Type 2 diabetes slowly rising in Auckland kids

Type 2 diabetes slowly rising in Auckland kids – Pacific and Māori have highest rates
New research shows increasing numbers of children and teens under 15 in Auckland are developing type 2 diabetes, and that rates among Pacific and Māori children are up to 18 times higher than for European children.
The findings are based on 21 years of patient records from Starship Paediatric Diabetes Service. Says study lead Dr Craig Jefferies: “People still don’t think kids get diabetes, let alone type 2 diabetes.”

Type 2 diabetes is linked to lifestyle factors and more usually develops in adulthood. Until recently it was extremely rare to see a child or teenager with type 2 diabetes – the first childhood cases were identified in New Zealand only in the 1990s, he says.

Dr Jefferies is a paediatric endocrinologist at Starship Child Health and Liggins Institute researcher. At the Starship Paediatric Diabetes Service, which provides care for all newly diagnosed children and young people in the Auckland region, he has seen children as young as 10 present with type 2 diabetes.

“The current rate at which the type 2 diabetes incidence is increasing is similar to the increase in the type 1 diabetes population, which is 3-5 percent per year. So this is a slow and steady incidence increase.”

The study found that from 1995 to 2015, the service treated 104 young people for with Type 2 Diabetes, giving an overall incidence of 1.5 per 100,000. But that jumps to 3.6 per 100,000 for Pacific Island youth and 3.3 per 100,000 for Māori, compared to 1.4 per 100,000 in Asian/Middle eastern children and almost no cases in Europeans (0.2 per 100,000). Girls and children from poorer households were also over-represented.

“The ethnic differences are striking and are partly related to differences in the rates of overweight and obesity – although, as the differences in weight problems between ethnic groups is smaller than the differences in type 2 diabetes rates, weight is not the whole picture.
We are also seeing increases in Asian youth that were not seen before – though this may reflect immigration patterns,” says Dr Jefferies.

“Some families are shocked by the diagnosis – they don’t see diabetes as a childhood disease. In other families, where lots of other family members already have it, there’s almost a sense of fatalism. But if you pick it up early, you can manage it through diet, exercise and medication.

“Our findings are a reminder for parents, schools and healthcare professionals to keep an eye out for symptoms of diabetes in young people.”

Type 1 diabetes, an auto-immune condition which cannot be prevented but can be managed through a healthy lifestyle, is about five times more common than type 2 diabetes in young people.

Symptoms of both types of diabetes may include: feeling tired and lacking energy; losing weight; feeling thirsty; going to the toilet often; waking at night to go to the toilet; wetting the bed when previously dry; and getting frequent infections, or infections that are hard to heal. People with these symptoms should see a doctor.

The study is published in the Journal of Paediatrics and Child Health. Study authors are from Starship Child Health, the Auckland District Health Board, the Liggins Institute, and the University of Auckland’s Faculty of Medical and Health Sciences.

Associated article:
Journal of Paediatrics and Child Health: Increasing incidence of type 2 diabetes in New Zealand children <15 years of age in a regional-based diabetes service, Auckland, New Zealand

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