Titre :
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The U-shaped association between body mass index and mortality : relationship with weight gain in a native American population. (1995)
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Auteurs :
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R.L. HANSON ;
P.H. BENNETT ;
L.T.H. JACOBSSON ;
W.C. KNOWLER ;
D.R. MCCANCE ;
K.M.V. NARAYAN ;
R.G. NELSON ;
D.J. PETTITT ;
National inst diabetes digestive kidney diseases. Phoenix epidemiology clin res branch. Diabetes arthritis epidemiology sect. Phoenix AZ. USA
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Type de document :
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Article
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Dans :
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Journal of clinical epidemiology (vol. 48, n° 7, 1995)
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Pagination :
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903-916
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Langues:
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Anglais
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Mots-clés :
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Mortalité
;
Prise poids
;
Homme
;
Epidémiologie
;
Ethnie
;
Etats Unis
;
Amérique
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Résumé :
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[BDSP. Notice produite par INIST 1usdfR0x. Diffusion soumise à autorisation]. In order to determine whether weight loss explains high mortality rates in those with a low body mass index (BMI), the relationships between BMI, rate of weight gain and mortality were examined in Pima Indians. Subjects were 814 diabetic and 1814 nondiabetic participants in a longitudinal survey who had at least two examinations after age 20. Median duration of follow-up was 8.1 (range 0.03-25.1) years. BMI showed a U-shaped relationship with mortality rates in men with the lowest rates in the 30-35 kg/m2 category ; an inverse relationship was seen in women. Subjects who were losing weight had higher mortality rates than those who were gaining. However, excess mortality among the lightest subjects was present among those who were gaining weight. Among nondiabetic subjects, the mortality ratio (MR) for BMI
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