tailieunhanh - Health and Quality of Life Outcomes BioMed Central Research Open Access +Psychometric evaluation

Health and Quality of Life Outcomes BioMed Central Research Open Access +Psychometric evaluation of the MacDQoL individualised measure of the impact of macular degeneration on quality of life Jan Mitchell*1, James S Wolffsohn2, Alison Woodcock1, Stephen J Anderson2, Carolyn V McMillan1, Timothy ffytche3, Martin Rubinstein4, Winfried Amoaku4 and Clare Bradley1 Address: 1Department of Psychology, Royal Holloway, University of London, Egham, Surrey, TW20 0EX, UK, 2Neurosciences Research Institute, Aston University, Birmingham, B4 7ET, UK, 3Hospital for Tropical Diseases, Capper Street, London WC1E 6AU, UK and 4Eye Department, Queen's Medical Centre, Derby Road, Nottingham, NG7 2UH, UK Email: Jan Mitchell* - ; James S Wolffsohn - ; Alison. | BioMed Central Health and Quality of Life Outcomes Research Open Access Psychometric evaluation of the MacDQoL individualised measure of the impact of macular degeneration on quality of life Jan Mitchell 1 James S Wolffsohn2 Alison Woodcock1 Stephen J Anderson2 Carolyn V McMillan1 Timothy ffytche3 Martin Rubinstein4 Winfried Amoaku4 and Clare Bradley1 Address Department of Psychology Royal Holloway University of London Egham Surrey TW20 0EX UK 2Neurosciences Research Institute Aston University Birmingham B4 7ET UK 3Hospital for Tropical Diseases Capper Street London WC1E 6AU UK and 4Eye Department Queen s Medical Centre Derby Road Nottingham NG7 2UH UK Email Jan Mitchell - James S Wolffsohn - Alison Woodcock - Stephen J Anderson - Carolyn V McMillan - Timothy ffytche - Martin Rubinstein - Clare Bradley - Corresponding author Published 14 April 2005 Received 06 October 2004 Health and Quality of Life Outcomes 2005 3 25 doi 1477-7525-3-25 Accepted 14 April 2005 This article is available from http content 3 1 25 2005 Mitchell et al licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License http licenses by which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Abstract Background The MacDQoL is an individualised measure of the impact of macular degeneration MD on quality of life QoL . There is preliminary evidence of its psychometric properties and sensitivity to severity of MD. The aim of this study was to carry out further psychometric evaluation with a larger sample and investigate the measure s sensitivity to MD severity. Methods Patients with