Barkham, M, Margison, F, Leach, C, Lucock, M, Mellor-Clark, J, Evans, C, Benson, L, Connell, J, Audin, K, McGrath, G (2001). Service profiling and outcomes benchmarking using the CORE-OM: towards practice-based evidence in the psychological therapies. Journal of Consulting and Clinical Psychology 69, 184–196.
Blanchard, M, Waterreus, A, Mann, A (1995). The effect of primary care nurse intervention upon older people screened as depressed. International Journal of Geriatric Psychiatry 10, 289–298.
Bower, P, Gilbody, S (2005). Managing common mental health disorders in primary care: conceptual models and evidence base. British Medical Journal 330, 839–842.
Campbell, M, Fitzpatrick, R, Haines, A, Kinmonth, AL, Sandercock, P, Spiegelhalter, D, Tyrer, P (2000). Framework for design and evaluation of complex interventions to improve health. British Medical Journal 321, 694–696.
Cohen, J (1988). Statistical Power Analysis for the Behavioral Sciences. Erlbaum: Hillsdale, NJ.
Cuijpers, P, van Straten, A, Warmerdam, L (2007). Behavioural activation treatments of depression: a meta analysis. Clinical Psychology Review 27, 318–326.
Dimidjian, S, Hollon, S, Dobson, K, Schmaling, KB, Kohlenberg, RJ, Addis, ME, Gallo, R, McGlinchey, JB, Markley, DK, Gollan, JK, Atkins, DC, Dunne, DL, Jacobson, NS (2006). Randomized trial of behavioural activation, cognitive therapy, and antidepressant medication in the acute treatment of adults with major depression. Journal of Consulting and Clinical Psychology 74, 658–670.
Gensichen, J, Beyer, M, Muth, C, Gerlach, FM, Von Korff, M, Ormel, J (2005). Case management to improve major depression in primary health care: a systematic review. Psychological Medicine 36, 7–14.
Gilbody, S, Bower, P, Fletcher, J, Richards, DA, Sutton, A (2006). Collaborative care for depression: a systematic review and cumulative meta-analysis. Archives of Internal Medicine 166, 2314–2321.
Gilbody, S, Whitty, P, Grimshaw, J, Thomas, R (2003). Educational and organizational interventions to improve the management of depression in primary care: a systematic review. Journal of the American Medical Association 289, 3145–3151.
Gunn, J, Diggens, J, Hegarty, K, Blashki, G (2006). A systematic review of complex system interventions designed to increase recovery from depression in primary care. BMC Health Services Research 6, 88.
Jacobson, N, Dobson, K, Traux, P, Addis, ME, Koerner, K, Gollan, JK, Gortner, E, Prince, SE (1996). A component analysis of cognitive-behavioural treatment of depression. Journal of Consulting and Clinical Psychology 64, 295–304.
Katon, W, Von Korff, M, Lin, E, Simon, G, Walker, E, Unützer, J, Bush, T, Russo, J, Ludman, E (1999). Stepped collaborative care for primary care patients with persistent symptoms of depression: a randomized trial. Archives of General Psychiatry 56, 1109–1115.
Killaspy, H, Bebbington, P, Blizard, R, Johnson, S, McCrone, P, Nolan, F, Pilling, S, King, M (2005). The REACT study: a Randomised Evaluation of Assertive Community Treatment in North London. British Medical Journal 331, 599–604.
Kroenke, K, Spitzer, RL, Williams, JB (2001). The PHQ-9: validity of a brief depression severity measure. Journal of General Internal Medicine 16, 606–613.
Layard, R (2006). The case for psychological treatment centres. British Medical Journal 332, 1030–1032.
Lipsey, M, Wilson, D (2001). Practical Meta-Analysis. Sage: New York.
Mann, A, Blizard, R, Murray, J, Smith, JA, Botega, N, MacDonald, E, Wilkinson, G (1998). An evaluation of practice nurses working with general practitioners to treat people with depression. British Journal of General Practice 48, 875–879.
