Titre :
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Bone mineral density and verbal memory impairment : Third National Health and Nutrition Examination Survey. (2001)
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Auteurs :
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YUQING ZHANG . (.) ;
Rcurtis ELLISON ;
David-T FELSON ;
Timothy HEEREN ;
Sudha SESHADRI
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Type de document :
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Article
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Dans :
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American journal of epidemiology (vol. 154, n° 9, 2001)
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Pagination :
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795-802
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Langues:
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Anglais
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Mots-clés :
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Etats Unis
;
Amérique
;
Epidémiologie
;
Personne âgée
;
Homme
;
Age
;
Sexe
;
Race
;
Densité population
;
Os
;
Mémoire
;
Fonction cognitive
;
Exposition
;
Amérique du Nord
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Résumé :
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[BDSP. Notice produite par INIST-CNRS R0x1T6AZ. Diffusion soumise à autorisation]. Previous studies have examined the relation of endogenous estrogen levels or estrogen replacement therapy to the risk of poor cognitive function, but results have been inconclusive. Bone mineral density has been proposed as a marker for cumulative estrogen exposure. The authors studied the relation of bone mineral density to the prevalence of verbal memory impairment among 4,304 elderly subjects in the Third National Health and Nutrition Examination Survey (1988-1994). Bone mineral density was measured in five regions of the proximal femur with dual-energy x-ray absorptiometry. Verbal memory was assessed using delayed recall of a three-item word list and a six-item story. Verbal memory impairment was defined as a combined score of
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