Table 1.

Assignment of physical proximity requirements to lockdown index

Question: To what extent does this job require the worker to perform
job tasks in close physical proximity to other people?
Answer	Score	Lockdown index (from this to next category’s score)
I do not work near other people (beyond 100 ft.)	0	0
I work with others but not closely (e.g., private office)	25	0
Slightly close (e.g., shared office)	50	0.5
Moderately close (at arm’s length)	75	1
Very close (near touching)	100	c1

This table lists the scores associated with different answers to the question about physical proximity requirements from O*NET (https://www.onetonline.org), along with our assignment of values for the lockdown index