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Table 1 List of variables for public perception and preventive behaviors in this study (compared with the questions and values in) and the original questionnaire

From: Public perceptions, individual characteristics, and preventive behaviors for COVID-19 in six countries: a cross-sectional study

Variable name in this study Original survey question Values in the original survey Values in this study
Perceived susceptibility What do you think is the probability that you are or have been infected with COVID-19? Probability in percentage points % (integers 0–100) Same as questionnaire
Perceived severity What do you think is the probability that an infected person develops a serious illness that requires hospitalization? Probability in percentage points % (integers 0–100) Same as questionnaire
  How effective do you believe each of these measures is in reducing the spread of the epidemic?   
Perceived effectiveness of wearing a mask Requiring masks to be worn outside by everyone 1 = Not effective at all, 2 = Slightly effective, 3 = Moderately effective, 4 = Very effective, 5 = Extremely effective Same as questionnaire
Perceived effectiveness of handwashing Hand washing
Perceived effectiveness of avoiding social gatherings Forbidding mass gatherings
  For each of the following behaviors, please tell us how often you engaged in them NOW   
Wearing a mask Wear a mask 1 = Never, 2 = Rarely, 3 = Sometimes, 4 = Very often, 5 = Always 1 or 2: NOT taking preventive behaviors
3, 4, or 5: taking preventive behaviors
Handwashing Wash your hands with water and soap, or use hand sanitizer
Avoiding social gatherings Participate in a social gathering with more than 20 people
  1. aThe detail information of this questionnaire is available in https://osf.io/3pxkr/