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. 2021 Feb 19;18(4):2011. doi: 10.3390/ijerph18042011

Table 2.

Summary of variables, survey questions, and measurements.

Survey Questions Measurement
Outcome Variables
Perceived Severity
(Cronbach α = 0.79)
I believe that COVID-19 is a deadly disease. 5-point scale where 1 = strongly disagree and 5 = strongly agree
I believe that COVID-19 can bring severe health problems.
I believe that COVID-19 is a serious threat to my health.
Preventive Actions
(Cronbach α = 0.76)
Clean hands often. 5-point scale where 1 = least likely and 5 = most likely
Wear a face mask outside.
Limit outdoor activities.
Avoid attending mass gathering.
Keep social distance with others.
Avoid close contact with people who are sick.
Independent Variable
Age Please select your age from the following choices. 1 = Generation Z (18–24)
2 = Generation Y (25–39)
3 = Generation X (40–54)
4 = Baby Boomers (55 and above)
Control Variables
Gender What’s your gender? 1 = male and 0 = female
Partisanship Generally speaking, do you usually think of yourself as a Republican, Democrat, independent, or what? 1 = Independent
2 = Republican
3 = Democrat
Ethnicity Which of the following best describes your racial/ethnic identity? 1 = White
2 = Non-white (i.e., African Americans)
Education What is the highest degree or level of education you have completed? 1 = less than high school diploma … and 7 = doctorate degree
Income What is your annual income? 1 = $20,000 or under … and 6 = $100,001 and higher
Location What is the state where you are living in? 1 = most affected states (NY, CA, FL, LA, IL, MA, MI, NJ, PA)
0 = less affected states (the other 41 states)
Personal
Relevance
Is there anyone you know (e.g., family members, friends, colleagues, acquaintances) who have confirmed or suspected COVID-19? 1 = yes
0 = no
COVID information
(Cronbach α = 0.83)
How much COVID-related information have you received from each of the following communication channels?
(Broadcast television news, Cable television news, Print newspapers, Radio, Online News, Facebook, Twitter, Friends and family).
5-point scale where 1 = not at all and 5 = a great deal