Table 8. Descriptive statistics for variables which were retained in the multi-variable regression model for the possible persistent foot score subpopulation.

	Possible Persistent Foot Population
Variable	N	Mean	Std Dev
Age	64	36.1	10.8
Space Experience, Night (per 500 ft2]	64	36.6	64.2
Percent Time In/Out Choice, Day	64	9.7	17.3
Percent Time on Hard Substrate	64	12.7	15.5