Relations between PTSD and depression symptom clusters in samples differentiated by PTSD diagnostic status.
作者： Ateka A. Contractor , Talya Greene , Megan Dolan , Jon D. Elhai
DOI: 10.1016/J.JANXDIS.2018.08.004
关键词:
摘要: Abstract Co-occurring posttraumatic stress disorder (PTSD) and depression following traumatic experiences are cumulatively associated with functional impairment. To examine mechanisms for the PTSD-depression comorbidity, we investigated their cluster-level associations. Using data obtained from Amazon’s Mechanical Turk platform, 368 trauma-exposed participants were split into two subsamples: those (n = 163) without (n = 185) probable PTSD. In both subsamples, confirmatory factor analyses indicated an optimal seven-factor PTSD Hybrid Model. Results of Wald tests parameter constraints that, in PTSD’s dysphoric arousal cluster strongly related to somatic compared all/most other Model clusters. Additionally, negative affect, externalizing behaviors, anhedonia clusters each non-somatic anxious cluster. Our results that symptoms mainly accounted shared variance depression, while alterations cognitions mood (NACM)/dysphoria (primarily behaviours) depression. findings have implications discussion on specific/non-specific tied diagnostic modifications, understanding underlying use transdiagnostic multi-component treatment protocols symptoms.
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