Table 5

Pollution and daily admissions for respiratory diseases (% change (95% CI) for pollution increment from 10–90th percentile, mean lag 0+1 days)

Pollutant	All ages % change (95% CI)	p Value	Interaction with season p value	Age 0–14 % change (95% CI)	p Value	Interaction with season p value	Age 15–64 % change (95% CI)	p Value	Interaction with season p value	Age ⩾65 % change (95% CI)	p Value	Interaction with season p value
PM₁₀	1.5 (−0.7 to 3.6)	0.2	0.2	3.9 (0.6 to 7.4)	0.02	0.8	0.1 (−4.0 to 4.4)	0.96	0.8	−1.1 (−4.3 to 2.1)	0.5	0.003
PM_2.5	1.2 (−0.9 to 3.4)	0.3	0.1	3.4 (−0.1 to 7.0)	0.05	0.6	−2.1 (−6.4 to 2.4)	0.4	0.3	−1.3 (−4.7 to 2.2)	0.5	0.0009
PM_2.5–10	0.2 (−2.5 to 3.1)	0.9	0.5	4.4 (−0.3 to 9.4)	0.07	0.5	−4.9 (−9.9 to 0.4)	0.07	0.5	−1.9 (−6.0 to 2.5)	0.4	0.007
BS	2.1 (−0.1 to 4.2)	0.06	0.08	3.9 (0.7 to 7.3)	0.02	0.2	1.2 (−3.1 to 5.6)	0.6	0.6	−0.3 (−3.5 to 3.0)	0.9	0.01
SO₄ ²⁻	0.8 (−1.3 to 2.9)	0.4	0.08	1.5 (−1.7 to 4.9)	0.4	0.8	0.5 (−3.4 to 4.7)	0.8	0.3	−1.3 (−4.4 to 2.0)	0.5	0.0005

NO₂	1.7 (−0.2 to 3.7)	0.09	0.02	2.3 (−0.6 to 5.3)	0.1	0.6	0.0 (−3.7 to 3.8)	0.997	0.7	1.0 (−1.8 to 3.9)	0.5	0.01
O₃	−2.4 (−5.3 to 0.6)	0.1	0.1	−5.2 (−9.7 to −0.5)	0.03	0.9	−2.8 (−7.7 to 2.4)	0.3	0.08	0.2 (−4.1 to 4.8)	0.9	0.4
SO₂	1.3 (−0.7 to 3.4)	0.2	0.5	4.6 (1.4 to 7.8)	0.004	0.1	−0.9 (−4.8 to 3.3)	0.7	0.5	−2.0 (−4.9 to 1.1)	0.2	0.5
CO	0.3 (−1.1 to 1.7)	0.7	0.6	1.5 (−0.6 to 3.6)	0.2	0.5	−0.7 (−3.6 to 2.3)	0.7	0.1	0.0 (−2.1 to 2.1)	0.99	0.3