About: http://webisa.webdatacommons.org/61732097

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 researchers controlled for such factors as education levels, alcohol consumption and use of other drugs.
http://www.w3.org/ns/prov#wasQuotedFrom	journalistsresource.org