Appendix Table 5.

Bivariable Sensitivity Analysis Using Alternative Dichotomization Thresholds for Response Variable: Intention to Receive COVID-19 Within 1 Month (Rather Than 3 Months) of Regulatory Approval

VariablecOR (95% CI)P ValueSignificance*
Age, decades1.05 (0.99-1.10).079
Men2.23 (1.89-2.64)<.001***
Influenza vaccine2.44 (1.76-3.46)<.001***
Viral concern§1.95 (1.69-2.25)<.001***
Patient interaction1.17 (1.01–1.34).034*
Higher education1.54 (1.33-1.77)<.001***
Poor health**0.85 (0.71–1.01).063
Alternative viral concern††2.63 (2.18-3.18)<.001***
Alternative higher education‡‡1.82 (1.46-2.28)<.001***
Alternative poor health§§0.78 (0.50–1.19).259
  • cOR, crude odds ratio; CI, confidence interval.

  • * Significance (* P < .05, ** P < .01, *** P < .001).

  • Self-reported gender.

  • Completion of influenza vaccination in the 2019-2020 season.

  • § “Extremely concerned” or “moderately concerned” about becoming infected with COVID-19 on a 5-point Likert scale.

  • Job responsibility involving direct patient interaction.

  • Master's degree or Doctorate.

  • ** Reporting anything other than “Excellent” or “Very Good” health on a 5-point Likert scale.

  • †† “Extremely concerned”, “moderately concerned”, or “somewhat concerned” about becoming infected with COVID-19 on a 5-point Likert scale.

  • ‡‡ College graduate, Master's degree, or Doctorate/Professional degree.

  • §§ Reporting anything other than “Excellent”, “Very Good”, or “Good” health on a 5-point Likert scale.