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. 2006 Nov;96(11):2040–2047. doi: 10.2105/AJPH.2005.067371

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© American Journal of Public Health 2006

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FIGURE 2— — Total folate intake medians, pre- and postfortification, for men (a) and women (b) aged ‡15 years. Medians are presented by cohort and race/ethnicity, and includes folate consumption from all food and supplement sources. The effect of fortification was found to be highly significant (P < .001), after control for age, age-squared, gender, and race/ ethnicity. The effect of age varied significantly by race/ethnicity and gender, and the effect of gender varied significantly by race/ethnicity.