DSM depression and anxiety criteria and severity of symptoms in primary care: cross sectional study.

We thank Chris Bulpitt, Dee Jones, and Alistair Tulloch, co-investigators on the MRC trial of assessment and management of older people, and the nurses, GPs, the other staff and the patients in the participating practices: the MRC General Practice Research Framework Co-ordinating Centre (Madge Vickers, Jeannett Martin, and Nicky Fasey); the research team for the MRC trial of assessment and management of older people in the community; Elizabeth Breeze, Edmond Ng, Gill Price, Susan Stirling, Rakhi Kabiwala, and Janbibi Mazar at the London School of Hygiene and Tropical Medicine; Maria Nunes and Ruth Peters at Imperial College; Amina Latif and Elaine Stringer, University of Wales College of Medicine; the Trial Steering Committee (J Grimley Evans (chair), A Haines (previous chair), K Luker, C Brayne, M Vickers, M Drummond, L Davies, P Desai). Contributors: See bmj.com Funding: The nested trial of vision screening was funded by the MRC under the MRC and Department of Health joint initiative in primary healthcare research. TheMRC trial of the assessment and management of older people in the community was separately funded by the United Kingdom Medical Research Council, the Department of Health and the Scottish Office. LS was supported by a three year research fellowship from the NHS Executive Research and Development Directorate (Thames Region), and is now funded by an MRC Clinical Scientist Fellowship. Ethical approval: Ethical approval for all aspects of the study was obtained from relevant ethics committees both for the original trial and for the practices involved in the repeat vision assessment.