Modelling the stress-fatigue relationship using various psychological and health related factors

<b>Dataset</b>: The dataset contains various measures to model predictors of fatigue including potential mediators and moderators of the stress-fatigue relationship. Factors included include: students' life events, perceived stress, trait anxiety, state anxiety, depression, lack of sleep quality, social support. illness, infection, non-clinical, psychological distress, and gastrointestinal symptoms. <br><b>Participants</b>: Non-clinical university students, 97 females and 40 males, aged 18-63 years.<br><b>From published abstract: </b><br><b>Results</b>: Fatigue severity was predicted (48% of the variance) by high perceived stress and state-anxiety, poor sleep quality and general illness symptoms. Poor sleep quality and gastrointestinal (GIT) symptoms partly mediated between stress and fatigue, and poor sleep quality partly mediated between psychological distress and fatigue. Social support quality moderated the stress – fatigue relationship. <br><b>Conclusions</b>: Stress and psychological distress may contribute to fatigue in healthy adults by first impairing sleep quality and/or increasing vulnerability to infection, which may then directly induce fatigue symptoms

<b>数据集</b>: 本数据集收录了用于建模疲劳预测因子的多维度测评指标，涵盖了压力与疲劳关联中的潜在中介变量（mediator）与调节变量（moderator）。纳入的考察因素包括：学生生活事件、感知压力、特质焦虑、状态焦虑、抑郁、睡眠质量低下、社会支持、疾病、感染、非临床状况、心理困扰及胃肠道症状。<br><b>研究对象</b>: 非临床在校大学生，其中女性97名，男性40名，年龄范围为18至63岁。<br><b>摘自已发表学术论文摘要：</b><br><b>研究结果</b>: 高感知压力、状态焦虑、睡眠质量低下以及一般性躯体疾病症状可显著预测疲劳严重程度，其方差解释率达48%。睡眠质量低下与胃肠道（gastrointestinal, GIT）症状在压力与疲劳之间发挥部分中介作用；睡眠质量低下亦在心理困扰与疲劳之间起到部分中介作用。社会支持质量对压力-疲劳的关联路径具有调节作用。<br><b>研究结论</b>: 对于健康成年人而言，压力与心理困扰可能首先通过损害睡眠质量，或提升感染易感性，进而直接诱发疲劳症状，最终促成疲劳的发生。