Expert-Moderated Peer-to-Peer Online Support Group for People With Knee Osteoarthritis: Mixed Methods Randomized Controlled Pilot and Feasibility Study

Thorlene Egerton   ^{1, 2} , BPhty, MPhil, PhD ;   Belinda J Lawford   ¹ , BMSc, BHSc, PhD ;   Penny K Campbell   ¹ , BAppSc ;   Melanie L Plinsinga   ³ , BSc, MSc, PhD ;   Libby Spiers   ¹ , BPhty ;   David A Mackenzie   ¹ , BSc, MPT ;   Bridget Graham   ¹ , DPT ;   Kathryn Mills   ⁴ , BPhty, PhD ;   Jillian Eyles   ⁵ , BAppSc, PhD ;   Gabrielle Knox   ¹ , BAppSc ;   Ben Metcalf   ¹ , BSc ;   Liam R Maclachlan   ^{6, 7} , PhD ;   Manuela Besomi   ⁷ , BPhty, MSc, PhD ;   Chris Dickson   ⁸ , BA ;   Charles Abraham   ⁹ , BA, DPhil, CPsychol ;   Bill Vicenzino   ⁷ , BPhty, MSc, PhD ;   Paul W Hodges   ⁷ , BPhty, PhD, MedDr, DSc ;   David J Hunter   ⁷ , MBBS, MSpMed, MSc, PhD ;   Kim L Bennell   ¹ , BAppSc, PhD

¹ Centre for Health, Exercise & Sports Medicine, The University of Melbourne, Melbourne, Australia

² Physiotherapy Department, The University of Melbourne, Melbourne, Australia

³ Menzies Health Institute Queensland, Griffith University, Brisbane, Australia

⁴ Discipline of Physiotherapy, Macquarie University, Sydney, Australia

⁵ Institute of Bone and Joint Research, Kolling Institute of Medical Research, Faculty of Medicine and Health, The University of Sydney, Sydney, Australia

⁶ Kenneth G. Jamieson Department of Neurosurgery, Royal Brisbane and Women’s Hospital, Brisbane, Australia

⁷ School of Health and Rehabilitation Sciences, The University of Queensland, Brisbane, Australia

⁸ Department of Integrative Medicine and Supportive Care, Chris O’Brien Lifehouse, Sydney, Australia

⁹ School of Psychology, Deakin University, Geelong, Australia