Table 4—

Summary statistics of estimated annual average air pollution concentrations for the home(birth) addresses of the full cohort

PM2.5 μg·m−3Soot/filter absorbance·10−5m−1NO2 μg·m−3
10th percentile14.01.1514.7
25th percentile14.81.3318.2
50th percentile17.31.7826.0
75th percentile18.11.9128.8
90th percentile19.02.1634.4
  • Data include the subjects for whom the questionnaire at 4 yrs was completed and estimated exposures were available, n = 3,532. PM2.5: particles of 50% cut-off aerodynamic diameter of 2.5 μm; NO2: nitrogen dioxide.