Table 4 Percent change in the number of Psychiatric Emergency Visits (PEVs) with their 95% Confidence Intervals for an increase in 10 μg/m3 in lag 0 of the air pollutant for Single and Multi-pollutant models during the colder season (October to March)
Model | PM10 | NO2 | O3 | |
|---|---|---|---|---|
Change PEVs (%) (95% CI) | Change PEVs (%) (95% CI) | Change PEVs (%) (95% CI) | ||
Single Pollutant | Crudea | 1.3 (−1.2–3.9) | 0.5 (−0.9–2.0) | −0.4 (−1.6–0.7) |
Single Pollutant | Adjustedb | 1.6 (−0.9–4.3) | 0.5 (−1.0–2.0) | −0.3 (−1.6–0.9) |
Two-pollutants | ||||
PM10 + NO2 | Crude | 1.1 (−1.5–3.8) | 1.0 (−0.6–2.7) | |
PM10 + NO2 | Adjusted | 1.5 (−1.2–4.2) | 0.8 (−0.9–2.5) | |
PM10 + O3 | Crude | 0.7 (−2.2–3.7) | 0.7 (−1.3–1.4) | |
PM10 + O3 | Adjusted | 1.0 (−0.2–4.1) | 0.2 (−1.1–1.6) | |
NO2 + O3 | Crude | 0.5 (−1.5–2.7) | −0.3 (−1.9–1.3) | |
NO2 + O3 | Adjusted | 0.5 (−2.0–3.0) | −0.3 (−1.9–1.4) | |
Three-pollutants | ||||
PM10 + NO2 + O3 | Crude | 0.5 (−2.5–3.5) | 2.0 (−0.4–4.5) | 0.9 (−1.0–2.8) |
PM10 + NO2 + O3 | Adjusted | 0.8 (−2.3–4.0) | 2.0 (−0.6–4.6) | 1.1 (−0.9–3.1) |