About: http://webisa.webdatacommons.org/17987244

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	Sociodemographic characteristics were considered as covariates, including age, sex, marital status, education, annual household income, employment status, and health insurance coverage status (in the United States).
http://www.w3.org/ns/prov#wasQuotedFrom	jamanetwork.com