Table 2.

Relation between respiratory, and cardiac symptoms and PM_exhaust exposure.

	OR3 (95% CI4)
	Per 1 μg·m−3 increase in exposure	Per increase in exposure corresponding to the fifth to the 95thpercentile
Cough1	1.01 (0.28–3.64)	1.00 (0.75–1.34)
Chronic bronchitis1	0.78 (0.53–11.44)	0.95 (0.87–1.73)
Non–allergic rhinitis1	1.79 (0.45–7.17)	1.14 (0.83–1.56)
Wheezing1	1.99 (0.36–11.83)	1.17 (0.79–1.75)
Chest tightness1	2.34 (0.48–11.48)	1.21 (0.85–1.74)
Shortness of breath1	2.92 (0.46–18.65)	1.27 (0.84–1.94)
Cardiac diseases1	7.56 (1.40–40.68)	1.58 (1.08–2.31)
Cardiac diseases2	9.04 (1.62–50.42)	1.64 (1.12–2.43)
Hypertension1	4.65 (0.76–28.41)	1.42 (0.94–2.13)

¹Logistic regression model was adjusted for gender, age, body mass index (BMI), and smoking.

²Logistic regression model was also adjusted for high blood pressure.

³Odds ratio (OR)

⁴Confidence interval (CI)