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Table 4 Pearson’s correlation coefficient between COVID-19 responses and CPT performance in Experiment 2. Skill index is calculated as No-go accuracy divided by Go RT

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

Variables Overall A’ Reduction in A’ across blocks Skill index No-go (mountain) accuracy Go (city) RT
Demographic ratings
1. Age .04 − .04 .02 .12 .23 *
2. Education − .10 .06 .15 − .09 .07
3. Income − .004 − .14 − .02 .02 .06
4. Political orientation − .09 .11 − .09 − .04 .10
5. Health status .08 − .02 .11 .10 .05
6. Financial wellbeing − .02 .12 .02 .02 .02
Concerns related to COVID-19
7. Health concern .01 − .09 − .01 − .02 − .05
8. Financial concern .01 − .003 .07 .04 − .04
9. Average of all eight items .09 − .11 .11 .08 − .03
Behavioral compliance
10. Social distancing .20 − .002 .21 .16 .04
11. Hygienic behavior .01 .07 − .01 − .01 .01
  1. In the correlation analysis between income and other variables, participants who chose the answer “I prefer not to answer this question” were excluded, leading to N = 197. All other analyses had N = 204. Only the following correlation reached Bonferroni adjusted alpha: participants with older age showed slower RT in go responses, Pearson’s r = .23, p = .0007. Boldface italics: p < .05 (uncorrected for multiple comparisons)