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Table 5 Slopes (95 % Confidence Intervals) from mixed-effect modelsa between percent changes in health effects and pollutants

From: Repeated measures of inflammation, blood pressure, and heart rate variability associated with traffic exposures in healthy adults

 

PM2.5

PM2.5 EC

PM2.5 OC

PM2.5

PM2.5 EC

PM2.5 OC

 

Post

24 h

Respiratory measurements

eNO

-0.38 (-1.06,0.31)

-1.37 (-3.99.1.25)

-2.08 (-3.70,-0.46)

0.87 (-0.09,1.82)

-0.14 (-4.03,3.74)

-2.14 (-4.49,0.21)

Inflammatory measurements

CRP

0.32 (-1.37,2.01)

1.17 (-5.42,7.75)

-0.29 (-4.41,3.83)

-1.87 (-4.37,0.64)

-4.97 (-14.82,4.88)

-0.44 (-6.57,5.69)

SAA

-0.29 (-1.57,0.99)

-1.15 (-6.00,3.70)

-0.90 (-4.06,2.26)

-2.59 (-4.53,-0.64)

-8.03 (-15.55,-0.52)

-5.47 (-10.23,-0.72)

sICAM

-0.44 (-1.80,0.92)

-0.98 (-6.06,4.09)

-1.13 (-4.41,2.14)

-1.21 (-2.52,0.09)

-0.74 (-5.85,4.37)

-2.13 (-5.43,1.17)

IL-1β

2.66 (-2.29,7.60)

2.32 (-17.15,21.79)

4.38 (-16.15,7.40)

3.82 (-8.12,15.76)

55.09 (10.91,99.27)

-2.23 (-31.45,26.99)

IL-8

0.37 (-0.77,1.52)

-3.80 (-8.21,0.62)

-1.23 (-3.93,1.48)

0.47 (-1.09,2.02)

-1.26 (-7.45,4.92)

-1.92 (-5.71,1.87)

Cortisol

-0.37 (-2.02,1.28)

-0.35 (-6.88,6.18)

1.94 (-1.85,5.72)

-1.06 (-4.18,2.05)

-12.56 (-25.64,0.51)

4.80 (-2.34,11.94)

Blood pressure measurements

SBP

-0.04 (-0.31,0.24)

-1.65 (-2.62,-0.68)

-0.06 (-0.72,0.59)

-0.17 (-0.48,0.14)

-1.70 (-2.81,-0.58)

-0.28 (-1.02,0.47)

DBP

-0.11 (-0.41,0.19)

-0.74 (-1.88,0.40)

0.33 (-1.05,0.39)

-0.25 (-0.67,0.18)

-1.02 (-2.65,0.61)

-0.82 (-1.86,0.22)

PP

0.04 (-0.80,0.89)

-4.43 (-7.53,-1.32)

0.28 (-1.73,2.29)

-0.30 (-1.17,0.58)

-3.99 (-7.77,-0.70)

0.69 (-1.40,2.78)

MAP

-0.07 (-0.32,0.17)

-1.11 (-2.00,-0.22)

-0.20 (-0.78,0.38)

-0.20 (-0.50,0.11)

-1.28 (-2.43,-0.14)

-0.56 (-1.31,0.18)

Heart rate variability measurements

SDNN

0.09 (-0.83,1.01)

0.15 (-3.26,3.57)

0.00 (-2.07,2.07)

-0.39 (-1.28,0.51)

-0.90 (-4.34,2.55)

0.70 (-1.27,2.68)

rMSSD

-0.03 (-0.89,0.82)

-1.86 (-4.99,1.28)

-0.17 (-2.07,1.73)

-0.82 (-1.82,0.18)

-4.35 (-7.89,-0.81)

0.02 (-2.26,2.30)

HF

0.13 (-2.01,2.27)

0.04 (-7.86,7.94)

4.57 (-0.04,9.18)

-0.05 (-3.77,3.67)

-7.57 (-21.92,6.78)

-0.38 (-8.50,7.74)

LF

-0.84 (-4.88,3.20)

-3.22 (-19.10,12.66)

-0.31 (-9.17,8.56)

0.63 (-2.55,3.81)

6.67 (-5.66,18.99)

-0.24 (-7.19,6.71)

LF:HF

2.09 (-11.63,15.81)

24.47 (0.93,48.00)

1.15 (-12.55,14.84)

1.99 (-15.39,19.36)

26.71 (3.82,49.60)

4.73 (-9.13,18.59)

Heart rate

-0.01 (-0.36,0.34)

0.65 (-0.59,1.88)

0.14 (-0.61,0.90)

0.16 (-0.25,0.57)

1.63 (0.25,3.00)

-0.46 (-1.36,0.45)

  1. aThe mixed effect model adjusted for apparent temperature, location, and random subject effects
  2. Percent change was calculated between the pre-exposure measurement and each subsequent measurement (i.e. post or 24 hrs post)