From the Journals

Sharpest spikes in pediatric diabetes seen in Asian, Pacific Islander youth


 

FROM THE MORBIDITY AND MORTALITY WEEKLY REPORT

The incidence of type 1 diabetes rose at a steady 1.9% per year, and the incidence of type 2 diabetes at a constant rate of 4.9% per year, from 2002 to 2015, according to a review of almost 70,000 children in the SEARCH for Diabetes in Youth Study, an ongoing, population-based surveillance project of individuals younger than 20 years.

“For both type 1 and type 2 diabetes, the rates of increase were generally higher among racial/ethnic minority populations than those among whites,” wrote the investigators, led by Jasmin Divers, PhD, of the division of health services research, department of foundations of medicine, at New York University. “These findings highlight the need for continued surveillance for diabetes among youths to monitor overall and group-specific trends, identify factors driving these trends, and inform health care planning.”

SEARCH identified 14,638 cases of pediatric type 1 diabetes and 3,916 cases of type 2 diabetes from 2002 to 2015. The study draws participants from all 64 counties in Colorado, plus selected Indian reservations in Arizona and New Mexico under the direction of Colorado; all 46 counties in South Carolina; 8 in Ohio; 5 in Washington; and Kaiser Permanente Southern California health plan enrollees in 7 counties.

The investigators found steeper increases in age- and sex-adjusted incidence of type 1 diabetes from 2002 to 2015 among black youth (2.7% per year), Hispanic youth (4%), and Asian and Pacific Islander youth (4.4%), than among their white counterparts (0.7%). Incidence among Asians and Pacific Islanders did not change significantly during 2002-2010, but increased steeply during 2011-2015 (8.5% per year) for unknown reasons.

“In parallel with increased obesity prevalence in U.S. youths, the incidence of type 2 diabetes among adolescents has increased at a higher rate than that of type 1 diabetes, especially among racial-/ethnic-minority youths,” the authors noted.

The number of new cases of type 2 diagnosed in children younger than 10 years were too few to report on (181 total cases during 2002-2015), so the incidence analysis was limited to children who were aged 10-19 years at diagnosis. The steepest annual percentage changes were among Asians and Pacific Islander youth (7.7% per year), followed by Hispanic (6.5%), black (6.0%), and American Indian (3.7%) youth.

“Although the SEARCH population is similar demographically to the U.S. youth population, it is not designed to be nationally representative,” which is one of the limitations of the study, the investigators wrote.

The authors reported having no conflicts of interest.

SOURCE: Divers J et al. MMWR Morb Mortal Wkly Rep. 2020;69:161-5.

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