Document Detail


Dihydrophylloquinone intake is associated with low bone mineral density in men and women.
MedLine Citation:
PMID:  17684225     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Poor diet may affect bone status by displacing nutrients involved in bone health. Dihydrophylloquinone, a form of vitamin K present in foods made with partially hydrogenated fat, is a potential marker of a low-quality dietary pattern. OBJECTIVE: Our objective was to examine the cross-sectional associations between dihydrophylloquinone intake and bone mineral density (BMD) of the hip and spine in men and women. DESIGN: Dihydrophylloquinone intake was estimated with a food-frequency questionnaire, and BMD (in g/cm(2)) was measured by dual-energy X-ray absorptiometry in 2544 men and women (mean age: 58.5 y) who had participated in the Framingham Offspring Study. General linear models were used to examine the associations between dihydrophylloquinone intake (in tertiles: <15.5, 15.5-29.5, and >29.5 microg/d) and hip and spine BMD after adjustment for age, body mass index, energy intake, calcium intake, vitamin D intake, smoking status, physical activity score, and, for women, menopause status and estrogen use. RESULTS: Higher dihydrophylloquinone intakes were associated with lower mean BMD at the femoral neck [lowest-to-highest tertiles (95% CI): 0.934 (0.925, 0.942), 0.927 (0.919, 0.935), and 0.917 (0.908, 0.926), P for trend = 0.02], the trochanter [lowest-to-highest tertiles (95% CI): 0.811 (0.802, 0.820), 0.805 (0.797, 0.813), and 0.795 (0.786, 0.804), P for trend = 0.02], and the spine [lowest-to-highest tertiles (95% CI): 1.250 (1.236, 1.264), 1.243 (1.242, 1.229), and 1.227 (1.213, 1.242), P for trend = 0.03] in men and women after adjustment for the covariates. Further adjustment for markers of healthy and low-quality dietary patterns did not affect the observed associations. CONCLUSIONS: Higher dihydrophylloquinone intakes are associated with lower BMD in men and women. This association remains significant after adjustment for other markers of diet quality.
Authors:
Lisa M Troy; Paul F Jacques; Marian T Hannan; Douglas P Kiel; Alice H Lichtenstein; Eileen T Kennedy; Sarah L Booth
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  The American journal of clinical nutrition     Volume:  86     ISSN:  0002-9165     ISO Abbreviation:  Am. J. Clin. Nutr.     Publication Date:  2007 Aug 
Date Detail:
Created Date:  2007-08-08     Completed Date:  2007-09-25     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  0376027     Medline TA:  Am J Clin Nutr     Country:  United States    
Other Details:
Languages:  eng     Pagination:  504-8     Citation Subset:  AIM; IM    
Affiliation:
Jean Mayer US Department of Agriculture Human Nutrition Research Center on Aging, Tufts University, Boston, MA 02111, USA.
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MeSH Terms
Descriptor/Qualifier:
Absorptiometry, Photon
Bone Density / physiology*
Energy Intake
Female
Femur Neck
Food Habits
Humans
Male
Questionnaires
Vitamin K 1 / analogs & derivatives*,  metabolism
Grant Support
ID/Acronym/Agency:
AG14759/AG/NIA NIH HHS; AR/AG 41398/AG/NIA NIH HHS; N01-HC-25195/HC/NHLBI NIH HHS
Chemical
Reg. No./Substance:
0/dihydrophylloquinone; 84-80-0/Vitamin K 1

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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