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Abstract：
Recently, a COVID-19 virus variant spread rapidly in Guangzhou, China, causing public panic. This study aimed to understand the psychological and sleep-related consequences of the secondary outbreak of the pandemic on medical students. In this cross-sectional survey-based study, participants anonymously completed structured questionnaires online from June 8-22, 2021. We collected participants\' demographic and general information. Anxiety, depression, and sleep quality were measured using the Zung Self-Rating Anxiety Scale (SAS), Self-Rating Depression Scale (SDS), and Pittsburgh Sleep Quality Index (PSQI), respectively. Protective factors were assessed using the Coping Style Questionnaire (CSQ). Uni- and multivariate logistic regression analyses were performed examining factors associated with mental health and sleep quality problems. During the second wave of the pandemic in local outbreak areas in Guangzhou, China, more than one-third of medical students\' mental health and sleep quality were affected. The prevalence of anxiety, depression, and poor sleep quality were 27.54%, 27.58%, and 18.19%, respectively. Students belonging to the Class of 2019, aged over 29 years, those with siblings, and those whose hometowns were in other provinces were more prone to the three health problems. Factors associated with an increased risk of mental health problems were vaccination status (adjusted odds ratio 1.603-1.839) and diet status (adjusted odds ratio 1.62-1.929). Positive coping styles served as protective factors (p < 0.05). We discovered that completed vaccination status, good diet, and positive coping styles were related to good mental health and sleep quality.
摘要：
最近,一种COVID-19病毒变种在广州迅速传播，中国,引起公众恐慌。这项研究旨在了解大流行的二次爆发对医学生的心理和睡眠相关后果。在这项基于横断面调查的研究中，参与者于2021年6月8日至22日匿名在线填写结构化问卷。我们收集了参与者的人口统计和一般信息。焦虑,抑郁症,使用Zung焦虑自评量表（SAS）测量睡眠质量，抑郁自评量表(SDS),匹兹堡睡眠质量指数(PSQI)分别。使用应对方式问卷（CSQ）评估保护因素。进行了单因素和多因素逻辑回归分析，以检查与心理健康和睡眠质量问题相关的因素。在广州局部爆发地区的第二波大流行期间，中国,超过三分之一的医学生的心理健康和睡眠质量受到影响。焦虑的患病率，抑郁症,睡眠质量差的占27.54%，27.58%,18.19%，分别。2019届学生，年龄在29岁以上，那些有兄弟姐妹的人，家乡在其他省份的人更容易出现这三种健康问题。与心理健康问题风险增加相关的因素是疫苗接种状态（调整比值比1.603-1.839）和饮食状态（调整比值比1.62-1.929）。积极应对方式为保护因素(p<0.05)。我们发现完成疫苗接种状态，良好的饮食，积极的应对方式与良好的心理健康和睡眠质量有关。
