Percentage change in number of consultations for upper respiratory disease (excluding allergic rhinitis) by age group and season
| All year | Warm season | Cool season | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Age group | Pollutant | Single Lag | % Change in number of consultations (95% CI) | p Value | % Change in number of consultations (95% CI) | p Value | % Change in number of consultations (95% CI) | p Value | p Value for seasonal effect |
| Percentage change in number of consultations for 10–90th percentile change in each pollutant presented at its most significant single lag for all year, warm (April–September) and cool (October–March) seasons. | |||||||||
| Summary of pollutant measures: (10th percentile, 90th percentile, 90th–10th for all year, warm, and cool season), daily measure and units of measurement: NO2 (22,46,24) (21,47,26) (24,46,22) 24 hour average (ppb); O3 (4,30,26) (10,38,28) (4,23,19) 8 hour moving average (ppb); SO2 (13,31,18) (13,28,15) (13,33,20) 24 hour average (μg/m3); BS (6,22,16) (5,16,11) (6,28,22) 24 hour average (μg/m3); CO (0.5,1.3,0.8) (0.4,1.0,0.6) (0.5,1.6,1.1) 24 hour average (ppm); PM10 (16,47,31) (16,46,30) (15,47,32) 24 hour average (μg/m3). All p values have been rounded to one significant digit. | |||||||||
| Ages 0–14 | NO2 | 3 | 2.0 (−0.3 to 4.3) | 0.08 | 2.5 (−0.9 to 6.1) | 0.2 | 1.7 (−1.1 to 4.6) | 0.2 | 0.4 |
| O3 | 3 | −3.6 (−6.3 to −0.8) | 0.01 | −2.2 (−5.3 to 1.0) | 0.2 | −5.7 (−8.5 to −2.9) | 0.0001 | 0.9 | |
| SO2 | 0 | 3.5 (1.4 to 5.8) | 0.001 | 3.2 (−0.5 to 7.0) | 0.09 | 5.5 (2.4 to 8.7) | 0.0005 | 0.2 | |
| BS | 1 | −2.4 (−4.4 to −0.3) | 0.03 | 3.5 (0.3 to 6.9) | 0.03 | −3.3 (−6.0 to −0.6) | 0.02 | 1.0 | |
| CO | 1 | −2.2 (−4.0 to −0.3) | 0.03 | 2.9 (−0.6 to 6.4) | 0.1 | −2.5 (−4.9 to 0.1) | 0.06 | 0.04 | |
| PM10 | 3 | 2.0 (−0.2 to 4.2) | 0.07 | 1.1 (−2.4 to 4.8) | 0.5 | 2.7 (−0.1 to 5.5) | 0.06 | 0.5 | |
| Ages 15–64 | NO2 | 2 | 5.1 (2.0 to 8.3) | 0.001 | 6.7 (3.7 to 9.8) | 0.00001 | 1.2 (−1.3 to 3.9) | 0.3 | 0.07 |
| O3 | 3 | −5.3 (−8.4 to −2.0) | 0.002 | −1.9 (−4.5 to 0.9) | 0.2 | −4.1 (−6.6 to −1.5) | 0.002 | 0.1 | |
| SO2 | 1 | 3.5 (0.5 to 6.5) | 0.02 | 4.6 (1.5 to 7.7) | 0.003 | 2.7 (0.0 to 5.4) | 0.05 | 0.4 | |
| BS | 1 | 3.5 (0.6 to 6.4) | 0.02 | 6.6 (3.6 to 9.6) | 0.00001 | 1.5 (−0.9 to 4.1) | 0.2 | 0.3 | |
| CO | 1 | 2.7 (0.1 to 5.5) | 0.05 | 7.9 (4.8 to 11.1) | <0.00001 | 0.6 (−1.6 to 2.9) | 0.6 | 0.1 | |
| PM10 | 2 | 5.7 (2.9 to 8.6) | 0.00007 | 6.0 (2.7 to 9.4) | 0.0003 | 3.6 (1.0 to 6.4) | 0.007 | 0.03 | |
| Ages ≥65 | NO2 | 2 | 8.7 (3.8 to 13.8) | 0.0004 | 6.6 (−1.1 to 14.9) | 0.09 | 9.4 (2.8 to 16.4) | 0.005 | 0.1 |
| O3 | 2 | −8.3 (−13.3 to −3.0) | 0.002 | −0.6 (−6.1 to 5.1) | 0.8 | −7.9 (−12.9 to −2.7) | 0.003 | 0.2 | |
| SO2 | 3 | 4.6 (0.4 to 9.0) | 0.03 | 1.6 (−4.8 to 8.5) | 0.6 | 5.7 (0.4 to 11.4) | 0.04 | 0.6 | |
| BS | 2 | 8.8 (4.6 to 13.3) | 0.00004 | 2.8 (−3.9 to 10.1) | 0.4 | 9.9 (3.7 to 16.3) | 0.001 | 0.02 | |
| CO | 3 | 5.8 (2.4 to 9.3) | 0.0007 | 4.9 (−1.8 to 12.1) | 0.2 | 5.6 (0.9 to 10.6) | 0.02 | 0.1 | |
| PM10 | 2 | 10.2 (5.3 to 15.3) | 0.00003 | 0.1 (−7.7 to 8.5) | 1.0 | 18.9 (11.7 to 26.7) | <0.00001 | 0.01 | |