Table 2. Effect of long-term traffic-related air pollution exposure (using annual mean of NO₂ as exposure indicator) on risk of acute myocardial infarction (AMI) and hypertension.

Effect per 10 µg/m3 of NO2
AMI			Hypertension
OR	95% CI	p-value	OR	95% CI	p-value
1.78	1.04–3.03	0.03	0.82	0.57–1.19	0.30

*Model covariates are sex, age, age squared, level of education and residential area.

AMI: acute myocardial infarction, OR: odds ratio, CI: confidence interval.