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Course of Depressive Symptoms in Patients Undergoing Heart Surgery: Confirmatory Analysis of the Factor Pattern and Latent Mean Structure of the Center for Epidemiologic Studies Depression Scale

From the Departments of Psychology (R.J.C., D.A.B.) and Sociology (E.L.I.), Rutgers, The State University of New Jersey, Piscataway, New Jersey; the Department of Surgery, UMDNJ–Robert Wood Johnson Medical School, New Brunswick, New Jersey (T.J.K.); and the Center of Alcohol Studies, Rutgers, The State University of New Jersey, Piscataway, New Jersey (E.W.L.).

View larger version (11K): [in this window] [in a new window]   Figure 1. Estimated means of latent common factors representing three dimensions of depressive symptoms measured by the Center for Epidemiologic Studies Depression Scale. Factor means at the presurgical baseline (month 0) are arbitrarily fixed at 0.0.

View larger version (11K): [in this window] [in a new window]   Figure 2. Observed means for Center for Epidemiologic Studies Depression Scale subscales. Subscale scores are based on the average response to items comprising each scale. Table 3 specifies the allocation of items to subscales.