Table 5

Absolute risk difference for kOA from exposure to a higher BMI, manual occupation and combination at 53y
Men Women
Non-manual Manual Non-manual Manual
% (95% CI) % (95% CI) % (95% CI) % (95% CI)
BMI (z-score) 0 Reference + 6.6 (2.0,14.6) Reference + 8.8 (6.1,12.7)
+1 +3.0 (1.0,5.3) + 11.8 (4.1,22.7) +9.2 (6.8,16.8) + 21.7 (12.2,32.8)

Absolute risk difference represented as % (95% CI); based on baseline risk of 7.5% and 12.8% in men and women respectively (see Table 1). Adjusted model based estimates (logistic); adjusted for potential confounders - education at 26y, income at 53y, childhood social class, family history of arthritis, history of knee injury and health status at 53y.

Martin et al.

Martin et al. BMC Musculoskeletal Disorders 2013 14:219   doi:10.1186/1471-2474-14-219

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