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Evaluation of relative intake of fatty acids according to the Northern Sweden FFQ with fatty acid levels in erythrocyte membranes as biomarkers
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- Wennberg, Maria, 1974- (author)
- Umeå universitet,Yrkes- och miljömedicin
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- Vessby, Bengt (author)
- Uppsala universitet,Klinisk nutrition och metabolism
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- Johansson, Ingegerd (author)
- Umeå universitet,Institutionen för odontologi,Näringsforskning
- (creator_code:org_t)
- 2009
- 2009
- English.
- In: Public Health Nutrition. - 1368-9800 .- 1475-2727. ; 12:9, s. 1477-1484
- Journal article (peer-reviewed)
Abstract
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- OBJECTIVE: To evaluate the validity of the Northern Sweden eighty-four-item FFQ to estimate intake of fatty acids relative to 24 h diet recalls (24-HDR) and fatty acids in erythrocyte membranes. DESIGN: Participants, randomly recruited from the population-based Västerbotten Intervention Project, answered the eighty-four-item FFQ. During the following year each participant carried out ten 24-HDR. Intake of fatty acids measured by the FFQ was compared with intake by the 24-HDR and fatty acid levels in erythrocytes. SETTING: The county of Västerbotten in northern Sweden. SUBJECTS: Ninety-six men and ninety-nine women. RESULTS: Spearman correlation coefficients (rs) between intakes of the fatty acids 14 : 0, 15 : 0, 16 : 0, 17 : 0, 18 : 2n-6, 18 : 3n-3, 20 : 5n-3 and 22 : 6n-3 estimated by the FFQ and the 24-HDR were all significant and ranged from 0.29 (22 : 6n-3 in men and women) to 0.60 (16 : 0 in men), whereas significant correlations between FFQ-estimated intake and erythrocyte membrane content were only seen for milk fatty acids 14 : 0, 15 : 0 and 17 : 0 (rs = 0.23-0.34) and fish fatty acids 20 : 5n-3 and 22 : 6n-3 (rs = 0.42-0.51). CONCLUSION: The Northern Sweden eighty-four-item FFQ gives a satisfactory estimate of the intake of fish fatty acids (20 : 5n-3 and 22 : 6n-3) and milk fatty acids (15 : 0 and 17 : 0), whereas its validity for fatty acids 18 : 2n-6 and 18 : 3n-3, derived mainly from vegetable oils, cannot be shown.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap -- Folkhälsovetenskap, global hälsa, socialmedicin och epidemiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Health Sciences -- Public Health, Global Health, Social Medicine and Epidemiology (hsv//eng)
Keyword
- Validation
- Food frequency questionnaire
- Fatty acids
- Erythrocyte membranes
- MEDICINE
- MEDICIN
- Community medicine
- Public health
Publication and Content Type
- ref (subject category)
- art (subject category)
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