Case-finding instruments for depression. Two questions are as good as many.

@article{Whooley1997CasefindingIF,
  title={Case-finding instruments for depression. Two questions are as good as many.},
  author={Mary A Whooley and Andrew L. Avins and Jeanne Miranda and Warren S. Browner},
  journal={Journal of general internal medicine},
  year={1997},
  volume={12 7},
  pages={439-45}
}
OBJECTIVE To determine the validity of a two-question case-finding instrument for depression as compared with six previously validated instruments. DESIGN The test characteristics of a two-question case-finding instrument that asks about depressed mood and anhedonia were compared with six common case-finding instruments, using the Quick Diagnostic… CONTINUE READING