A gender specific psychometric analysis of the early trauma inventory short form in cocaine dependent adults.

Department of Psychiatry, Yale University School of Medicine, Substance Abuse Treatment Unit, 1 Long Wharf Drive, Box 18, New Haven, CT 06511, United States.
Addictive Behaviors (Impact Factor: 2.44). 06/2005; 30(4):847-52. DOI: 10.1016/j.addbeh.2004.08.009
Source: PubMed

ABSTRACT This study evaluated the gender specific psychometric properties of the Early Trauma Inventory-Short Form (ETI-SF) in a clinical sample of cocaine dependent men (N=58) and women (N=34). Participants were administered the ETI-SF, the Childhood Trauma Questionnaire Short Form (CTQ-SF), and the Structured Clinical Interview for DSM-IV Axis I Disorders (SCID-I). Tests of internal consistency, convergent validity, and predictive validity were conducted separately by gender. Findings indicated that the ETI-SF demonstrated good internal consistency; Cronbach's alpha ranged from 0.73 to 0.80 for men and from 0.70 to 0.77 for women. The measure also demonstrated good convergence with the CTQ-SF in both sexes, indicating that reports of child maltreatment are consistent across interview and self-report measures. Further, predictive validity was demonstrated by the ability of various ETI-SF scales to predict the co-occurrence of psychiatric disorders commonly associated with early trauma. These included lifetime diagnosis of PTSD in men and women, the lifetime diagnosis of major depressive disorder in men, and the lifetime diagnoses of alcohol use disorders in women. The findings support the utility of the ETI-SF as a clinical research tool to obtain data on specific types of early trauma in drug abusing samples.

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    ABSTRACT: This study aims to translate and validate Early Trauma Inventory Self Report -Short Form (ETISR-SF) to Brazilian Portuguese. 253 adult subjects answered the ETISR-SF, Beck Anxiety Inventory (BAI), Fagerström Test for Nicotine Dependence (FTND), Patient Health Questionnaire (PHQ-9) and Fast Alcohol Screening Test (FAST). The instrument showed good internal consistency (0.83). Correlations with the PHQ-9 and BAI were moderate (r=0.26-0.47) and showed the expected associations with psychiatric constructs. No associations were found for FTND and FAST. Confirmatory Factor Analysis revealed that a correlated four-factor model as well as a second order model subsuming four lower order components presented the best model fit. Test-retest reliability was also excellent (ICC=0.78-0.90). ETISR-SF is suitable for assessing traumatic experiences in a Brazilian community sample. Given the importance of trauma as a public health problem, tools such as ETISR-SF may help clinicians/ researchers to better evaluate and measure such events and further advance clinical care of trauma victims.
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