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Assessing Longitudinal Invariance of the Center for Epidemiologic Studies-Depression Scale Among Middle-Aged and
Mulubrhan F Mogos1, Jason W Beckstead, Kevin E Kip
1Indiana University, USA.
Background And Purpose:
The longitudinal invariance of the Center for Epidemiologic Studies-Depression (CES-D) scale among middle-aged and older adults is unknown. This study examined the factorial invariance of the CES-D scale in a large cohort of community-based adults longitudinally.
Methods:
1,204 participants completed the 20-item CES-D scale at 4 time points 1 year apart. Structural equation modeling was used to identify best fitting model using longitudinal data at baseline and at 1-, 2-, and 3-year follow-up.
Results:
The 4-factor model showed partial invariance over 3 years. Two of the 6 noninvariant items were consistently noninvariant at the 3 follow-up points.
Conclusion:
Special consideration should be given to these 2 items when using the CES-D scale in healthy adults (45-75 years old).
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