Martell, CR, Addis, ME, Jacobson, NS (2001). Depression in Context: Strategies for Guided Action. Norton: New York.
MRC (2000). A Framework for Development and Evaluation of RCTs for Complex Interventions to Improve Health. Medical Research Council: London.
National Institute for Health and Clinical Excellence (2004). Depression: Management of Depression in Primary and Secondary Care (Clinical guideline 23). NICE: London.
Peveler, R, George, C, Kinmonth, A, Campbell, M, Thompson, C (1999). Effect of antidepressant drug counselling and information leaflets on adherence to drug treatment in primary care: randomised controlled trial. British Medical Journal 319, 612–615.
Richards, DA, Barkham, M, Bower, P, Gask, L, Gilbody, S, Lovell, K, Rogers, A, Torgerson, D, Escott, D, Fletcher, J, Hennessy, S, Kendall, S, Lankshear, AJ, Richardson, R, Simpson, A (2006 b). A Trial Platform of Enhanced Care for Depression in Primary Care: Final Report. University of York: York.
Richards, DA, Lankshear, AJ, Fletcher, J, Rogers, A, Barkham, M, Bower, P, Gask, L, Gilbody, S, Lovell, K (2006 a). Developing a UK protocol for collaborative care: a qualitative study. General Hospital Psychiatry 28, 296–305.
Simon, G (2006). Collaborative care for depression. British Medical Journal 332, 249–250.
Singleton, N, Bumpstead, R, O'Brien, M, Lee, A, Meltzer, HY (2001). Office of National Statistics: Psychiatric Morbidity Among Adults Living in Private Households. HMSO: London.
Spitzer, RL, Williams, JB, Gibbon, M, First, MB (1992). The Structured Clinical Interview for DSM-III-R (SCID). I: History, rationale, and description. Archives of General Psychiatry 49, 624–629.
Ukoumunne, OC, Gulliford, MC, Chinn, S, Sterne, JA, Burney, PG, Donner, A (1999). Methods in health service research. Evaluation of health interventions at area and organisation level. British Medical Journal 319, 376–379.
Unutzer, J, Katon, W, Callahan, CM, Williams, Jr. JW, Hunkeler, E, Harpole, L, Hoffing, M, Della, Penna RD, Noel, PH, Lin, EH, Arean, PA, Hegel, MT, Tang, L, Belin, TR, Oishi, S, Langston, C, IMPACT Investigators (2002). Collaborative care management of late-life depression in the primary care setting: a randomized controlled trial. Journal of the American Medical Association 288, 2836–2845.
Von Korff, M, Goldberg, D (2001). Improving outcomes in depression. British Medical Journal 323, 948–949.
Wagner, EH, Austin, BT & Von Korff, M (1996). Organizing care for patients with chronic illness. Milbank Quarterly 74, 511–544.
Ware, JE, Kosinski, M, Dewey, JE (2000). How to Score Version Two of the SF-36 Health Survey. Quality Metric Incorporated: Lincoln, RI.
Wells, KB, Sherbourne, C, Schoenbaum, M, Duan, N, Meredith, L, Unutzer, J, Miranda, J, Carney, MF, Rubenstein, LV (2000). Impact of disseminating quality improvement programs for depression in managed primary care: a randomized controlled trial. Journal of the American Medical Association 283, 212–220.
White, H (1980). A heteroskedasticity-consistent covariance matrix estimator and a direct test for heteroskedasticity. Econometrica 48, 817–838.
Wilkinson, G, Allen, P, Marshall, E, Walker, J, Browne, W, Mann, AH (1993). The role of the practice nurse in the management of depression in general practice: treatment adherence to antidepressant medication. Psychological Medicine 23, 229–237.
WHO (2001). The World Health Report 2001: Mental Health: New Understanding, New Hope. World Health Organisation: Geneva.