About: http://webisa.webdatacommons.org/100762372

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	When outcome variables (had refractive error or not) were used in logistic regression, we analyzed the factors such as age, gender and school type affecting the prevalence of refractive errors.
http://www.w3.org/ns/prov#wasQuotedFrom	medsci.org