About: http://webisa.webdatacommons.org/280074354

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	We used categorical variables for sex and area of residence, and all continuous variables except age were normalized by log-transformation before statistical analysis.
http://www.w3.org/ns/prov#wasQuotedFrom	nih.gov