<http://webisa.webdatacommons.org/358579684>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/433457975>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/358579684> .
<http://webisa.webdatacommons.org/358579684>	<http://www.w3.org/ns/prov#value>	"Background: Attrition, or dropout, is a problem faced by many online health interventions, potentially threatening the inferential value of online randomized controlled trials." .
<http://webisa.webdatacommons.org/358579684>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<umich.edu> .