Age-adjusted characteristics of the study population according to phytate:zinc molar ratio group.

All results except each median value and age were adjusted for age, and all nutrient intakes are total energy-adjusted values. Values are expressed as means ± SE or percent.a,b, c Mean values with unlike superscript letters within a row were significantly different among the three groups by Tukey’s multiple comparison test.P for linear trend was determined by the general linear model for continuous variables and by the Cochran-Mantel-Haenszel test for categorical variables.∥The proportion among women subjects.†≥ High school graduates (12 years of education)‡≥3 times/week and ≥30 min/session