Long-term trends in the incidence of type 1 diabetes in Denmark: the seasonal variation changes over time

Jannet Svensson; Annette Lyngaae-Jørgensen; Bendix Carstensen; Lars Bjarke Simonsen; Henrik B Mortensen; Danish Childhood Diabetes Registry; Jannet Svensson; Annette Lyngaae-Jørgensen; Bendix Carstensen; Lars Bjarke Simonsen; Henrik B Mortensen; Danish Childhood Diabetes Registry

doi:10.1111/j.1399-5448.2008.00483.x

Long-term trends in the incidence of type 1 diabetes in Denmark: the seasonal variation changes over time

Jannet Svensson, Annette Lyngaae-Jørgensen, Bendix Carstensen, Lars Bjarke Simonsen, Henrik B Mortensen, Danish Childhood Diabetes Registry, Jannet Svensson, Annette Lyngaae-Jørgensen, Bendix Carstensen, Lars Bjarke Simonsen, Henrik B Mortensen, Danish Childhood Diabetes Registry

64 Citations (Scopus)

Abstract

There is a worldwide increase of type 1 diabetes mellitus (T1DM). In 1996, the Danish population-based registry was initiated including all newly diagnosed children aged 0-15 yr. This is the report of incidence and seasonal variation for the first 10 yr of the registry. The data was analyzed using Poisson's regression analysis. A total of 2166 children with diabetes were diagnosed before the age of 15 yr between 1996 and 2005. In this period, the annual increase in childhood T1DM was 3.43% (95% confidence interval: 1.91-4.97), which was unaffected by age and gender. Seasonal variation in incidence rates varied by year but not by age and gender. In conclusion, there is a steep increase in incidence of childhood T1DM in Denmark; the increase is comparable with the increase seen in other European countries. There is a significant seasonal variation that changes on a year-to-year basis. The observed variations in cadence rates may be associated with viral epidemics, sunshine exposure, or vitamin D levels and suggest further exploration of these relations.

Original language	English
Journal	Pediatric Diabetes
Volume	10
Issue number	4
Pages (from-to)	248-54
Number of pages	6
ISSN	1399-543X
DOIs	https://doi.org/10.1111/j.1399-5448.2008.00483.x https://doi.org/10.1111/j.1399-5448.2008.00483.x
Publication status	Published - 2009

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Svensson, J., Lyngaae-Jørgensen, A., Carstensen, B., Simonsen, L. B., Mortensen, H. B., Danish Childhood Diabetes Registry, Svensson, J., Lyngaae-Jørgensen, A., Carstensen, B., Simonsen, L. B., Mortensen, H. B., & Diabetes Registry, D. C. (2009). Long-term trends in the incidence of type 1 diabetes in Denmark: the seasonal variation changes over time. Pediatric Diabetes, 10(4), 248-54. https://doi.org/10.1111/j.1399-5448.2008.00483.x, https://doi.org/10.1111/j.1399-5448.2008.00483.x

Svensson, J, Lyngaae-Jørgensen, A, Carstensen, B, Simonsen, LB, Mortensen, HB, Danish Childhood Diabetes Registry, Svensson, J, Lyngaae-Jørgensen, A, Carstensen, B, Simonsen, LB, Mortensen, HB & Diabetes Registry, DC 2009, 'Long-term trends in the incidence of type 1 diabetes in Denmark: the seasonal variation changes over time', Pediatric Diabetes, vol. 10, no. 4, pp. 248-54. https://doi.org/10.1111/j.1399-5448.2008.00483.x, https://doi.org/10.1111/j.1399-5448.2008.00483.x

@article{78e441c0a60011df928f000ea68e967b,

title = "Long-term trends in the incidence of type 1 diabetes in Denmark: the seasonal variation changes over time",

abstract = "There is a worldwide increase of type 1 diabetes mellitus (T1DM). In 1996, the Danish population-based registry was initiated including all newly diagnosed children aged 0-15 yr. This is the report of incidence and seasonal variation for the first 10 yr of the registry. The data was analyzed using Poisson's regression analysis. A total of 2166 children with diabetes were diagnosed before the age of 15 yr between 1996 and 2005. In this period, the annual increase in childhood T1DM was 3.43% (95% confidence interval: 1.91-4.97), which was unaffected by age and gender. Seasonal variation in incidence rates varied by year but not by age and gender. In conclusion, there is a steep increase in incidence of childhood T1DM in Denmark; the increase is comparable with the increase seen in other European countries. There is a significant seasonal variation that changes on a year-to-year basis. The observed variations in cadence rates may be associated with viral epidemics, sunshine exposure, or vitamin D levels and suggest further exploration of these relations.",

