Adjusted relationships of quartiles of immunoglobulin M to metabolic syndrome (males, n = 5,673)a.

aBMI, body mass index; HDL, high-density lipoprotein-cholesterol.bMultiple logistic regression analysis.cAdjusted odds ratios (95% confidence interval) (all such values).dAdjusted for age, BMI, smoking status, drinking status, and family history of cardiovascular disease, hypertension, hyperlipidemia, and diabetes.eAdjusted for age, BMI, smoking status, drinking status, and family history of cardiovascular disease, hypertension, hyperlipidemia, and diabetes, and immunoglobulin A, and G.