Environment & Health
Pollution sources differ in links to irregular heartbeat risk
For sulfate particles, the hazard ratio—a relative risk measure—was 1.056 per exposure increase spanning the middle half of levels, compared with lower exposure.For sulfate particles, the hazard ratio—a relative risk measure—was 1.056 per exposure increase spanning the middle half of levels, compared with lower exposure.
Cohort · 26,300,000 peoplePopulations
Who was studied26,300,000 older US Medicare beneficiaries, 2000–2019
What changedIrregular heartbeat risk was higher with greater sulfate-particle exposure (hazard ratio 1.056)
The catchExposure estimates used ZIP codes rather than individual measurements