Interbirth interval is associated with childhood type 1 diabetes risk

Chris R. Cardwell, Jannet Svensson, Thomas Waldhoer, Johnny Ludvigsson, Vaiva Sadauskaite-Kuehne, Christine L. Roberts, Roger C. Parslow, Emma J. K. Wadsworth, Girts Brigis, Brone Urbonaite, Edith Schober, Gabriele Devoti, Constantin Ionescu-Tirgoviste, Carine E. de Beaufort, Gyula Soltesz, Chris C. Patterson

    Research output: Contribution to journalArticlepeer-review

    8 Citations (Scopus)
    9 Downloads (Pure)

    Abstract

    Short interbirth interval has been associated with maternal complications and childhood autism and leukemia, possibly due to deficiencies in maternal micronutrients at conception or increased exposure to sibling infections. A possible association between interbirth interval and subsequent risk of childhood type 1 diabetes has not been investigated. A secondary analysis of 14 published observational studies of perinatal risk factors for type 1 diabetes was conducted. Risk estimates of diabetes by category of interbirth interval were calculated for each study. Random effects models were used to calculate pooled odds ratios (ORs) and investigate heterogeneity between studies. Overall, 2,787 children with type 1 diabetes were included. There was a reduction in the risk of childhood type 1 diabetes in children born to mothers after interbirth intervals β3 years compared with longer interbirth intervals (OR 0.82 [95% CI 0.72-0.93]). Adjustments for various potential confounders little altered this estimate. In conclusion, there was evidence of a 20% reduction in the risk of childhood diabetes in children born to mothers after interbirth intervals β3 years.

    Original languageEnglish
    Pages (from-to)702-707
    Number of pages6
    JournalDiabetes
    Volume61
    Issue number3
    DOIs
    Publication statusPublished - Mar 2012

    Field of Science*

    • 3.2 Clinical medicine
    • 3.3 Health sciences

    Publication Type*

    • 1.1. Scientific article indexed in Web of Science and/or Scopus database

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