Latent profile analyses of posttraumatic stress disorder,depression and generalized anxiety disorder symptoms in trauma-exposed soldiers |
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Affiliation: | 1. ARQ Centrum’45, Rijnzichtweg 35, 2342 AX Oegstgeest, the Netherlands;2. ARQ National Psychotrauma Centre, Nienoord 10, Diemen, 1112XE, the Netherlands;3. Utrecht University, Department of Clinical Psychology, Heidelberglaan 1, 3584 CS Utrecht, the Netherlands |
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Abstract: | Posttraumatic stress disorder (PTSD) is comorbid with major depressive disorder (MDD; Kessler et al., 1995) and generalized anxiety disorder (GAD; Brown et al., 2001). We aimed to (1) assess discrete patterns of post-trauma PTSD-depression-GAD symptoms using latent profile analyses (LPAs), and (2) assess covariates (gender, income, education, age) in defining the best fitting class solution. The PTSD Checklist (assessing PTSD symptoms), GAD-7 scale (assessing GAD symptoms), and Patient Health Questionnaire-9 (assessing depression) were administered to 1266 trauma-exposed Ohio National Guard soldiers. Results indicated three discrete subgroups based on symptom patterns with mild (class 1), moderate (class 2) and severe (class 3) levels of symptomatology. Classes differed in symptom severity rather than symptom type. Income and education significantly predicted class 1 versus class 3 membership, and class 2 versus class 3. In conclusion, there is heterogeneity regarding severity of PTSD-depression-GAD symptomatology among trauma-exposed soldiers, with income and education predictive of class membership. |
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Keywords: | PTSD Depression GAD Trauma-exposed soldiers Latent profile analyses |
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