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Zhiyuan Li,1 Dongmei Liu,1 Xiuping Liu,2 Hui Su,3 Song Bai1 1Department of Urology, Shengjing Hospital of China Medical University, Shenyang, People’s Republic of China; 2Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, People’s Republic of China; 3Department of Sleep Medical Center, Shengjing Hospital of China Medical University, Shenyang, People’s Republic of ChinaCorrespondence: Song Bai, Department of Urology, Shengjing Hospital of China Medical University, 36 Sanhao Street, Shenyang, Liaoning, 110004, People’s Republic of China, Tel +86-18940255568, Fax +86-024-83955092, Email baisongcmu81@163.comBackground: Long working hours are common among medical residents and may increase the risk of mental disorders. We aimed to investigate the association between experienced long working hours and depression, anxiety, and suicidal ideation among Chinese medical residents during the COVID-19 pandemic.Methods: This study was conducted in September 2022; 1343 residents from three center in Northeastern China were included in the final analysis (effective response rate: 87.61%). The data were collected from participants via online self-administered questionnaires. Depression and anxiety were measured by the Patient Health Questionnaire (PHQ-9) and the General Anxiety Disorder (GAD-7) scale, respectively. Adjusted odds ratios and 95% confidence intervals were determined after adjusting for potential confounders by binary unconditional logistic regression.Results: The effective response rate was 87.61%. Among the 1343 participants, 12.88% (173), 9.90% (133), and 9.68% (130) had experienced major depression, major anxiety, and suicidal ideation, respectively. We found that longer weekly worktime increased the risk of major depression, particularly in those who worked for more than 60 hours per week (≥ 61 hours vs ≤ 40 hours, OR=1.87, P for trend = 0.003). However, this trend was not observed for either major anxiety or suicidal ideation (P for trend > 0.05 for both).Conclusion: This study revealed that there was a considerable incidence of poor mental health among medical residents; furthermore, the longer weekly worktime was associated with a higher risk of major depression, especially for those who worked more than 60 hours per week, but this association was not observed in either major anxiety or suicidal ideation. This may help policymakers to develop targeted interventions.Keywords: long working hours, mental disorders, medical residents, depression, anxiety, COVID-19 |
