About: http://webisa.webdatacommons.org/409704429

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 percentage of childlessness, the part played by religion, the relation of family size to rental value and educational attainment and other factors were included.
http://www.w3.org/ns/prov#wasQuotedFrom	jamanetwork.com