Eighty-nine adult female survivors of childhood sexual abuse, presenting for psychological treatment, were assessed for self-reported rates of self-injurious behaviors (SIB), health complaints, and posttraumatic stress disorder (PTSD) symptoms of physiological arousal. A composite measure of current SIB was significantly and positively associated with health complaints, PTSD arousal, and three measures of sexual abuse severity: age of onset for sexual abuse, injury experienced during the sexual abuse, and perceived life threat. Tests of mediation revealed that symptoms of PTSD arousal mediated the relationship between earlier age of onset for sexual abuse and SIB. PTSD arousal moderated the relationship between sexual-abuse-related injury and SIB. SIB was a unique predictor of health complaints, even after controlling for sexual abuse severity and PTSD arousal.
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Weaver et al. (2004) studied this question.
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