
Average

Median

SD

5%

95%

IQR


Air pollution measure

BC (μg/m^{3})

0.83

0.73

0.43

0.31

1.62

0.55

CO (ppm)

0.43

0.40

0.26

0.11

0.92

0.31

NO (ppm)

0.02

0.01

0.02

0.01

0.06

0.01

NO_{2} (ppm)

0.02

0.02

0.01

0.01

0.03

0.01

HRV measure^{a}

ln(SDNN)

3.7

3.6

0.8

2.6

5.2

1.0

ln(rMSSD)

3.5

3.2

1.1

2.1

5.6

1.5

ln(HF)

4.9

4.6

2.0

2.2

8.8

2.7

ln(LF)

4.8

4.6

1.6

2.6

8.0

2.0

ln(LF/HF)

−0.1

0.0

1.1

−2.0

1.7

1.5


^{a}log transformed HRV measures; SDNN, 5min SD of normaltonormal intervals; rMSSD, square root of the mean squared differences of successive normaltonormal intervals; HF, highfequency HRV; LF, lowfrequency HRV; LF/HF, ratio of LF and HF.