Abstract: Objective To investigate the subhealth state and its influencing factors on medical staff in operating rooms in Henan Province, and to guide for improving the health level of medical staff in operating rooms in the region. Methods From August to October 2021, a convenient sampling method was used to select medical staff in operating rooms from 10 public hospitals in various prefecture-level cities and different levels in Henan Province as subjects to conduct a questionnaire survey on the subhealth state. The Sub-Health State Evaluation Questionnaire （SHSQ-25） was used to evaluate the subhealth state of medical staff in operating rooms. Univariate and multivariate analysis methods were used to analyze the influencing factors of the subhealth state of medical staff in operating rooms. Results Finally, 892 medical staff in operating rooms became effective respondents, 467 cases showed a subhealth state, and the incidence of a subhealth state was 52.35%. Multivariate Logistic regression analysis showed that age （OR＝3.224）, body mass index （BMI） ≥28.0 kg/m2 （OR＝1.522 ）, holding a post （OR＝1.358）, night shift frequency （OR＝1.531）, weekly working time （OR＝1.157 ）, physical exercise （OR＝0.693）, sleep time （OR＝0.441）, social support （OR＝0.242 ）, and negative coping style （OR＝2.565） were the influencing factors of the subhealth state of medical staff in operating rooms. Conclusions Medical staff in operating rooms in Henan Province with a greater incidence of subhealth state, which is affected by age, BMI, hospital level, position, night shift frequency, weekly working time, physical exercise, sleep time, social support, and coping style. Targeted intervention measures should be formulated according to the above factors to improve the health level of medical staff in the operating rooms.

Key words: Subhealth, Operating room, Medical staff, Influencing factor