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  1. Small area variation in the incidence of childhood insulin-dependent diabetes mellitus in Yorkshire, UK : Links with overcrowding and population density.

    Article - En anglais


    The incidence of insulin-dependent diabetes mellitus (IDDM) incidence varies between and within countries.

    The origins of this variation are disputed, but they involve both genetic and non-genetic influences.

    To explore the role of environmental factors in the aetiology of IDDM we have examined the incidence in small geographical areas and related it to variables derived from national censuses.


    This is an ecological analysis of incidence data from a register of children with IDDM covering the counties of West Yorkshire, North Yorkshire and Humberside in the north of England.

    All children aged ¾16, diagnosed with IDDM between 1978 and 1990 were eligible for inclusion.

    Spatial variation in incidence between electoral wards was investigated using Poisson regression, in relation to socioeconomic status, population density, urban-rural status and measures of geographical isolation.

    Ward child populations varied in size from 84 to 7197 (mean=1545).


    Rates were significantly lower in wards of high population density and with many overcrowded houses.

    The rate ratio for areas in the upper half of the childhood density distribution was 0.88 (95% confidence interval (Cl) : 0.78-0.99) and for the two upper tertiles of household overcrowding the rate ratios were 0.84 (95% Cl : 0.74-0.95) and 0.68 (95% Cl : 0.58-0.79) respectively. (...)

    Mots-clés Pascal : Diabète insulinodépendant, Enfant, Homme, Epidémiologie, Incidence, Variation géographique, Densité population, Surpopulation, Logement habitation, Statut socioéconomique, Royaume Uni, Europe, Endocrinopathie, Immunopathologie, Maladie autoimmune

    Mots-clés Pascal anglais : Insulin dependent diabetes, Child, Human, Epidemiology, Incidence, Geographical variation, Population density, Crowding, Housing, Socioeconomic status, United Kingdom, Europe, Endocrinopathy, Immunopathology, Autoimmune disease

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

    Cote : 98-0056874

    Code Inist : 002B21E01C. Création : 14/05/1998.