The latent class structure of the posttraumatic stress disorder among adolescent

VernacularTitle:青少年创伤后应激障碍的潜类别结构分析
Author: Mengcheng WANG ; Fen REN ; Yan WU
Publication Type:Journal Article
Keywords: PTSD; Latent class Model; Heterogeneity; Adolescent
From: Chinese Journal of Behavioral Medicine and Brain Science 2014;23(9):836-838
CountryChina
Language:Chinese
Abstract: Objective To explore the latent class structure and heterogeneity of posttraumatic stress disorder(PTSD) in adolescent.Methods The Chinese PTSD Checklist-Civilian Version (PCL-C) was used to assess 560 adolescent from the Wenchuan earthquake area.Latent Class Model was employed to analyze the data.Results Latent Class Analysis revealed four classes of adolescent PTSD sample:pervasive disturbance (n=115,20.5％),no disturbance (n=165,29.5％),Intermediate Symptom with high Emotional Numbing (n=188,33.6％),as well as Intermediate Symptom with low avoidance (n=92,16.4％).The proportion of boys in each subsample were 55.7％,49.7％,50.5％ and 50.4％,respectively.In addition,there was no significant gender difference of prevalence within each class (x2=1.56,P=0.669).Conclusions Four-class model best fit the data for PTSD symptoms,and different clinical intervention should be adopted.