About: http://webisa.webdatacommons.org/216769694

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The independent variables were site characteristics, type of treatment, and a dummy variable to indicate whether it was a before or after condition.
http://www.w3.org/ns/prov#wasQuotedFrom	dot.gov