Figure 3.

Adjusted mean visual analog scale pain scores over time by gender and study group. After adjusting for covariates, the community controls have more pain over time; however, female controls have the greatest self-reported pain, with female and male controls reporting significantly more pain than either female runners (p = 0.0048) or male runners (p = 0.004).

Bruce et al. Arthritis Research & Therapy 2005 7:R1263-R1270   doi:10.1186/ar1825
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