Fig. 3

Estimated walking speed (m/s) and chair stands (s) over the 12-year follow-up by levels of Mediterranean diet adherence and physical activity (N = 1686). Low and high levels of adherence to Mediterranean diet categorized according to the median of the distribution, and low (i.e., inadequate and health-enhancing) and high (i.e., fitness-enhancing) levels of physical activity according to official recommendation, as described in the methods. MD: Mediterranean diet; PA: physical activity