Tuyển tập các báo cáo nghiên cứu về sinh học được đăng trên tạp chí hóa học quốc tế đề tài :Quality of life of Australian chronically-ill adults: patient and practice characteristics matter | Health and Quality of Life Outcomes BioMed Central Open Access Quality of life of Australian chronically-ill adults patient and practice characteristics matter Upali W Jayasinghe 1 Judith Proudfoot1 Christopher A Barton2 Cheryl Amoroso1 Chris Holton2 Gawaine Powell Davies1 Justin Beilby3 and Mark F Harris1 Address 1Centre for Primary Health Care and Equity School of Public Health Community Medicine University of New South Wales Sydney New South Wales Australia 2Discipline of General Practice University of Adelaide Adelaide South Australia Australia and 3Faculty of Health Sciences University of Adelaide Adelaide South Australia Australia Email Upali W Jayasinghe - Judith Proudfoot - Christopher A Barton - Cheryl Amoroso - Chris Holton - Gawaine Powell Davies - Justin Beilby - Mark F Harris - Corresponding author Published 3 June 2009 Received 15 January 2009 Health and Quality of Life Outcomes 2009 7 50 doi 1477-7525-7-50 Accepted 3 June 2009 This article is available from http content 7 1 50 2009 Jayasinghe 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 To study health-related quality of life HRQOL in a large sample of Australian chronically-ill patients and investigate the impact of characteristics of patients and their general practices on their HRQOL and to assess the construct validity of SF-12 in Australia. Methods Cross sectional study with 96 general practices and 7606 chronically-ill patients aged 18 years or more using standard SF-12 version 2. Factor