Table 2.
Weather characteristics and pollutant concentrations 24h before lung function assessment for 3162 visits undergone by 1103 men, the Normative Aging Study, 1995–2011.
| Environmental factor | Statistics |
|---|---|
| mean ± SD (percentiles 5, 33, 66, 95) | |
| Temperature 4 hours (°C) | 11 ± 9 (−4, 7, 16, 23) |
| Temperature 3-days MA (°C) | 13 ± 8 (−1, 8, 18, 25) |
| Warm | 19 ± 5 (11, 18, 21, 26) |
| Cold | 6 ± 6 (−3, 4, 9, 16) |
| Relative humidity 4 hours (%) | 74 ± 16 (47, 65, 83, 97) |
| Relative humidity 7-days MA (%) | 68 ± 9 (53, 64, 72, 83) |
| Warm | 70 ± 9 (56, 66, 74, 84) |
| Cold | 67 ± 9 (51, 63, 71, 82) |
| Black carbon 4 hours (μg/m3) | 1.5 ± 1.1 (0.4, 0.9, 1.6, 3.4) |
| Black carbon 7-days MA (μg/m3) | 1.0 ± 0.4 (0.4, 0.7, 1.1, 1.8) |
| Warm | 1.0 ± 0.4 (0.5, 0.8, 1.2, 1.7) |
| Cold | 0.9 ± 0.4 (0.4, 0.7, 1.0, 1.9) |
| Ozone 4 hours (μg/m3) | 31 ± 20 (4, 19, 38, 68) |
| Ozone 7-days MA (μg/m3) | 50 ± 17 (22, 40, 59, 76) |
| Warm | 59 ± 14 (36, 53, 66, 82) |
| Cold | 41 ± 15 (20, 32, 44, 68) |
MA=Moving average 7-days (lag 0–lag 6)