2.1. Participants

The data presented in this article were collected from 917 participants (we first recruited a total of 932 participants and deleted the cases whose friends or families were infected by coronavirus) during the outbreak of COVID-19 in China. Among them, there were 304 males and 613 females, with an average age of 28.6 and a standard deviation of 9.5. The locations of participants were shown in Fig. 1 [3]. In this data set, some demographic information such as age, gender, marital status, educational level and so on were deleted for confidentiality.

The specific locations of the participants.