Birthweight and risk of type 1 diabetes in children and young adults: A population-based register study

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Abstract

Aims/hypothesis: We investigated the association between type 1 diabetes and birthweight by age at disease onset. Methods: This population-based case-referent study used data from two nationwide case registers that are linked to the Swedish Medical Birth Registry and cover incident cases of type 1 diabetes in the 0- to 14-year (since 1 July 1977) and 15- to 34-year age groups (since 1 January 1983). Of the cases linked to the Medical Birth Registry, a total of 9,283 cases with onset before 15 years of age was recorded before 1 January 2003, and 1,610 cases were recorded with onset before 30 years of age and born after 1973 (together 95% of eligible cases). Multiple births and babies of diabetic mothers were excluded. Sex-specific birthweight by gestational week is expressed as multiples of the standard deviation (SDS) and adjusted for year of birth, maternal age and parity. Results: Cases with onset before 10 years of age (n=5,792) showed a significant linear trend in odds ratio (OR) by SDS of adjusted birthweight (OR by SDS: 0.062; 95% CI: 0.037-0.086; p<0.0001), while cases with onset at the age of 10-29 years showed no significant trend (OR by SDS: 0.004; 95% CI: -0.007 to 0.0014; p=0.22). Conclusions/interpretation: The association between type 1 diabetes risk and birthweight seems to be limited to cases with disease onset in younger years. © Springer-Verlag 2005.

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APA

Dahlquist, G. G., Pundziūtė-Lyckå, A., & Nyström, L. (2005). Birthweight and risk of type 1 diabetes in children and young adults: A population-based register study. Diabetologia, 48(6), 1114–1117. https://doi.org/10.1007/s00125-005-1759-6

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