Table 2

Percentage increase (95% CI) in respiratory emergency room admissions (RERA) per each increase in 10 μg/m3 of sulphur dioxide, according to the regression model

Regression model
RERAAgeFixed effectsRandom effects
Asthma0–141.3 (0.4 to 2.2)1.3 (0.4 to 2.2)
Asthma15–640.0 (−0.9 to 1.0)0.0 (−0.9 to 1.0)
COPD + asthma>640.6 (0.0 to 1.2)0.4 (−0.6 to 1.2)
All respiratory>640.5 (0.1 to 0.9)0.4 (−0.4 to 1.2)