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Table 4 Adjusted posterior estimates of % change in mean parasympathetic tone associated with an IQR a increase in traffic, by patient characteristics [diabetic status (doctor’s diagnosis of diabetes or fasting blood glucose (FBG) >126 mg/dL, vs. no diagnosis or FBG ≤126 mg/dL), and obesity (body mass index (BMI) ≥ 30, <30)]

From: Structural equation modeling of parasympathetic and sympathetic response to traffic air pollution in a repeated measures study

S T R U C T U R A L E Q U A T I O N M O D E L

Effect modifier

Moving average

% change in mean

95% PI

Posterior probabilityb

Effect modifier

Moving average

% change in mean

95% PI

Posterior probabilityb

Diabetic

4-hr

−22.1

(−50.9, 22.7)

0.86

Diabetic

4-hr

−23.2

(−60.0, 51.1)

0.78

 

24-hr

−41.9

(−66.3, -0.4)

0.98

Obese

24-hr

−42.1

(−72.5, 18.5)

0.93

 

48-hr

−44.3

(−67.7, -4.2)

0.98

 

48-hr

−47.0

(−74.7, 7.5)

0.96

 

72-hr

−42.2

(−65.2, -6.7)

0.99

 

72-hr

−52.7

(−74.8, -11.6)

0.99

Non-Diabetic

4-hr

5.9

(−15.7, 34.0)

0.31

Non-Diabetic

4-hr

−8.6

(−40.0, 40.2)

0.66

 

24-hr

14.8

(−11.7, 49.1)

0.15

Obese

24-hr

11.7

(−31.7, 81.7)

0.32

 

48-hr

7.7

(−18.0, 41.4)

0.30

 

48-hr

4.6

(−33.2, 100.2)

0.32

 

72-hr

10.2

(−15.4, 43.4)

0.23

 

72-hr

−0.8

(−39.3, 63.4)

0.51

Obese

4-hr

−13.3

(−40.5, 26.2)

0.78

Diabetic

4-hr

−25.6

(−59.1, 35.4)

0.83

 

24-hr

−7.8

(−38.8, 39.3)

0.65

Non-Obese

24-hr

−44.2

(−74.3, 21.3)

0.93

 

48-hr

−13.2

(−45.5, 36.9)

0.72

 

48-hr

−41.3

(−73.7, 30.9)

0.91

 

72-hr

−26.8

(−52.5, 12.1)

0.92

 

72-hr

−24.6

(−60.9, 43.2)

0.81

Non-Obese

4-hr

6.3

(−16.7, 36.1)

0.32

Non-Diabetic

4-hr

11.8

(−14.3, 45.7)

0.20

 

24-hr

7.6

(−19.0, 43.5)

0.31

Non-Obese

24-hr

17.1

(−13.4, 57.0)

0.15

 

48-hr

1.0

(−24.0, 35.4)

0.48

 

48-hr

7.7

(−19.6, 46.5)

0.31

 

72-hr

8.5

(−17.7, 44.2)

0.28

 

72-hr

13.9

(−14.9, 52.3)

0.19

  1. aInterquartile range (IQR): 4-hr = 0.88; 24-hr = 0.52; 48-hr = 0.43; 72-hr = 0.36.
  2. bPosterior probability that γ 1 < 0.