Multivariable logistic regression analysis was performed to identify factors associated with mental health outcomes. Main Outcomes and Measures The degree of symptoms of depression, anxiety, insomnia, and distress was assessed by the Chinese versions of the 9-item Patient Health Questionnaire, the 7-item Generalized Anxiety Disorder scale, the 7-item Insomnia Severity Index, and the 22-item Impact of Event Scale–Revised, respectively. Health care workers in hospitals equipped with fever clinics or wards for patients with COVID-19 were eligible. Objective To assess the magnitude of mental health outcomes and associated factors among health care workers treating patients exposed to COVID-19 in China.ĭesign, Settings, and Participants This cross-sectional, survey-based, region-stratified study collected demographic data and mental health measurements from 1257 health care workers in 34 hospitals from January 29, 2020, to February 3, 2020, in China. Importance Health care workers exposed to coronavirus disease 2019 (COVID-19) could be psychologically stressed. However, international studies do suggest to use the cut-off value of 10 or more for depression. Moreover, the study that has been cited at 10 in references says that the cut-off for PHQ-9 is suggested to be 11 in Chinese population instead of 10. I think the ranges mentioned in categories needs some correction because the range of 22 to 27 is not falling in any category. At the start of this paragraph, the range of possible PHQ-9 scores is mentioned as 0-27. In methods section, the outcome variable of depression is assessed using PHQ-9 and the scores are mentioned as normal (0-4), mild (5-9), moderate (10-14), and severe (15-21) depression. I suggest that the sample must have been assessed for all outcomes that have been assessed not merely stress. On the contrary, the current study is assessing the stress level of participant immediately after the surge of COVID19 pandemic. The sample size calculated for this study has used the estimates of stress one year after SARS epidemic. This is an amazing piece of evidence for other countries to assess status of mental health for their front-line health care workers as well as general population.
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