Body mass index, occupational activity, and leisure-time physical activity: an exploration of risk factors and modifiers for knee osteoarthritis in the 1946 British birth cohort

Table 5 Absolute risk difference for kOA from exposure to a higher BMI, manual occupation and combination at 53y ^†

^†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.

ISSN: 1471-2474