Table 3 The percentage change and 95% CI in mortality from COPD associated with a 10 μg/m3 increase in air pollutant concentrations at lag 0–15 days.

From: The burden of COPD mortality due to ambient air pollution in Guangzhou, China

Factors

PM10

SO2

NO2

All

1.58 (0.12–3.06)

3.45 (1.30–5.66)

2.35 (0.42–4.32)

Age (years)

 <65

−3.02 (−9.04–3.39)

−1.22 (−9.86–8.25)

−6.52 (−14.12–1.75)

 ≥65

1.83 (0.32–3.37)

3.77 (1.54–6.06)

2.86 (0.86–4.90)

Gender

 Male

2.04 (0.19–3.93)

4.47 (1.72–7.30)

2.75 (0.30–5.27)

 Female

0.91 (−1.42–3.29)

1.93 (−1.47–5.45)

1.76 (−1.31–4.92)

Educational attainment

 Low

2.21 (0.48–3.96)

3.57 (1.04–6.16)

2.90 (0.64–5.22)

 High

0.14 (−2.68–3.04)

2.90 (−1.31–7.29)

0.97 (−2.80–4.88)