Coronary disease & ACSCohort study

Concomitant exposure to air pollution, green space and noise, and risk of myocardial infarction: a cohort study from Denmark

Eur J Prev CardiolPublished

  • Prospective cohort study
  • nationwide

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

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:10.1093/eurjpc/zwad306

Summarised from the published abstract; every number is checked against it