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. 2012 Mar 15;10:30. doi: 10.1186/1477-7525-10-30

Figure 2.

Figure 2

Impact of osteoarthritis (OA) among workers, by self-rated OA severity, on health-related quality of life relative to workers without OA. Values represent adjusted differences in scores among workers with each level of OA severity relative to workers without OA for the Physical (PCS) and Mental (MCS) Component summary scores on the SF-12v2 (A) and the SF-6 health utility index (B). Negative values represent poorer health-related quality of life. *p < 0.0001 and †p < 0.001 relative to workers without OA.