OBJECTIVE: Psychological trauma is an important public health problem, but previous measurement tools have primarily focused on childhood traumatic events while trauma exposure in adulthood (>18 years of age) has received less attention. The purpose of this study was to examine the psychometric properties of an instrument for assessment of psychological trauma in adulthood, the Adulthood Trauma Inventory (ATI). METHOD: Participants (n = 893) completed the ATI, a 33-item questionnaire modeled after the Early Trauma Inventory-Self Report (ETI-SR), assessing traumatic events occurring after 18 years of age. Participants also completed instruments to assess depression, posttraumatic stress disorder (PTSD), and early trauma (ETI-SR). Internal consistency and item response theory metrics were examined. RESULTS: ATI total score (number of items endorsed) yielded the greatest internal consistency (Cronbach's α = .77) and was significantly (p < .0001) correlated with indices of PTSD (ρ = 0.40), depression (ρ = 0.31), and early trauma (ρ = 0.56). Area under the curve and accuracy values ranged from 0.65 and 70% (depression) to 0.75 and 95% (current PTSD). CONCLUSIONS: The ATI is a valid measure of adult psychological trauma that may be useful for both clinical assessment and research involving the long-term effects on the individual and psychobiology. (PsycInfo Database Record (c) 2020 APA, all rights reserved).
OBJECTIVE: Psychological trauma is an important public health problem, but previous measurement tools have primarily focused on childhood traumatic events while trauma exposure in adulthood (>18 years of age) has received less attention. The purpose of this study was to examine the psychometric properties of an instrument for assessment of psychological trauma in adulthood, the Adulthood Trauma Inventory (ATI). METHOD:Participants (n = 893) completed the ATI, a 33-item questionnaire modeled after the Early Trauma Inventory-Self Report (ETI-SR), assessing traumatic events occurring after 18 years of age. Participants also completed instruments to assess depression, posttraumatic stress disorder (PTSD), and early trauma (ETI-SR). Internal consistency and item response theory metrics were examined. RESULTS: ATI total score (number of items endorsed) yielded the greatest internal consistency (Cronbach's α = .77) and was significantly (p < .0001) correlated with indices of PTSD (ρ = 0.40), depression (ρ = 0.31), and early trauma (ρ = 0.56). Area under the curve and accuracy values ranged from 0.65 and 70% (depression) to 0.75 and 95% (current PTSD). CONCLUSIONS: The ATI is a valid measure of adult psychological trauma that may be useful for both clinical assessment and research involving the long-term effects on the individual and psychobiology. (PsycInfo Database Record (c) 2020 APA, all rights reserved).
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