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. 2010 Jun 14;10:56. doi: 10.1186/1471-2288-10-56

Figure 3.

Figure 3

a+b - Musculoskeletal symptoms. Proportion of employees with musculoskeletal symptoms above 30 days during the past year among a) consenters versus non-consenters and b) participants versus non-participants. † = p < 0.1, * = p < 0.05.