Table 1.
Daily hospital admissions for asthma and upper respiratory infections, air pollutants, outdoor pollen, and temperature in New York City, from 1999 to 2009.
Table 2.
Relative risksa of hospital admissions for asthma per 10 ppb increase in ozone concentrations or per 10 μg/m3 increase in PM2.5 concentrations in New York City, from 1999 to 2009.
Fig 1.
Confounding effects of hospital admissions for Upper Respiratory Infections (URI) on the associations between asthma hospital admissions in school-age children and ozone (top) and PM2.5 (bottom).
URI is included in the main model as log-transformed daily counts of all-age URI HA. Squares are point estimates for relative risks of asthma hospital admissions associated with increases in air pollutants. The dashed lines represent ±10% changes in the point estimates from the main model.
Fig 2.
Confounding effects of outdoor pollen on the associations between asthma hospital admissions in school-age children and ozone (top) and PM2.5 (bottom).
Squares are point estimates for relative risks of asthma hospital admissions associated with increases in air pollutants. The dashed lines represent ±10% changes in the point estimates from the main model.
Table 3.
Relative risksa of hospital admissions for asthma per 10 ppb increase in ozone concentrations or per 10 μg/m3 increase in PM2.5 concentrations at Lag 0–1 in New York City, stratified by socioeconomic status, during warm seasons from 2002 to 2006.