Use of a food frequency questionnaire in American Indian and Caucasian pregnant women: a validation studyReport as inadecuate

Use of a food frequency questionnaire in American Indian and Caucasian pregnant women: a validation study - Download this document for free, or read online. Document in PDF available to download.

BMC Public Health

, 5:135

First Online: 15 December 2005Received: 12 July 2005Accepted: 15 December 2005DOI: 10.1186-1471-2458-5-135

Cite this article as: Baer, H.J., Blum, R.E., Rockett, H.R. et al. BMC Public Health 2005 5: 135. doi:10.1186-1471-2458-5-135


BackgroundFood 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 FFQ HSFFQ among low-income American Indian and Caucasian pregnant women.

MethodsThe 100-item HSFFQ was administered three times to a sample of pregnant women, and two sets of 24-hour recalls six total were collected at approximately 12 and 28 weeks of gestation. The sample included a total of 283 pregnant women who completed Phase 1 of the study and 246 women who completed Phase 2 of the study. Deattenuated Pearson correlation coefficients were used to compare intakes of 24 nutrients estimated from the second and third FFQ to average intakes estimated from the week-12 and week-28 sets of diet recalls.

ResultsDeattenuated correlations ranged from 0.09 polyunsaturated fat to 0.67 calcium for Phase 1 and from 0.27 sucrose to 0.63 total fat for Phase 2. Average deattenuated correlations for the two phases were 0.48 and 0.47, similar to those reported among other groups of pregnant women.

ConclusionThe HSFFQ is a simple self-administered questionnaire that is useful in classifying low-income American Indian and Caucasian women according to relative dietary intake during pregnancy. Its use as a research tool in this population may provide important information about associations of nutrient intakes with pregnancy outcomes and may help to identify groups of women who would benefit most from nutritional interventions.

Electronic supplementary materialThe online version of this article doi:10.1186-1471-2458-5-135 contains supplementary material, which is available to authorized users.

Heather J Baer, Robin E Blum contributed equally to this work.

Download fulltext PDF

Author: Heather J Baer - Robin E Blum - Helaine RH Rockett - Jill Leppert - Jane D Gardner - Carol W Suitor - Graham A Coldit


Related documents