About: http://webisa.webdatacommons.org/277992310

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	Demographic information, including age, education, income, and others will be measured
http://www.w3.org/ns/prov#wasQuotedFrom	biomedcentral.com