Adjusted relative risks and 95% CI for total knee replacement (TKR) or hip replacement (THR) due to OA. Association between the four most commonly reported activities (walking bicycling, using stairs, and gardening), respectively, and TKR/THR. Walking was associated with a lower risk of THR.
Ageberg et al. BMC Musculoskeletal Disorders 2012 13:73 doi:10.1186/1471-2474-13-73