Use of a food frequency questionnaire in American Indian and Caucasian pregnant women: a validation study

• Main Authors: Leppert Jill (Author), Rockett Helaine RH (Author), Blum Robin E (Author), Baer Heather J (Author), Gardner Jane D (Author), Suitor Carol W (Author), Colditz Graham A (Author)
• Format: Book
• Published: BMC, 2005-12-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

<p>Abstract</p> <p>Background</p> <p>Food frequency questionnaires (FFQs) have been validated in pregnant women, but few studies have focused specifically on low-income women and minorities. The purpose of this study was to examine the validity of the Harvard Service FF...