The Epidemiologic Studies Of Risk Factors On Posttraumatic Stress Disorder

Posttraumatic stress disorder (PTSD) is a kind of continuity of normalitic acute stress disorder, and is the linking of a distinct configuration of symptoms with an identifiable traumatic event that is outside the range of usual experience. It causes the individual continued 3 kinds of high feature symptoms of re-experiencing, avoidance, and increased arousal. The prognosis of PTSD is stubborn, which seriously impacts psychological and social function of patients. Nowadays, the increasingly intense of modem society in competition, accidental incident grows day by day, PTSD occurrences submit obvious rising tendency. PTSD relevant papers were reported more in western countries than that in domestic. The standard epidemiology studies of PTSD are still lacked in China. However, PTSD prevenlences were closely correlation with background of society, economy, culture, and customs. Therefore, it may have great discrepancy between country and country.Hospital-based case-control study65 PTSD inpatients, coming from Xi'an mental health centre, were used as the case group. 65 general non-psychiatric inpatients matched with cases in age, gender, occupation, marriage and educational degree, comeing Xijing hospital, were used as control. The following results were found:1. Lower family economic income level and introvert personality distributed more in PTSD patients than that in the control patients. OR (95%CI) were 16.80(5.91～53.51) and 3.68(1.66～8.21) respectively.2. The uni-factorial analysis of life events showed that life events of honorary damage (OR=9.67, 95% CI 3.84～24.34), domestic strife (OR=3.00, 95% CI 1.002～8.98), fright (OR=18.64, 95% CI 7.25～47.95), children death (OR=2.12,95% CI 1.76～2.56) and initiation to go to school and to get job (OR=2.05, 95% CI 1.001～4.20) distribute more in PTSD patients than that in the control patients. In enlistment and demobilization (OR=0.23, 95% CI 0.08～0.62) and staying in other places (OR=0.28, 95% CI 0.09～0.82), on the contrast, distributed less in case group than that in the controls. It is suggested that PTSD is relevant with particular life events.3. The original score and T score of neuroticism (N) dimension in PTSD patients increased more significantly than those in controls, in which the dose-effect response was found.