Separating within-person from between-person effects in the longitudinal co-occurrence of depression and different anxiety syndromes in youth |
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| Institution: | 1. University of Illinois-Urbana Champaign, Department of Psychology, 603 E. Daniel Street, Champaign, IL 61820, United States;2. Children’s Hospital of Philadelphia, Roberts Center for Pediatric Research, 2716 South Street, Philadelphia, PA 19146, United States;3. University of Pennsylvania School of Medicine, Roberts Center for Pediatric Research, 2716 South Street, Philadelphia, PA 19146, United States;1. Department of Social and Behavioral Sciences, Harvard T. H. Chan School of Public Health, Boston, Massachusetts;2. Women and Health Initiative, Department of Global Health and Population, Harvard T. H. Chan School of Public Health, Boston, Massachusetts;3. Division of Adolescent and Young Adult Medicine, Boston Children''s Hospital, Boston, Massachusetts;4. Harvard University Center for Population and Development Studies, Harvard University, Cambridge, Massachusetts;1. Concordia University of Edmonton, Department of Psychology, Edmonton, AB, Canada;2. Queen’s University, Department of Psychology, Kingston, ON, Canada |
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| Abstract: | Cross-lagged panel models (CLPM) are often used to study anxiety-depression co-occurrence. However, the CLPM aggregates within- and between-person variance, which can lead to incorrect estimates. The latent curve model with structured residuals (LCM-SR) parses these sources of variance. We utilized the LCM-SR to examine prospective associations between anxiety (physical, social, separation) and depression. Youth (N = 680; Mage = 11.8; 55% female) completed measures of depression and anxiety every 3 months for 3 years (13 timepoints). The LCM-SR describing anxiety-depression co-occurrence fit well (RMSEA = 0.05, SRMR = 0.06). Depression predicted within-person change in social (b = 0.09), physical (b = 0.04), and separation anxiety (b = 0.06) over 13 timepoints. Separation anxiety predicted within-person change in depression (b = 0.08); social and physical anxiety did not. Findings advance knowledge of within-person development of anxiety-depression co-occurrence. |
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| Keywords: | Depression Anxiety Comorbidity Youth Latent curve model with structured residuals |
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