Table 3.

Coffee consumption and plasma tHcy concentrations.1

Coffee, cups/dayAllMenWomen
Plasma concentration2DifferencePlasma concentration2DifferencePlasma concentration2Difference
%% of SD%% of SD%% of SD
tHcy, μmol/L010.1RefRef10.7RefRef9.5RefRef
1–310.43.512.011.02.59.39.94.515.5
≥410.86.823.311.25.118.610.38.829.5
P for trend (ANCOVA)<0.001<0.001<0.001
tHcy after adjustment for folate, μmol/L010.3RefRef10.9RefRef9.8RefRef
1–310.51.86.411.01.34.810.02.48.4
≥410.73.913.411.32.710.010.35.117.6
P for trend (ANCOVA)<0.0010.01<0.001