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dc.contributor.authorLi, Min
dc.contributor.authorHalldorsson, Thorhallur I
dc.contributor.authorBjerregaard, Anne A
dc.contributor.authorChe, Yan
dc.contributor.authorMao, Yanyan
dc.contributor.authorHu, Wenfu
dc.contributor.authorWang, Yu
dc.contributor.authorZhou, Weijin
dc.contributor.authorOlsen, Sjúrdur F
dc.contributor.authorStrøm, Marin
dc.date.accessioned2015-05-06T16:18:02Zen
dc.date.available2015-05-06T16:18:02Zen
dc.date.issued2014-11en
dc.date.submitted2015en
dc.identifier.citationActa Obstet Gynecol Scand. 2014, 93 (11):1141-9en
dc.identifier.issn1600-0412en
dc.identifier.pmid25053161en
dc.identifier.doi10.1111/aogs.12460en
dc.identifier.urihttp://hdl.handle.net/2336/552399en
dc.descriptionTo access publisher's full text version of this article click on the hyperlink at the bottom of the pageen
dc.description.abstractFood frequency questionnaires are relatively inexpensive, easy and quick to administer, but the construction of a food frequency questionnaire that can capture Chinese food habits is challenging given the diverse lifestyle and eating habits in different parts of the country. The aim of this study was to assess the validity and reproducibility of a self-administered food frequency questionnaire against a 3-day dietary recall in a rural region of western China.
dc.description.abstractProspective cohort study.
dc.description.abstractChinese maternal and child healthcare hospital.
dc.description.abstractA total of 168 healthy pregnant women.
dc.description.abstractPregnant women completed a food frequency questionnaire at 16-24 weeks gestation, and again at 29-31 weeks; during weeks 26-27 they completed a 3-day dietary recall.
dc.description.abstractIn general, mean intake was higher when assessed with food frequency questionnaires compared with dietary recall. Spearman and intra-class correlation coefficients between the two food frequency questionnaires ranged from 0.31 to 0.69 and from 0.27 to 0.79, respectively. For the second food frequency questionnaire and the dietary recall, the crude and de-attenuated Spearman correlations ranged from 0.12 to 0.55 and 0.14 to 0.58, respectively. The correlation both between the two food frequency questionnaires and between the second food frequency questionnaire and the dietary recall decreased after adjustment for energy. Ranking women, 31-57% and 1-8% were classified into the same and the opposite quartile, respectively, by both food frequency questionnaires; 30-45% and 1-11% were classified into the same and the opposite quartile respectively for the second food frequency questionnaire and dietary recall.
dc.description.abstractThe food frequency questionnaire showed good reproducibility and correlations with dietary recall; it is useful for ranking study participants according to dietary intake, which is of great importance to future etiological studies in this cohort.
dc.description.sponsorshipMarch of Dimes 6-FY01-317 Danish Council for Strategic Research 09-067124 Nutricia Research Foundation 2013-47en
dc.language.isoenen
dc.publisherWiley-Blackwellen
dc.relation.urlhttp://dx.doi.org/ 10.1111/aogs.12460.en
dc.relation.urlhttp://onlinelibrary.wiley.com/doi/10.1111/aogs.12460/epdfen
dc.rightsArchived with thanks to Acta obstetricia et gynecologica Scandinavicaen
dc.subjectMataræðien
dc.subjectFæðien
dc.subjectMeðgangaen
dc.subject.meshAdulten
dc.subject.meshChinaen
dc.subject.meshDemographyen
dc.subject.meshDiet Surveysen
dc.subject.meshFemaleen
dc.subject.meshFood Habitsen
dc.subject.meshHumansen
dc.subject.meshPregnancyen
dc.subject.meshProspective Studiesen
dc.subject.meshReproducibility of Resultsen
dc.subject.meshRural Populationen
dc.titleRelative validity and reproducibility of a food frequency questionnaire used in pregnant women from a rural area of China.en
dc.typeArticleen
dc.contributor.department[ 1 ] Fudan Univ, Sch Publ Hlth, Shanghai 200433, Peoples R China [ 2 ] Shanghai Inst Planned Parenthood Res, Natl Populat & Family Planning Key Lab Contracept, Dept Epidemiol & Social Sci Reprod Hlth, Shanghai 200032, Peoples R China [ 3 ] Statens Serum Inst, Dept Epidemiol Res, Ctr Fetal Programming, DK-2300 Copenhagen, Denmark [ 4 ] Univ Iceland, Sch Hlth Sci, Fac Food Sci & Nutr, Unit Nutr Res, Reykjavik, Iceland [ 5 ] Lanzhou Univ, Minle Maternal & Child Hlth Care Ctr, Lanzhou 730000, Gansu, Peoples R China [ 6 ] Lanzhou Univ, Sch Publ Hlth, Dept Nutr, Lanzhou 730000, Gansu, Peoples R China [ 7 ] Lanzhou Univ, Sch Publ Hlth, Food Hyg Inst, Lanzhou 730000, Gansu, Peoples R Chinaen
dc.identifier.journalActa obstetricia et gynecologica Scandinavicaen
dc.rights.accessNational Consortium - Landsaðganguren
html.description.abstractFood frequency questionnaires are relatively inexpensive, easy and quick to administer, but the construction of a food frequency questionnaire that can capture Chinese food habits is challenging given the diverse lifestyle and eating habits in different parts of the country. The aim of this study was to assess the validity and reproducibility of a self-administered food frequency questionnaire against a 3-day dietary recall in a rural region of western China.
html.description.abstractProspective cohort study.
html.description.abstractChinese maternal and child healthcare hospital.
html.description.abstractA total of 168 healthy pregnant women.
html.description.abstractPregnant women completed a food frequency questionnaire at 16-24 weeks gestation, and again at 29-31 weeks; during weeks 26-27 they completed a 3-day dietary recall.
html.description.abstractIn general, mean intake was higher when assessed with food frequency questionnaires compared with dietary recall. Spearman and intra-class correlation coefficients between the two food frequency questionnaires ranged from 0.31 to 0.69 and from 0.27 to 0.79, respectively. For the second food frequency questionnaire and the dietary recall, the crude and de-attenuated Spearman correlations ranged from 0.12 to 0.55 and 0.14 to 0.58, respectively. The correlation both between the two food frequency questionnaires and between the second food frequency questionnaire and the dietary recall decreased after adjustment for energy. Ranking women, 31-57% and 1-8% were classified into the same and the opposite quartile, respectively, by both food frequency questionnaires; 30-45% and 1-11% were classified into the same and the opposite quartile respectively for the second food frequency questionnaire and dietary recall.
html.description.abstractThe food frequency questionnaire showed good reproducibility and correlations with dietary recall; it is useful for ranking study participants according to dietary intake, which is of great importance to future etiological studies in this cohort.


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