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Table 3 Distribution of annual average air pollution concentrations at the participants’ birth address and current home address, and for the period between the 4- and 8-year Rint measurements

From: Air pollution and airway resistance at age 8 years – the PIAMA birth cohort study

 

Min

P25

Median

Mean

P75

Max

N

Annual average birth address

 NO2 [μg/m3]

9.4

18.9

23.3

23.4

27.3

48.1

975

 NOx [μg/m3]

16.5

27.6

33.5

34.8

38.8

88.9

975

 PM2.5 [μg/m3]

15.3

15.7

16.5

16.4

16.8

21.1

975

 PM10 [μg/m3]

23.7

24.1

24.7

25.0

25.4

33.2

975

 PMcoarse [μg/m3]

7.6

7.8

8.1

8.4

8.7

13.0

975

 PM2.5 absorbance [10− 5/m]

0.85

1.09

1.24

1.25

1.36

2.99

975

Annual average at current addressa

 NO2 [μg/m3]

9.4

18.2

22.7

22.6

26.6

52.1

965

 NOx [μg/m3]

16.5

26.1

32.1

33.3

37.3

100.1

965

 PM2.5 [μg/m3]

14.9

15.6

16.5

16.4

16.8

19.3

965

 PM10 [μg/m3]

23.7

24.0

24.6

24.8

25.2

29.8

965

 PMcoarse [μg/m3]

7.6

7.8

8.0

8.3

8.5

11.2

965

 PM2.5 absorbance [10−5/m]

0.85

1.06

1.22

1.22

1.33

2.13

965

Annual average for the period between the 4- and 8-year Rint measurementb

 NO2 [μg/m3]

9.4

19.1

23.0

22.9

26.7

40.4

519

 NOx [μg/m3]

16.5

27.0

32.8

33.9

37.8

82.7

519

 PM2.5 [μg/m3]

15.3

15.8

16.5

16.4

16.8

20.4

519

 PM10 [μg/m3]

23.7

24.1

24.6

24.9

25.2

33.3

519

 PMcoarse [μg/m3]

7.6

7.8

8.1

8.3

8.5

11.9

519

 PM2.5 absorbance [10−5/m]

0.85

1.09

1.24

1.23

1.33

1.99

519

  1. aAt the time of the 8-year Rint measurement
  2. bonly for participants with successful Rint measurements at both, ages 4 and 8 years