Figure 1.
A location map of GOPCs and the air monitoring stations.
Table 1.
Daily number of URTIs consultations at the five GOPCs, and district specific statistics, from 1 Jan 2008 to 31 Dec 2010.
Table 2.
Summary statistics of the four air pollutants in the four monitoring stations from 1 January 2008 to 31 December 2010.
Table 3.
Correlation between pollutants by monitoring station.
Table 4.
Relative risks and 95% CI of the visits to five GOPCs for upper respiratory tract infections (URTIs), per 10 µg/m3 increase in the concentration of air pollutants.