Assessing validity of a depression screening instrument in the absence of a gold standard.

@article{Gelaye2014AssessingVO,
  title={Assessing validity of a depression screening instrument in the absence of a gold standard.},
  author={Bizu Gelaye and Mahlet G. Tadesse and Michelle A. Williams and Jesse R. Fann and Ann Vander Stoep and Xiao-Hua Andrew Zhou},
  journal={Annals of epidemiology},
  year={2014},
  volume={24 7},
  pages={527-31}
}
PURPOSE We evaluated the extent to which use of a hypothesized imperfect gold standard, the Composite International Diagnostic Interview (CIDI), biases the estimates of diagnostic accuracy of the Patient Health Questionnaire-9 (PHQ-9). We also evaluate how statistical correction can be used to address this bias. METHODS The study was conducted among 926 adults where structured interviews were conducted to collect information about participants' current major depressive disorder using PHQ-9… CONTINUE READING