author = "Jannet Svensson and Annette Lyngaae-J{\o}rgensen and Bendix Carstensen and Simonsen, {Lars Bjarke} and Mortensen, {Henrik B} and {Danish Childhood Diabetes Registry} and Jannet Svensson and Annette Lyngaae-J{\o}rgensen and Bendix Carstensen and Simonsen, {Lars Bjarke} and Mortensen, {Henrik B} and {Diabetes Registry}, {Danish Childhood}",

note = "Keywords: Adolescent; Child; Child, Preschool; Denmark; Diabetes Mellitus, Type 1; Female; Forecasting; Humans; Incidence; Infant; Infant, Newborn; Male; Registries; Seasons; Time Factors",

year = "2009",

doi = "10.1111/j.1399-5448.2008.00483.x",

language = "English",

volume = "10",

pages = "248--54",

journal = "Pediatric Diabetes",

issn = "1399-543X",

publisher = "Wiley-Blackwell",

number = "4",

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T1 - Long-term trends in the incidence of type 1 diabetes in Denmark: the seasonal variation changes over time

AU - Svensson, Jannet

AU - Lyngaae-Jørgensen, Annette

AU - Carstensen, Bendix

AU - Simonsen, Lars Bjarke

AU - Mortensen, Henrik B

AU - Danish Childhood Diabetes Registry

AU - Svensson, Jannet

AU - Lyngaae-Jørgensen, Annette

AU - Carstensen, Bendix

AU - Simonsen, Lars Bjarke

AU - Mortensen, Henrik B

AU - Diabetes Registry, Danish Childhood

N1 - Keywords: Adolescent; Child; Child, Preschool; Denmark; Diabetes Mellitus, Type 1; Female; Forecasting; Humans; Incidence; Infant; Infant, Newborn; Male; Registries; Seasons; Time Factors

PY - 2009

Y1 - 2009

N2 - There is a worldwide increase of type 1 diabetes mellitus (T1DM). In 1996, the Danish population-based registry was initiated including all newly diagnosed children aged 0-15 yr. This is the report of incidence and seasonal variation for the first 10 yr of the registry. The data was analyzed using Poisson's regression analysis. A total of 2166 children with diabetes were diagnosed before the age of 15 yr between 1996 and 2005. In this period, the annual increase in childhood T1DM was 3.43% (95% confidence interval: 1.91-4.97), which was unaffected by age and gender. Seasonal variation in incidence rates varied by year but not by age and gender. In conclusion, there is a steep increase in incidence of childhood T1DM in Denmark; the increase is comparable with the increase seen in other European countries. There is a significant seasonal variation that changes on a year-to-year basis. The observed variations in cadence rates may be associated with viral epidemics, sunshine exposure, or vitamin D levels and suggest further exploration of these relations.

AB - There is a worldwide increase of type 1 diabetes mellitus (T1DM). In 1996, the Danish population-based registry was initiated including all newly diagnosed children aged 0-15 yr. This is the report of incidence and seasonal variation for the first 10 yr of the registry. The data was analyzed using Poisson's regression analysis. A total of 2166 children with diabetes were diagnosed before the age of 15 yr between 1996 and 2005. In this period, the annual increase in childhood T1DM was 3.43% (95% confidence interval: 1.91-4.97), which was unaffected by age and gender. Seasonal variation in incidence rates varied by year but not by age and gender. In conclusion, there is a steep increase in incidence of childhood T1DM in Denmark; the increase is comparable with the increase seen in other European countries. There is a significant seasonal variation that changes on a year-to-year basis. The observed variations in cadence rates may be associated with viral epidemics, sunshine exposure, or vitamin D levels and suggest further exploration of these relations.

U2 - 10.1111/j.1399-5448.2008.00483.x

DO - 10.1111/j.1399-5448.2008.00483.x

M3 - Journal article

C2 - 19067889

SN - 1399-543X

VL - 10

SP - 248

EP - 254

JO - Pediatric Diabetes

JF - Pediatric Diabetes

IS - 4

ER -

Long-term trends in the incidence of type 1 diabetes in Denmark: the seasonal variation changes over time

Abstract

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