Exposure effect estimates: single pollutant models
| Pollutant | Change in FeNO (ppb) for an interquartile change in pollutant measure* | ||
|---|---|---|---|
| Current hour | 24 hour MA | ||
| MA = moving average. | |||
| *Corrected for subject, week of study, day of week, hour of day, and 24 hour mean temperature, pressure, and relative humidity. Significant effects (p<0.05) are shown in bold. | |||
| PM2.5 | Effect (95% CI) | 1.36 (0.58 to 2.14) | 1.45 (0.33 to 2.57) |
| N | 253 | 282 | |
| p value | 0.0008 | 0.012 | |
| NO | Effect (95% CI) | 0.40 (0.01 to 0.79) | 0.83 (0.26 to 1.40) |
| N | 213 | 241 | |
| p value | 0.047 | 0.0046 | |
| NO2 | Effect (95% CI) | 0.00 (−0.77 to 0.78) | 0.53 (−0.35 to 1.41) |
| N | 138 | 177 | |
| p value | 0.99 | 0.24 | |
| O3 | Effect (95% CI) | −0.92 (−1.93 to 0.08) | −0.30 (−1.36 to 0.75) |
| N | 229 | 256 | |
| p value | 0.074 | 0.57 | |
| SO2 | Effect (95% CI) | 0.09 (−0.22 to 0.41) | 0.24 (−0.61 to 1.10) |
| N | 243 | 278 | |
| p value | 0.56 | 0.58 | |