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Table 2 Principal component factor analysis for COVID-19 concern questionnaire (N = 161)

From: Do concerns about COVID-19 impair sustained attention?

Items Factor loading
1 2
1. I am worried about the coronavirus .92  
2. I am not concerned about the coronavirus .83  
3. I am worried that I or people I love will get sick from the coronavirus .79  
4. I am stressed around people outside of my household because I worry I'll catch the coronavirus .72  
5. I have tried hard to avoid people outside of my household because I don't want to get sick .65  
6. I am worried that the coronavirus will delay the treatment of other illnesses that I or people I love may have .35  
7. I am concerned about my job security due to the coronavirus   .73
8. I have lost job-related income due to the coronavirus   .63
Eigenvalues 3.25 1.00
% of variance 40.62 12.46