Table 2.
Percent change (mean and 95% confidence intervals) in daily outpatient visits for eczema associated with 10 unit change of environmental variables using different lag days.
| Lags | Mean and 95% CI | ||||
|---|---|---|---|---|---|
| PM10 | SO2 | Temperature | Humidity | NO2 | |
| 0 | 0.40 (0.18, 0.61) | 0.97 (0.40, 1.54) | 8.44 (4.66, 12.22) | −2.70 (−3.98, −1.41) | 2.15 (1.54, 2.76) |
| 1 | 0.29 (0.08, 0.50) | 0.87 (0.32, 1.41) | 3.58 (−0.18, 7.34) | −3.89 (−5.15, −2.64) | 1.56 (0.94, 2.17) |
| 2 | 0.23 (0.01, 0.44) | 0.74 (0.20, 1.27) | 2.05 (−1.75, 5.85) | −4.06 (−5.28, −2.86) | 0.82 (0.21, 1.43) |
| 3 | 0.25 (0.03, 0.46) | 0.87 (0.35, 1.40) | 2.30 (−7.18, 11.78) | −4.62 (−5.80, −3.45) | 0.68 (0.06, 1.28) |
| 4 | 0.20 (−0.01, 0.42) | 0.96 (0.43, 1.48) | 4.84 (1.05, 8.62) | −4.64 (−5.81, −3.46) | 0.48 (−0.12, 1.09) |
| 5 | 0.19 (−0.02, 0.41) | 0.84 (0.32, 1.37) | 4.14 (0.36, 7.92) | −4.09 (−5.27, −2.91) | 0.27 (−0.33, 0.87) |
| 6 | 0.18 (−0.04, 0.40) | 0.51 (−0.01, 1.04) | 3.35 (−0.41, 7.11) | −2.88 (−4.06, −1.69) | −0.02 (−0.62, 0.58) |
| 06 | 0.81 (0.39, 1.22) | 2.22 (1.27, 3.16) | 2.54 (−3.82, 8.90) | −10.86 (−12.89, −8.83) | 2.31 (1.17, 3.45) |
Abbreviations: PM10, particulate matter no greater than 10 microns; SO2, sulfur dioxide; NO2, nitrogen dioxide; CI, confidence interval.