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Confirmation of high incidence of type 1 (insulin-dependent) diabetes mellitus inmoroccan children in The Netherlands

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Author: Vos, C. · Reeser, H.M. · Hirasing, R.A. · Bruining, G.J.
Institution: TNO Preventie en Gezondheid
Source:Diabetic Medicine, 5, 14, 397-400
Identifier: 233953
doi: doi:10.1002/(SICI)1096-9136(199705)14:5<397::AID-DIA358>3.0.CO;2-J
Keywords: Health · Adolescent · Adult · Child · Child, Preschool · Cohort Studies · Diabetes Mellitus, Type 1 · Humans · Incidence · Infant · Morocco · Netherlands · Questionnaires · Turkey


The incidence of Type 1 (insulin-dependent) diabetes mellitus among Moroccan children aged (0-19 years) in The Netherlands was determined. Point of reference was the data derived from the second nationwide incidence study on Type 1 diabetes among children under 20 years of age. In that study the incidence among Dutch children was 13.2 100000-1 year-1. To scrutinize the data and to obtain more information a questionnaire was sent in 1993 to all specialists who had reported that they had diagnosed a patient with Type 1 diabetes during the years 1988-1990 whose parents originated from Morocco, Turkey or other foreign countries. The questionnaire requested information on origin and migration of child and parents. The response to the questionnaire was 86% for the Moroccan children, 75% for the Turkish children and 100% for the children from other countries. In only one case a wrong country had been recorded. None of the patients had been in The Netherlands for less than 6 months before the diagnosis. The incidence for Moroccan children was 20.0 (95% CI 14.6-26.9) and for Turkish children 4.5 (95% CI 2.2-8.0) 100000-1 year-1. It is concluded that the incidence of Type 1 diabetes in Moroccan children (0-19 years) is 1.5 times higher than in Dutch children and 4.5 times higher than in Turkish children.