Hispanic ethnicity and Caucasian race: Relations with posttraumatic stress disorder's factor structure in clinic-referred youth.

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Psychological trauma : theory, research, practice and policy, ISSN: 1942-969X, Vol: 7, Issue: 5, Page: 456-64

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Contractor, Ateka A; Claycomb, Meredith A; Byllesby, Brianna M; Layne, Christopher M; Kaplow, Julie B; Steinberg, Alan M; Elhai, Jon D
American Psychological Association (APA)
Psychology; adolescent; child; European Continental Ancestry Group; factor analysis; statistical; female; Hispanic Americans; humans; male; models; psychological; psychiatric status rating scales; Severity of Illness Index; stress disorders; post-traumatic; Child Psychology; Medicine and Health Sciences; Mental Disorders
article description
The severity of posttraumatic stress disorder (PTSD) symptoms is linked to race and ethnicity, albeit with contradictory findings (reviewed in Alcántara, Casement, & Lewis-Fernández, 2013; Pole, Gone, & Kulkarni, 2008). We systematically examined Caucasian (n = 3,767) versus non-Caucasian race (n = 2,824) and Hispanic (n = 2,395) versus non-Hispanic ethnicity (n = 3,853) as candidate moderators of PTSD's 5-factor model structural parameters (Elhai et al., 2013). The sample was drawn from the National Child Traumatic Stress Network's Core Data Set, currently the largest national data set of clinic-referred children and adolescents exposed to potentially traumatic events. Using confirmatory factor analysis, we tested the invariance of PTSD symptom structural parameters by race and ethnicity. Chi-square difference tests and goodness-of-fit values showed statistical equivalence across racial and ethnic groups in the factor structure of PTSD and in mean item-level indicators of PTSD symptom severity. Results support the structural invariance of PTSD's 5-factor model across the compared racial and ethnic groups. Furthermore, results indicated equivalent item-level severity across racial and ethnic groups; this supports the use of item-level comparisons across these groups.