Income-Related Disparities in Mortality Among Young Adults With Type 2 Diabetes
Authors' conclusion
In this cohort study of 1 240 780 individuals aged 20 to 79 years, the risk of mortality with low income was most prominent among individuals with T2D aged 20 to 39 years. These findings highlight the need for socioeconomic support to reduce income-related health disparities in younger individuals.
Study context
- Population
- Adults aged 20 to 79 years diagnosed with T2D 2008–2013 in South Korea, followed up until December 31, 2019, and age- and sex-matched controls without diabetes; mean (SD) age 56.9 (11.8) years, 50.5% men604,975 with T2D
- Participants
- 1,240,780 adults
- Exposure
- Low vs middle vs high income among adults with T2D, by age group
- Outcome
- Risks of all-cause, cardiovascular and cancer mortality by income level and age group
Methodological detailsnationwide, age- and sex-matched controls without diabetes
- Nationwide
- Age- and sex-matched controls without diabetes
Main finding
As reported in the abstract
All-cause mortality, low vs high income, patients with T2D, by age group
Low income vs High incomeAdjusted hazard ratio (95% CI)
Aged 20 to 39 years
2.88(2.25–3.69)
Aged 40 to 59 years
1.90(1.81–2.00)
Aged 60 to 79 years
1.26(1.23–1.29)
- Comparison of risk ratios between age groups
- P < 0.001 for comparing risk ratios between age groups
Observational data: associations, not effects.
Further findings
- Pattern of income-related disparities in younger individuals observed in cardiovascular mortality but less in cancer mortality
Original publication
Income-Related Disparities in Mortality Among Young Adults With Type 2 Diabetes. JAMA Netw Open. Published 4 November 2024. doi:10.
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