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  1. Unintentional weight loss in the United States.

    Article - En anglais

    Lower weight is usually considered advantageous to health, yet weight loss has been associated with increased mortality.

    An explanation for this paradox might be that the benefits of weight loss may depend on whether the loss is intentional or unintentional.

    The authors investigated whether intentional and unintentional weight loss differed in their associations with known risk factors for morbidity and mortality in a nationally representative sample of the US population.

    The sample consisted of 9,144 persons, aged 45 years and older, who answered questions regarding 1-year weight change in the diabetes risk factor Current Health Topic of the 1989 National Health Interview Survey (NHIS).

    Statistical analyses incorporated the sample weights and characteristics of the survey design.

    Relative to a common referent group, the factors associated with weight loss differed depending on whether the loss was defined as intentional loss, as unintentional loss, or regardless of intention.

    Restricting analysis to the 1,999 persons who lost weight, unintentional relative to intentional weight loss was significantly (p<0.05) associated with older age, poorer health status, smoking, lower body mass index, and, in men only, widowhood and less education.

    Thus, unintentional weight loss may serve as a marker for factors that characterize persons at greater risk of mortality than persons undergoing intentional weight loss.

    Mots-clés Pascal : Perte poids, Intention, Epidémiologie, Santé, Homme, Facteur risque, Age, Indice masse corporelle, Niveau étude, Tabagisme, Etats Unis, Amérique du Nord, Amérique

    Mots-clés Pascal anglais : Weight loss, Intention, Epidemiology, Health, Human, Risk factor, Age, Body mass index, Education level, Tobacco smoking, United States, North America, America

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 96-0006181

    Code Inist : 002B30A01A2. Création : 01/03/1996.