European Journal of Pediatrics

, Volume 167, Issue 3, pp 293–297 | Cite as

Steep increase of incidence of childhood diabetes since 1999 in Austria. Time trend analysis 1979–2005. A nationwide study

  • Edith Schober
  • Birgit Rami
  • Thomas Waldhoer
  • Austrian Diabetes Incidence Study Group
Original Paper


In a prospective population-based incidence study all newly diagnosed type 1 diabetic patients 0–<15 years of age were registered by the Austrian Diabetes Incidence Study Group. The nationwide incidence of type 1 diabetes between 2000–2005 was compared with the previously published incidence rates. Long-term trends as well as seasonal trends were estimated by Poisson regression models. A total of 3,599 incident cases (1,908 boys; 1,691 girls) were identified. Case ascertainment was >92%. The overall incidence rate doubled from 7.3 (95% CI; 6.8–7.9)/100,000 in the period 1979–84 to 14.6 (95% CI, 13.7–15.4)/100,000 in the time period 2000–2005. A significant increase during the observation period of 26 years could be demonstrated in all age groups and both sexes (p<0.01), with the steepest increment during the last 5 years. Until 1994 the incidence rate in children 0–<5 years was rather stable, but afterwards increased dramatically with 9.2% (95% CI, 5.2–13.4) annually. Despite this steep increase in time trend, we did not observe a seasonal variation in this age group (0–<5) in contrast to significant seasonal variations in the groups 5–<10 and 10–<15 years of age. Over the past 26 years incidence of type 1 diabetes in childhood increased clearly in Austria. The steepest rise was observed in the last 5 years and in the younger age groups.


Type 1 diabetes mellitus Incidence Time trend Childhood 


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Copyright information

© Springer-Verlag 2007

Authors and Affiliations

  • Edith Schober
    • 1
    • 3
  • Birgit Rami
    • 1
  • Thomas Waldhoer
    • 2
  • Austrian Diabetes Incidence Study Group
  1. 1.Department of PaediatricsMedical University of ViennaViennaAustria
  2. 2.Department of Epidemiology, Center of Public HealthMedical University of ViennaViennaAustria
  3. 3.University Children’s HospitalViennaAustria

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