Table 2.
Overview of variables.
| Latent Variables | Codes of observed variables | Survey instrument statements |
|---|---|---|
| Safe Protection | SP1 | You are familiar with the standard protocol for prevention and control of COVID-19. |
| SP2 | You have a good understanding of the protective equipment and requirements for the prevention and control of COVID-19. | |
| SP3 | You are satisfied with the work of relevant government departments or units on the prevention and control of COVID-19, such as safety promotion and protection, and guidance. | |
| SP4 | You attach great importance to infection in the prevention and control of COVID-19. | |
| SP5 | You know how to take timely measures if you are at a risk of getting infected and exposed to COVID-19. | |
| SP6 | You will actively participate in the operational training of epidemic prevention and control knowledge. | |
| SP7 | You will tell your family how to strengthen the prevention and control of COVID-19. | |
| SP8 | You will investigate the potential transmission hazards of COVID-19 in the surrounding environment. | |
| Epidemic severity in hospital | ESH1 | You consider the intensity of exposure in hospital is relatively high. |
| ESH2 | You think the probability of virus infection in hospital is relatively high. | |
| ESH3 | You think the rate of increase of confirmed cases in hospital is relatively fast | |
| Self-risk perception | RP1 | You think it will have a greater impact on your life if you are infected with COVID-19. |
| RP2 | You will get scared if you are infected with COVID-19. | |
| RP3 | You think it will take a long time to get back to your normal life if you are infected with COVID-19. | |
| Social Identity | SI1 | You are satisfied with the remuneration of the medical workers involved in the epidemic prevention and control. |
| SI2 | You can feel the social admiration for the medical staff involved in prevention and control of the epidemic | |
| SI3 | You will continue to be a doctor if you have the opportunity to choose your career again. | |
| SI4 | You will be very happy to hear the praise for the medical staff involved in prevention and control of the epidemic | |
| Work Intensity | WI1 | You worked for a long time on average every day (over 8 h) during your participation in the epidemic prevention and control. |
| WI2 | You feel very tired after work every day when you participate in prevention and control of the epidemic | |
| WI3 | You spend very little time on leisure activities during the epidemic prevention and control (less than 1 h per day on average). | |
| WI4 | You have a large number of patients involved in the prevention and control of the epidemic. | |
| WI5 | You have a lot of bed-occupied days in your participation in epidemic prevention and control. | |
| Psychological health | PH1 | You have difficulty falling asleep and sleeping peacefully during the anti-epidemic period. |
| PH2 | You are always afraid of something terrible will happen during the anti-epidemic period. | |
| PH3 | You cannot feel the support of the society or the care of your family during the anti-epidemic period, | |
| PH4 | You can't help washing your hands repeatedly during the anti-epidemic period. | |
| PH5 | You always feel depressed or desperate during the anti-epidemic period. |