Do positive memory characteristics influence daily-level trajectories of posttraumatic stress disorder symptoms? an exploratory daily diary study,Anxiety, Stress & Coping

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Do positive memory characteristics influence daily-level trajectories of posttraumatic stress disorder symptoms? an exploratory daily diary study
Anxiety, Stress & Coping ( IF 2.3 ) Pub Date : 2022-05-13 , DOI: 10.1080/10615806.2022.2075856
Ateka A Contractor ₁ , Brett A Messman ₁ , Danica C Slavish ₁ , Nicole H Weiss ₂

Affiliation

ABSTRACT

Background and Objectives

Evidence links posttraumatic stress disorder (PTSD) with positive memory characteristics. To extend this research, we utilized daily diary data to examine (1) concurrent/lagged associations between daily PTSD symptom severity and positive memory vividness/accessibility; and (2) associations between baseline-assessed positive memory characteristics and changes in PTSD symptom severity over time.

Design and Methods

A sample of 238 trauma-exposed participants (M_age= 21.19 years; 86% women) completed baseline and 10 daily measures of PTSD symptoms and positive memory characteristics. Multilevel models covaried for gender, number of trauma types, and number of completed surveys.

Results

Days with greater PTSD symptom severity than an individual’s average associated with less vividness (b = −0.02, p < .001) and accessibility (b = −0.02, p < .001) of the positive memory on the same day. Days with greater positive memory vividness (b = −1.06, p < .001) and accessibility (b = −0.93, p < .001) than an individual’s average associated with less PTSD symptom severity on the same day. There were no significant lagged associations between these constructs. There were significant interactions between baseline-assessed psychological distance and time (b = −0.04, p = .042) and between baseline-assessed visual perspective and time (b = 0.05, p = .023) on PTSD symptom severity across days.

Conclusions

Findings inform positive memory intervention targets for PTSD and provide impetus for longitudinal investigations on their inter-relations.

中文翻译：

积极的记忆特征是否会影响创伤后应激障碍症状的日常轨迹？探索性每日日记研究

抽象的

背景和目标

有证据表明创伤后应激障碍 (PTSD) 与积极的记忆特征有关。为了扩展这项研究，我们利用每日日记数据来检查（1）每日 PTSD 症状严重程度与积极记忆生动性/可访问性之间的并发/滞后关联； (2) 基线评估的积极记忆特征与 PTSD 症状严重程度随时间变化之间的关联。

设计与方法

238 名遭受创伤的参与者（ M_年龄= 21.19 岁；86% 为女性）组成的样本完成了 PTSD 症状和积极记忆特征的基线测量和 10 次日常测量。多层次模型针对性别、创伤类型数量和已完成调查的数量进行协变。

结果

PTSD 症状严重程度高于个人平均水平的日子与同一天积极记忆的生动性 ( b = -0.02, p < .001) 和可及性 ( b = -0.02, p < .001) 相关。与同一天 PTSD 症状严重程度较低相关的个人平均值相比，积极记忆生动度 ( b = -1.06， p < .001) 和可访问性 ( b = -0.93， p < .001) 更高的日子。这些结构之间没有显着的滞后关联。基线评估的心理距离和时间（ b = -0.04， p = .042）以及基线评估的视觉视角和时间（ b = 0.05， p = .023）之间对于跨天的 PTSD 症状严重程度存在显着的交互作用。