About: http://webisa.webdatacommons.org/258003192

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	Risk factors such as age and age at first sexual intercourse refer to the average characteristics within a couple.
http://www.w3.org/ns/prov#wasQuotedFrom	lww.com