"I Could Do It in My Own Time and When I Really Needed It": Perceptions of Online Pain Coping Skills Training For People With Knee Osteoarthritis.

People with knee OA had generally positive experiences using an online PCST program, suggesting that online PCST is a broadly acceptable and accessible way to help people with OA to manage their pain. User engagement may be enhanced by redesigning some aspects of the program and by provision of support from a clinician.