Table 2 Logistics of the AktiWeb study in patients with hip and/or knee osteoarthritis

 Proportion of eligible patients enrolled

71% (35/49)

 Proportion of patients providing valid accelerometer data at baseline assessment

86% (30/35)

 Proportion of patients completing maximal cardiorespiratory exercise test according to protocol at baseline assessment

51% (18/35)

 Proportion of patients returning exercise diary

77% (27/35)

 Received exercise diaries per patient (0–12), median (range)

11 (1–12)

 Proportion of enrolled patients providing data at 12-week follow-up assessments

63% (22/35)

 Time resources used on delivery of exercise programs and motivational messages, minutes per week/patient, mean (SD)

7.3 (1.1)

 Time resources used by peer-supporters, minutes per week/patient

0^a