Table 5.

Machine learning analysis of survey questions associated with vaccine hesitancy.

Question	Mean Decrease Gini
How has your experience with COVID-19 changed your overall opinion on vaccinations?	8.2
Which best describes your primary role at work?	7.97
What is your age group?	5.86
What is your highest level of formal education?	4.58
Based on your overall experience how serious is COVID-19?	2.72
Where do you work?	2.35
How many children do you have?	2.16
What is your gender?	1.41
I worry that I cannot pay for the vaccine now or in the future	1.16
Are you Hispanic or Latino?	0.71