Out-of-pocket costs, primary care frequent attendance and sample selection : Estimates from a longitudinal cohort design

Acknowledgements: Thank you to the study participants, PATH Interviewers, Karen Maxwell and Trish Jacomb; and to the other PATH Chief Investigators: Kaarin Anstey, Helen Christensen, Anthony Jorm, Bryan Rodgers, Andrew Mackinnon, Simon Easteal and Nicolas Cherbuin. The PATH Through Life Study is funded by National Health and Medical Research Council Grants 973302, 179805 and 418039. Peter Butterworth is funded by ARC Future Fellowship FT13101444.Peer reviewedPostprin