Chunk #8 — 2. Methods — 2.2. Childhood Trauma Questionnaire (CTQ)

Source

Two HPA axis genes, CRHBP and FKBP5, interact with childhood trauma to increase the risk for suicidal behavior.

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The CTQ (28 item version) was completed by 538 patients (92% men) with substance dependence; 166 (90% men) had attempted suicide. The CTQ was completed by 342 non-substance dependent participants (42% men), 32 (28% men) of whom had attempted suicide (see Fig. 1).