癌症患儿父母创伤后应激的因素结构：一项纵向分析*。
The factor structure of traumatic stress in parents of children with cancer: a longitudinal analysis*.
机构信息
Department of Public Health and Caring Sciences, Psychosocial Oncology and Supportive Care, Uppsala University, Uppsala, Sweden.
出版信息
J Pediatr Psychol. 2012 May;37(4):448-57. doi: 10.1093/jpepsy/jsr105. Epub 2011 Dec 13.
OBJECTIVES
To determine the factor structure of posttraumatic stress symptoms (PTSS) and assess its stability over time among parents of children diagnosed with cancer.
METHODS
Parents of children with cancer included in a longitudinal study completed the posttraumatic stress disorder (PTSD) Checklist-Civilian Version 2 weeks (n = 249) and 2 (n = 234) and 4 (n = 203) months after their child's diagnosis. Confirmatory factor analysis (CFA) was used to assess 3 models of the underlying dimensions of PTSD and invariance tests were used to assess stability over time.
RESULTS
A longitudinal CFA with the factors reexperiencing, avoidance, dysphoria, and hyperarousal provided best fit to the data. Invariance testing suggested that the pattern and size of loadings were equivalent across the three assessments. Discussions Findings tentatively suggest that PTSS among parents of children with cancer consist of four factors. Implications for research and clinical practice are discussed.
目的
确定创伤后应激症状（PTSS）的因素结构，并评估癌症患儿父母的 PTSD 在时间上的稳定性。
方法
参加纵向研究的癌症患儿父母在孩子诊断后 2 周（n=249）、2 个月（n=234）和 4 个月（n=203）时完成了创伤后应激障碍检查表-平民版 2 周。使用验证性因子分析（CFA）评估 PTSD 的三个潜在维度模型，并进行不变性检验以评估时间稳定性。
结果
具有再体验、回避、情绪低落和高度警觉四个因素的纵向 CFA 提供了最佳的数据拟合。不变性检验表明，三个评估中负荷的模式和大小是相等的。讨论发现，癌症患儿父母的 PTSD 暂可分为四个因素。讨论了对研究和临床实践的影响。
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