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Background: Public health workers at Chinese Center for Disease Control and Prevention (China CDC) and primary health care institutes (PHI) constitute one of the main workforces for implementing prevention and control measures to contain the COVID-19 epidemic, but their efforts and health status have not been well documented. We aimed to investigate the working conditions and health status of frontline public health workers in China during the epidemic. Methods: Between February 18 to March 1, 2020, we conducted a cross-sectional survey among 2,313 CDC workers and 4,004 PHI workers in five provinces across China experiencing different scales of COVID-19 epidemic. We interviewed all participants about their work conditions, roles, burdens, perceptions, mental health, and self-rated health using a self-constructed questionnaire and standardized measurements (i.e., Patient Health Questionnaire and General Anxiety Disorder scale). To examine the independent associations between working conditions and health outcomes, we used multivariate regression models controlling for potential confounders. Results: The prevalence of depression, anxiety, and poor self-rated health was 21.3%, 19.0%, and 9.8%, respectively, among public health workers (27.1%, 20.6% and 15.0% among CDC workers; and 17.5%, 17.9% and 6.8% among PHI workers). The majority (71.6%) participated in both field and non-field work and gave immense efforts. Nearly 20.0% have worked all night for more than 3 days and 45.3% had worked during the whole period of Chinese New Year. Three risk factors and two protective factors were found independently associated with all three health outcomes in our final multivariate models, including working all night for >3 days (ORm=1.67~1.75, pConclusions: Chinese public health workers gave immense efforts and personal sacrifices to curb the COVID-19 epidemic and were exposed to risk of mental health problems. Efforts should be taken to improve the working condition and health status of public health workers to maintain the morale and effectiveness of public health workers in the fight against the epidemic. |
