Incidence of each metabolic syndrome component among subjects initially free of its respective component according to baseline sex–adjusted leukocyte counts. Odds ratios (95% confidence intervals).

aP-value = χ2 test; b P for trend; c Logistic regression models adjusted for intervention group, and baseline variables: age, current and former smoker, physical activity, Mediterranean diet score and alcohol; d Logistic regression model adjusted for model 1 plus baseline BMI and recruitment node.