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Correspondence Between Retrospective and Momentary Self-Reported Posttraumatic Stress Disorder Symptoms: Evidence for Peak and End Effects in Veterans
Journal of Traumatic Stress ( IF 3.952 ) Pub Date : 2021-03-20 , DOI: 10.1002/jts.22669
Suzanne E Decker 1, 2 , Marc I Rosen 1, 2 , Ned L Cooney 1, 2 , Paula P Schnurr 3, 4 , Anne C Black 1, 5
Affiliation  

Validated retrospective self-report symptom rating scales are recommended for posttraumatic stress disorder (PTSD) screening and treatment. However, such reports may be affected by a respondent's most intense (“peak”) or most recent (“end”) symptoms. The present study evaluated the correspondence between PTSD symptoms assessed using a standard past-month retrospective rating scale and recorded by ecological momentary assessment (EMA) over the same period and tested hypotheses that retrospective scores would be predicted by peak and end-period momentary symptoms. Male U.S. veterans (N = 35) who served post-9/11 completed the PTSD Symptom Checklist for DSM-5 (PCL-5) at baseline and 1 month later. For 28 days during the intervening period, they received quasi-randomly timed text prompts to complete a modified version of the PCL-5 at that moment. Using multiple regression modeling, controlling for the number of completed EMAs and time (days) since the last EMA, we assessed the predictability of follow-up retrospective PCL-5 scores by (a) the mean of all momentary scores and (b) peak and last-day momentary scores. Retrospective PCL-5 scores were closest to peak scores, d = −0.31, and substantially higher than overall mean, d = 0.99, and last-day momentary scores, d = 0.94. In the regression model, peak symptom experiences and last-day momentary symptoms uniquely predicted follow-up PCL-5 scores over and above significant prediction by overall mean momentary symptom scores. In sum, participants’ self-reported past-month PTSD symptom severity did not simply reflect an average over time. Additional questioning is needed to understand peak and recent symptom periods reflected in these estimates.

中文翻译:

回顾性和瞬时自我报告的创伤后应激障碍症状之间的对应关系:退伍军人高峰和终末效应的证据

建议将经过验证的回顾性自我报告症状评定量表用于创伤后应激障碍 (PTSD) 筛查和治疗。但是,此类报告可能会受到受访者最强烈(“高峰”)或最近(“结束”)症状的影响。本研究评估了使用标准过去一个月回顾性评定量表评估的 PTSD 症状之间的对应关系,并通过生态瞬时评估 (EMA) 在同一时期进行记录,并检验了回顾性评分将由峰值和期末瞬时症状预测的假设。9/11 后服役的美国男性退伍军人 ( N = 35) 完成了DSM-5的 PTSD 症状检查表(PCL-5) 在基线和 1 个月后。在此期间的 28 天里,他们收到了准随机定时的文本提示,以在那时完成 PCL-5 的修改版本。使用多元回归模型,控制完成 EMA 的数量和自上次 EMA 以来的时间(天),我们通过 (a) 所有瞬时评分的平均值和 (b) 峰值评估了随访回顾性 PCL-5 评分的可预测性和最后一天的瞬时分数。回顾性 PCL-5 分数最接近峰值分数,d = -0.31,并且显着高于总体平均值d = 0.99 和最后一天的瞬时分数d= 0.94。在回归模型中,峰值症状体验和最后一天的瞬时症状唯一地预测了后续 PCL-5 评分,超过了整体平均瞬时症状评分的显着预测。总之,参与者自我报告的上个月 PTSD 症状严重程度并不仅仅反映了一段时间内的平均值。需要额外询问以了解这些估计中反映的高峰期和近期症状期。
更新日期:2021-03-20
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