PropertyValue
nif:beginIndex
  • 0 (xsd:integer)
nif:broaderContext
nif:endIndex
  • 223 (xsd:integer)
nif:isString
  • The proportion of missing values ranged from 0.1% for “In the past one week, have you ever worried about catching influenza A/H1N1” to 10.1% “did you wash hands after sneezing, coughing or touching nose in the past 3 days”.
rdf:type