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Mapping Concentrations Of Posttraumatic Stress And Depression Trajectories Following Hurricane Ike, Oliver Gruebner, Sarah R. Lowe, Melissa Tracy, Spruha Joshi, Magdalena Cerdá, Fran H. Norris, S V. Subramanian, Sandro Galea
Mapping Concentrations Of Posttraumatic Stress And Depression Trajectories Following Hurricane Ike, Oliver Gruebner, Sarah R. Lowe, Melissa Tracy, Spruha Joshi, Magdalena Cerdá, Fran H. Norris, S V. Subramanian, Sandro Galea
Department of Psychology Faculty Scholarship and Creative Works
We investigated geographic concentration in elevated risk for a range of postdisaster trajectories of chronic posttraumatic stress symptom (PTSS) and depression symptoms in a longitudinal study (N = 561) of a Hurricane Ike affected population in Galveston and Chambers counties, TX. Using an unadjusted spatial scan statistic, we detected clusters of elevated risk of PTSS trajectories, but not depression trajectories, on Galveston Island. We then tested for predictors of membership in each trajectory of PTSS and depression (e.g., demographic variables, trauma exposure, social support), not taking the geographic nature of the data into account. After adjusting for significant predictors in …