Male participant characteristics by quartiles of immunoglobulin M (n = 5,673)a.

aBMI, body mass index; TC, total cholesterol; TG, triglycerides; LDL, low density lipoprotein cholesterol; HDL, high-density lipoprotein-cholesterol; SBP, systolic blood pressure; DBP, diastolic blood pressure; FBS, fasting blood sugar; UA, uric acid; CVD, cardiovascular disease; Ig, immunoglobulin.bAnalysis of variance or logistic regression analysis.cMean (range) (all such values).dSignificantly different from the lowest quartile of immunoglobulin M (Bonferroni correction): P