested longitudinal measurement invariance of a 1-factor model of the metabolic syndrome during the course of 6 years. METHODS: Tests of longitudinal measurement invariance (configural, metric, and scalar) were conducted on 604 men and women who participated in the Spokane Heart Study from 1996 to 2006. Metabolic syndrome indicators included body mass index, triglycerides, high-density lipoprotein, diastolic blood pressure, and fasting glucose. RESULTS: Sequential configural and metric invariance models demonstrated adequate model fit, but the scalar invariance model led to a decrement in fit. Therefore, the theoretical framework of the syndrome and the relationships between the syndrome construct and the indicators appear to be equivalent over time. However, observed values of the metabolic syndrome indicators may differ across time when there is a constant level of the syndrome. CONCLUSIONS: Because longitudinal invariance was not fully demonstrated, interpretation of change in the metabolic syndrome over time may be misleading because change may be partly attributable to measurement properties of the indicators. However, a cross-sectional 1-factor model of the metabolic syndrome is supported. |
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Authors:
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Celestina Barbosa-Leiker; Bruce R Wright; G Leonard Burns; Craig D Parks; Paul S Strand |
Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2010-12-15 |
Journal Detail:
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Title: Annals of epidemiology Volume: 21 ISSN: 1873-2585 ISO Abbreviation: Ann Epidemiol Publication Date: 2011 Feb |
Date Detail:
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Created Date: 2010-12-27 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9100013 Medline TA: Ann Epidemiol Country: United States |
Other Details:
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Languages: eng Pagination: 111-7 Citation Subset: IM |
Copyright Information:
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Copyright © 2011 Elsevier Inc. All rights reserved. |
Affiliation:
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Washington State University, Pullman, WA, USA. celestina@wsu.edu |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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