Incidence of Diabetes Among Youth Before and During the COVID-19 Pandemic
Authors' conclusion
In this cohort study of youth in KPSC, incidence of diabetes increased during the COVID-19 pandemic and was more pronounced in specific racial and ethnic groups. Future research to understand differential impacts of physiologic and behavioral risk factors is warranted.
Study context
- Population
- Kaiser Permanente Southern California (KPSC) members aged from birth to 19 years with no history of diabetes, January 1, 2016 to December 31, 2021
- Exposure
- Diabetes incidence 2020 to 2021 vs 2016 to 2019
- Outcome
- Age- and sex-standardized incidence rates per 100 000 person-years (PYs) of T1D and T2D; IRRs comparing 2020 to 2021 with 2016 to 2019
Methodological detailselectronic health records, Poisson regression with robust error variances, adjusted for health care utilization
- Electronic health records
- Poisson regression with robust error variances
- Adjusted for health care utilization
Main finding
As reported in the abstract
T1D incidence, 2016 to 2019
18.5 per 100 000 PYs
T1D incidence, 2020 to 2021
22.4 per 100 000 PYs
T2D incidence, 2016 to 2019
14.8 per 100 000 PYs
T2D incidence, 2020 to 2021
24.7 per 100 000 PYs
Observational data: associations, not effects.
Further findings
T1D IRRs by subgroup
- Increased IRRs among individuals aged 10 to 19 years, male individuals and Hispanic individuals
T2D IRRs by subgroup
- Increased IRRs among individuals aged 10 to 19 years, male and female individuals, and those with Black, Hispanic and other/unknown race and ethnicity
Cases 2016 to 2021 by diabetes type
- T1D cases (mean [SD] age 11.0 [4.5] years; 687 [57.3%] male)
- 1200
- T2D cases (mean [SD] age 15.7 [2.7] years; 516 [46.9%] male)
- 1100
- Other diabetes cases
- 63
Original publication
Incidence of Diabetes Among Youth Before and During the COVID-19 Pandemic. JAMA Netw Open. Published 5 September 2023. doi:10.
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