Differences in glycosylated haemoglobin (HbA1c) according to ethnic group are apparent in New Zealand children and adolescents with diabetes, according to a national benchmarking report. All cases of T1D and T2D from 13 regional KiwiDiab centres were collated for 2023. Of 1849 children and adolescents, 88.8% had T1D, with a mean age at diagnosis of 9 years. Ethnicity was New Zealand European (69%), Māori (16%) and Pacific peoples (8.3%). Mean HbA1c was 7.5% for any insulin pump use, compared with 8.7% for multiple daily injections and 11% for twice-daily insulin (p < 0.001). While HbA1c was similar across ethnic groups for those using an insulin pump, it was higher in Māori and Pacific peoples on multiple daily or twice-daily injections compared with those of European or Asian ethnicity (p<0.001). T2D was present in 8.2% of children and adolescents, with a mean age at diagnosis of 13 years. Ethnicity was Pacific peoples in 42% and Māori in 38%.
