Lo TKT, Parkinson L, Cunich M, Byles J. Factors associated with the healthcare cost of arthritis Page 1 of 22 Original article Factors associated with the healthcare cost in older Australian women with arthritis: an application of the Andersen’s Behavioural Model of Health Services Use Lo TKT a , MClinEpi PhD Parkinson L b , BSc(Hons) PhD Cunich M c,d , BEc PhD Byles J a , BMed PhD a Research Centre for Gender, Health and Ageing, The University of Newcastle, Callaghan NSW 2308, Australia b Central Queensland University, School of Human Health and Social Sciences, Rockhampton QLD 4701, Australia c Faculty of Pharmacy, Charles Perkins Centre, The University of Sydney, Camperdown NSW 2006, Australia d School of Medicine and Public Health, Faculty of Health and Medicine, The University of Newcastle, Callaghan NSW 2308, Australia Address for correspondence: Dr. Thomas Lo Research Centre for Gender, Health and Ageing, HMRI C/- University Drive University of Newcastle Callaghan, NSW 2308 Australia Telephone: +61 2 4042 0669 Fax: +61 2 4042 0044 Email: thomas.lo@uon.edu.au Short title: Factors associated with the healthcare cost of arthritis