Defining successful treatment outcome in depression using the PHQ-9: a comparison of methods.

[1]  Richard Layard,et al.  Improving access to psychological therapy: Initial evaluation of two UK demonstration sites , 2009, Behaviour research and therapy.

[2]  J. Crawford,et al.  Psychometric comparison of PHQ-9 and HADS for measuring depression severity in primary care. , 2008, The British journal of general practice : the journal of the Royal College of General Practitioners.

[3]  K. Vickers,et al.  A system-based approach to depression management in primary care using the Patient Health Questionnaire-9. , 2007, Mayo Clinic proceedings.

[4]  P. Bower,et al.  Collaborative care for depression in UK primary care: a randomized controlled trial , 2007, Psychological Medicine.

[5]  K. Kroenke,et al.  Concordance between the PHQ-9 and the HSCL-20 in depressed primary care patients. , 2007, Journal of affective disorders.

[6]  R. Spitzer,et al.  The PHQ-9 , 2001, Journal of General Internal Medicine.

[7]  J. Unützer,et al.  Monitoring Depression Treatment Outcomes With the Patient Health Questionnaire-9 , 2004, Medical care.

[8]  B. Löwe,et al.  Measuring depression outcome with a brief self-report instrument: sensitivity to change of the Patient Health Questionnaire (PHQ-9). , 2004, Journal of affective disorders.

[9]  M. Keller,et al.  Past, present, and future directions for defining optimal treatment outcome in depression: remission and beyond. , 2003, JAMA.

[10]  M. Antony,et al.  Handbook of assessment and treatment planning for psychological disorders. , 2002 .

[11]  B. Ogles,et al.  Clinical significance: history, application, and current practice. , 2001, Clinical psychology review.

[12]  Allan Donner,et al.  Methods in health service research: Evaluation of health interventions at area and organisation level , 1999 .

[13]  M. Barkham,et al.  The contribution of reliable and clinically significant change methods to evidence-based mental health , 1998 .

[14]  R Ramana,et al.  Residual symptoms after partial remission: an important outcome in depression , 1995, Psychological Medicine.

[15]  M. First,et al.  The Structured Clinical Interview for DSM-III-R (SCID). I: History, rationale, and description. , 1992, Archives of general psychiatry.

[16]  D J Kupfer,et al.  Conceptualization and rationale for consensus definitions of terms in major depressive disorder. Remission, recovery, relapse, and recurrence. , 1991, Archives of general psychiatry.

[17]  N. Jacobson,et al.  Clinical significance: a statistical approach to defining meaningful change in psychotherapy research. , 1991, Journal of consulting and clinical psychology.

[18]  Douglas G. Altman,et al.  Practical statistics for medical research , 1990 .

[19]  A. Beck,et al.  Psychometric properties of the Beck Depression Inventory: Twenty-five years of evaluation , 1988 .

[20]  H. White.  A Heteroskedasticity-Consistent Covariance Matrix Estimator and a Direct Test for Heteroskedasticity , 1980 .

[21]  A. Beck,et al.  An inventory for measuring depression. , 1961, Archives of general psychiatry.

[22]  M. Hamilton.  A RATING SCALE FOR DEPRESSION , 1960, Journal of neurology, neurosurgery, and psychiatry.