Abstract:
OBJECTIVE:To validate an FFQ for the assessment of dietary EPA and DHA against their relative concentrations in red blood cells (RBC). DESIGN:Cross-sectional analysis of baseline data. Intakes of marine food products and EPA and DHA were estimated by FFQ on the basis of consumption of marine food products in the last month. Fatty acid composition of RBC membranes was quantified by GC. SETTING:Saint-François d'Assise Hospital, Québec, Canada. SUBJECTS:A total of sixty-five middle-aged women who participated in a randomized clinical trial. RESULTS:Spearman's correlation coefficient between intake of EPA, DHA and EPA + DHA and their corresponding concentration in RBC was 0.46, 0.40 and 0.42, respectively (all P < 0.05). Multiple regression analysis of EPA+DHA intake and RBC EPA + DHA concentration indicated positive and significant correlations for oily fish (beta = 0.44, 95% CI 0.16, 0.72, P = 0.0027), total fish (beta = 0.42, 95% CI 0.19, 0.64, P = 0.0005) and marine food products (beta = 0.42, 95% CI 0.20, 0.64, P = 0.0003). No other marine food products significantly predicted RBC EPA + DHA concentration. CONCLUSIONS:Although the present validation study was undertaken among middle-aged women with low consumption of marine food products (<3 servings/week), our FFQ provided estimates of EPA and DHA intakes that correlated fairly well with their RBC concentrations. However, the absence of correlations between EPA + DHA intakes from different marine species suggests that a minimum EPA + DHA intake is necessary to observe a relationship with RBC EPA + DHA concentrations.
journal_name
Public Health Nutrjournal_title
Public health nutritionauthors
Lucas M,Asselin G,Mérette C,Poulin MJ,Dodin Sdoi
10.1017/S1368980008004333subject
Has Abstractpub_date
2009-10-01 00:00:00pages
1783-90issue
10eissn
1368-9800issn
1475-2727pii
S1368980008004333journal_volume
12pub_type
杂志文章,随机对照试验abstract:OBJECTIVE:To test equations for calculating infants' energy requirements as a simple and reliable instrument for estimating the amount of breast milk consumed in epidemiological studies where test-weighing is not possible. DESIGN:Infants' energy requirements were calculated using three different equations based on ref...
journal_title:Public health nutrition
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journal_title:Public health nutrition
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doi:10.1079/phn2001127
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doi:10.1017/S1368980012005435
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abstract:OBJECTIVE:We aimed to study the correlation between neck circumference (NC) and anthropometric adiposity indicators, and to determine cut-off points of NC for both sexes to identify elevated central adiposity in schoolchildren in western Mexico. DESIGN:Cross-sectional study. SETTING:Rural settings in western México.P...
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更新日期:2018-03-01 00:00:00
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更新日期:2012-01-01 00:00:00
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更新日期:2002-06-01 00:00:00
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更新日期:2001-10-01 00:00:00
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更新日期:2014-04-01 00:00:00
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更新日期:2011-03-01 00:00:00
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pub_type: 杂志文章,评审
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更新日期:2003-02-01 00:00:00
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pub_type: 杂志文章
doi:10.1017/S136898000800459X
更新日期:2009-09-01 00:00:00
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更新日期:2020-06-01 00:00:00
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journal_title:Public health nutrition
pub_type: 杂志文章,随机对照试验
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更新日期:2009-05-01 00:00:00
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更新日期:2016-07-01 00:00:00
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更新日期:2013-03-01 00:00:00