Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Initiation to heroin injecting among heroin users in Sydney, Australia: cross sectional survey | Harm Reduction Journal BioMed Central Research Open Access Initiation to heroin injecting among heroin users in Sydney Australia cross sectional survey Carolyn A Day 1 Joanne Ross1 Paul Dietze2 and Kate Dolan1 Address 1National Drug and Alcohol Research Centre University of New South Wales SYDNEY NSW 2052 Australia and 2Turning Point Alcohol and Drug Centre Inc. Deakin University School of Health and Social Development MELBOURNE VIC Australia Email Carolyn A Day - Joanne Ross - Paul Dietze - pauld@ Kate Dolan - Corresponding author Published 15 February 2005 Received 26 March 2004 Accepted 15 February 2005 Harm Reduction Journal 2005 2 2 doi 1477-7517-2-2 This article is available from http content 2 1 2 2005 Day 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 Heroin injection is associated with health and social problems including hepatitis C virus HCV transmission. Few studies have examined the circumstances surrounding initiation to heroin injecting especially current users initiating others. The current study aimed to examine the age of first heroin use and injection administration route of first heroin use relationship to initiator the initiation of others among a group of heroin users and to examine these factors in relation to HCV status and risk. Method Heroin users in Sydney were recruited through needle and syringe programs a methadone clinic and snowballing. Participants were interviewed about their own initiation to heroin use blood-borne virus risk and knowledge and whether they had initiated others to heroin injecting. Information on HCV status was collected via .