Concomitant exposure to air pollution, green space and noise, and risk of myocardial infarction: a cohort study from Denmark
Authors' conclusion
In a nationwide cohort study, air pollution, noise, and lack of green space were all independently associated with an increased risk of MI. The air pollutant PM2.5 was closest associated with MI risk.
Study context
- Population
- All Danes aged 50 or older, 2005–1771,285 developed myocardial infarction (MI)
- Participants
- 1,964,702 participants
- Exposure
- Exposure to air pollution, road traffic noise and lack of green space
- Outcome
- MI
Methodological detailsnationwide
- Nationwide
Main finding
As reported in the abstract
MI, multi-pollutant analyses
Hazard ratio (95% CI)
PM2.5per IQR
1.026(1.002–1.050)
Noise at most exposed façadeper IQR
1.024(1.012–1.035)
Lack of green space within 150 m of residenceper IQR
1.018(1.010–1.027)
Per IQR, as printed
- All three factors · all three factors contributed significantly
- CRI 1.089 (95% CrI 1.076–1.101)
Observational data: associations, not effects.
Further findings
MI, single-exposure models
- All exposures associated with increased MI risk
Original publication
Concomitant exposure to air pollution, green space and noise, and risk of myocardial infarction: a cohort study from Denmark. Eur J Prev Cardiol. Published 21 September 2023. doi:10.
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