Infective endocarditis and the association to income as a proxy for socioeconomic position: A Danish nationwide register-based cohort study
Main finding · Infective endocarditisResult — go to the resultIncidence rate ratio 1.58 CI 1.43–1.75Authors' conclusion
In a nationwide population, a significant association between low income and increasing incidence of infective endocarditis was observed. The association was most evident in younger individuals.
Study context
- Population
- All Danish residents above 30 years of age, January 1, 2007 through December 31, 2017individuals (median age = 47 years), median follow-up of 11 years
- Participants
- 3,524,314 participants
- Exposure
- Lowest vs highest income group
- Outcome
- Infective endocarditis
- Follow-up
- Median 11 years
Methodological detailstime-updated estimates of disposable income, multivariate Poisson Regression analyses
- Time-updated estimates of disposable income
- Multivariate Poisson Regression analyses
Main finding
As reported in the abstract
Incidence rate ratio
1.58
CI 1.43–1.75
Lowest income group vs highest income group
IRR 1.58 (CI 1.43–1.75)
- Declining level of income was associated with increasing incidence rates of infective endocarditis, spanning from 7 to 20 events/100,000 person-years
- 7 to 20 events/100,000 person-years
Observational data: associations, not effects.
Further findings
- The association between decreasing income and increasing IRR of infective endocarditis was present across all age groups, although the association was strongest in the young population
Original publication
Infective endocarditis and the association to income as a proxy for socioeconomic position: A Danish nationwide register-based cohort study. Am Heart J. Published 5 April 2025. doi:10.
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