PropertyValue
nif:beginIndex
  • 0 (xsd:integer)
nif:broaderContext
nif:endIndex
  • 221 (xsd:integer)
nif:isString
  • Each question in the PHQ-9 is answered using a 4-point scale ranging from 0 (never) to 3 (nearly every day), for a total score ranging from 0 to 27; higher scores indicate a higher likelihood of major depressive disorder.
rdf:type