Examining the Shape of the Association between Low Levels of Fine Particulate Matter and Mortality across Three Cycles of the Canadian Census Health and Environment Cohort

Abstract

In a very large population-based cohort with up to 25 y of follow-up, <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mrow><mml:mi>PM</mml:mi></mml:mrow><mml:mrow><mml:mn>2.5</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math> was associated with nonaccidental mortality at concentrations as low as <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mn>5</mml:mn><mml:msup><mml:mrow><mml:mtext> </mml:mtext><mml:mi>μ</mml:mi><mml:mi>g</mml:mi><mml:mo>/</mml:mo><mml:mi>m</mml:mi></mml:mrow><mml:mn>3</mml:mn></mml:msup></mml:mrow></mml:math>. https://doi.org/10.1289/EHP5204.