Long-term Impact Of Earthquake Lose Relatives On Sleep Quality

Subjective: As one of the measurement on quality of life, sleep is of significant factor which affects people’s health, and relevant to most of mental disorders. The earthquake event severely devastates environment and life, which causes serious life changes, both physical and psychological. Preliminary study has suggested the association between the earthquake exposure and sleep quality, and there were serious sleep issues in earthquake area after the disaster. Much less work has investigated the long term effects of earthquake stress on adults’ risk of sleep disorders. Therefore, the present study investigated the relationship between earthquake stress and poor sleep, and Other factors may influence sleep quality.Methods: Subjects were 330 workers from Kailuan Group, who were birthed and live in Tangshan. Separate them into two groups: people who lost one or more relatives in earthquake were used as the study group, and control group without relatives dead. All of them were collected data on general characteristics which included gender, marital status, family income, degree of culture, and seismic stress history and building’s collapse. All of them were evaluated with Pittsburgh Sleep Quality Index(PSQI), Egna Minnen av Barndoms Uppfostran-own memories of parental rearing practices in childhood(EMBU), Childhood trauma questionnaire(CTQ) and Social Support Rating Scale(SSRS).while the sleep quality as the Dependent Variable, gender, marital status, family income, degree of culture, and seismic stress history building’s collapse, EMBU, CTQ, SSRS as independent variable were analyze with logistic regression analysis. The results of all scales using SPSS13.0 software analysis, t test method was used to compare the difference between the two groups. Logarithmic transformation of triglycerides was used throughout the analysis. The Chi-square test was used to analysis enumeration data. Logistic regression was used to adjust confounding factors(gender, marital status, family income, degree of culture, and seismic stress history building’s collapse, EMBU, CTQ, SSRS).Results:1 There were no statistical differences in Gender(x2=0.018,P=0.894), marital status(x2=5.836,P=0.051), family income(x2=4.142, P=0.126), degree of culture(x2=0.291, P=0.864), and seismic stress history(x2= 0.396, P= 0.821). There was a significant difference in building’s collapse.2 There were no statistical differences in Social support(t =0.445,P= 0.187), childhood trauma(t =-0.459, P=0.023),and parenting style between two group3 Poor sleep detection was 17.6% in study group, and 8.1%in the control group, The rate of poor sleep was significantly higher than that of control(x2=6.199,P=0.013). The subjective sleep quality(t=-3.465,P=0.001), sleeping incubation period(t =-2.674,P=0.008) and sleep time(t =-3.915,P=0.000) of study group were all worse than those of controls.4 With or without Bereavement were shown as the independent determinants of poor sleep on logistic regression analysis(OR=2.262), emotional abuse in childhood show a negative effect on sleep(OR=1.147), while the utilization degree of the support exerted positive effect(OR=0.828).Conclusions:1 Ones who lost relatives in earthquake exists high incidence of poor sleep, earthquake Bereavement may be associated with the quality of sleep, and the effects may be long-lasting, which highlights the subjective sleep quality, sleeping incubation period and sleep time, earthquake Bereavement has been shown to be an independent risk factor for poor sleep.2 There were no significant differences in social support, parenting style, childhood trauma between two groups.3 Emotional abuse in childhood shows a negative effect on sleep, while the utilization degree of the support exerted positive effect.4 Sleep problem of people who lost relatives may persists into adulthood, it’s important to pay constant attention to the sleep problem and other mental health of bereaved people.