TY - JOUR AU - A. M. Bauer AU - V. Azzone AU - H. H. Goldman AU - L. Alexander AU - J. Unutzer AU - B. Coleman-Beattie AU - R. G. Frank A1 - AB - Objective: This study evaluated a large demonstration project of collaborative care of depression at community health centers by examining the role of clinic site on two measures of quality care (early follow-up and appropriate pharmacotherapy) and on improvement of symptoms (score on Patient Health Questionnaire-9 reduced by 50% or