Modification of associations between yearly road traffic at the residential address at time of diagnosis and risk for incident MI by baseline characteristics and age at diagnosis.

IRR, incidence rate ratio; CI, confidence interval; dB, decibel.aAdjusted for age, sex, lifestyle confounders (smoking status, smoking duration, smoking intensity, intake of fruit, vegetables and alcohol, BMI and physical activity), calendar year, education, railway and airport noise, and air pollution (NOx).