PSYCH OpenIR  > 认知与发展心理学研究室
Alternative TitleA 1-year Longitudinal Study of PTSD Trajectories and Risk Factors among Adolescents
Thesis Advisor刘正奎
Degree Grantor中国科学院研究生院
Place of Conferral北京
Degree Discipline心理学
Keyword青少年 创伤后应激障碍 潜类别增长分析 追踪研究


Other Abstract

Posttraumatic stress disorder (PTSD) is one of an important research subject in present trauma field. Because of frequent natural disasters around China,how to make psychological assistance work effectively for Reducing the incidence rate of PTSDand other psychophysiological diseases make a big difference.It is investigate the trajectory ofposttraumatic stress reaction and related risk factors that provide scientific basis for “who needs psychological intervention” and “when exerts psychological intervention”.Therefore, the studyof PTSD trajectory and impact factors among adolescents after natural disaster hastheoretical and practical significance.A 1-year longitudinal study of 214 adolescents was conducted and participates were assessed after 2013 Ms. 7.0 Lushan earthquake. The conclusions were drawn as follows:
Firstly, Although the symptoms of PTSD have reduced one year after earthquake, the Incidence of PTSD among adolescents still remained high; There is no significant difference in PTSD incidence at 1, 3, 12 months after the earthquake.
Secondly, four latent classes were identified for posttraumatic stress reaction among adolescents by using latent class growth analysis (LCGA), According to the proportion of each trajectory ranking; the four trajectories are resilience (51.9%), normal (34.6%), delayed distress (8.4%) and recovered (5.1%). Resilience is common trajectory after the earthquake. These results first made it clear that the individuals in delayed distress trajectory as well as recovered were target population in early and continuous psychological intervention.
Thirdly, gender, left-behind experience, trauma exposure, whether or not detection of obvious anxiety as well as acute stress disorder (ASD) two weeks after the earthquake were significant risk factors for PTSD trajectory. These results suggested that psychological intervention must be filled sooner rather than later.
Finally, by comparing the negative emotional experience within four trajectories, we found significant differences on depression, anxiety and stress responseamong resilience, normal, delayed distress and recovered. At the 12 month after the earthquake, there was no significant difference between normal and recovered group.

Subject Area应用心理学
Document Type学位论文
Recommended Citation
GB/T 7714
尹星. 青少年创伤后应激反应发展轨迹及其风险因素:一年的追踪研究[D]. 北京. 中国科学院研究生院,2014.
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