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This study tested the ability of a self-administered food frequency questionnaire (FFQ) to identify women with low fat intakes. FFQs were completed by 95 control participants of a dietary trial at a mean of 2.9 ± 0.8 years post-randomization. Subjects were selected in approximately equal numbers from women who were low-fat eaters (≤30% of energy from fat) and high-fat eaters (>30% of energy from...
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