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. Author manuscript; available in PMC: 2014 Jul 1.
Published in final edited form as: Med Sci Sports Exerc. 2013 Jul;45(7):1292–1297. doi: 10.1249/MSS.0b013e3182885f26

Figure 1.

Figure 1

Reduction in the risks for incident OA and hip replacement per METhr/d run, adjusted for age, sex, education, hormone use in women, and meat intake. Energy expenditure (X-axis) is categorized in terms of the upper limit of the minimum recommended physical activity levels (750 METmin/wk=1.8 METhr/d), e.g., 1 to 2-fold higher activity covers from 1.8 to 3.6 METhr/d, etc. Error bars represent 95% confidence intervals. Significant levels relative to the least active runners coded: * P<0.05; † P<0.01, and ‡ P=0.002.