Figure 1.

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
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