ArticleDiabetologia2015
No evidence of seasonality of birth in adult type 2 diabetes in Denmark.
Article in Diabetologia, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 15 citations in OpenAlex.
- Gestational Diabetes Risk May Vary Depending on Birth Month.Journal of clinical medicine · 2025Article
- In Search of Environmental Factors Associated With Global Differences in Birth Weight and BMI.American journal of human biology : the official journal of the Human Biology Council · 2025Article
- Studying the heterogeneous pathogenesis of canine diabetes: Observational characterization of an island population.Veterinary medicine and science · 2021Article
- Blood Glucose Level, Gestational Diabetes Mellitus and Maternal Birth Season: A Retrospective Cohort Study.Frontiers in endocrinology · 2021Article
- Seasonal and Monthly Patterns, Weekly Variations, and the Holiday Effect of Outpatient Visits for Type 2 Diabetes Mellitus Patients in China.International journal of environmental research and public health · 2019Article
- Season of birth and the risk of type 2 diabetes in adulthood: a prospective cohort study of 0.5 million Chinese adults.Diabetologia · 2017Article
- Early-Life Nutritional Programming of Type 2 Diabetes: Experimental and Quasi-Experimental Evidence.Nutrients · 2017Review
- Seasonality of gestational diabetes mellitus: a South Australian population study.BMJ open diabetes research & care · 2016Article
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Authors and funding
7 authors at 4 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
aims/hypothesisThe season of birth might influence prenatal circumstances, which may influence the risk of developing type 2 diabetes. The aim of this study was to determine whether the diagnosis of type 2 diabetes in Denmark changed with the season of birth.
methodsThis study used data from the population-based Copenhagen School Health Records Register (CSHRR) that includes schoolchildren born between 1930 and 1989. Via a personal identification number, the CSHRR was linked to the National Patient Register containing hospital discharge diagnoses since 1977. The effect of seasonal variation in birth on the risk of type 2 diabetes was assessed using Cox regression, with month or season of birth as the predictor. The underlying time variable was age, and follow-up started in 1977 or at age 30 years.
resultsThe study population consisted of 223,099 people, of whom 12,486 developed adult type 2 diabetes. Using January as the reference month, the risk of type 2 diabetes by month of birth was not statistically different for any of the 11 comparative birth months. Grouping month of birth into seasons (spring was the reference) gave essentially similar results, showing no difference in the risk of type 2 diabetes for any season. Repeating the analysis by sex, birth cohort and birthweight categories revealed no associations. CONCLUSIONS/
interpretationThe risk of adult type 2 diabetes was not associated with month of birth in a large Danish population-based study. The results suggest that the causes of seasonality in birthweight are not causes of type 2 diabetes.
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