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Table 3 Posterior estimates of % change in health effect outcome associated with an IQR a increase in traffic (left) or BC (right)

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 (SEM) B A Y E S I A N L I N E A R M I X E D M O D E L (BLMM)
Exposure/ Outcome Moving average % change in mean 95% PI Posterior probability Exposure/ Outcome Moving average % change in mean 95% PI Posterior probability
Traffic/ 4-hr 0.1 (−19.0, 25.0) 0.50c BC/ 4-hr −4.8 (−14.8, 6.3) 0.81e
Para- 24-hr 3.2 (−19.4, 32.2) 0.40c HFd 24-hr −6.9 (−16.9, 4.5) 0.89e
sympathetic 48-hr −3.0 (−24.7, 25.4) 0.59c   48-hr −3.7 (−13.9, 7.9) 0.74e
toneb 72-hr 2.8 (−19.2, 29.1) 0.40c   72-hr −2.9 (−13.5, 8.9) 0.70e
Traffic/ 4-hr 6.6 (−6.7, 21.8) 0.83g BC/ 4-hr 10.1 (3.0, 17.6) 0.99i
LF/HFf 24-hr 7.2 (−8.0, 25.1) 0.82g LF/HFh 24-hr 6.5 (−0.7, 14.2) 0.96i
  48-hr 6.4 (−9.5, 24.3) 0.78g   48-hr 4.7 (−2.3, 12.2) 0.89i
  72-hr 7.1 (−9.3, 26.0) 0.80g   72-hr 2.7 (−4.2, 10.1) 0.78i
  1. aInterquartile range (IQR): 4-hr = 0.88; 24-hr = 0.52; 48-hr = 0.43; 72-hr = 0.36.
  2. bSEM: effect of traffic pollution on parasympathetic tone.
  3. cPosterior probability that γ 1 < 0.
  4. dBLMM: effect of black carbon on HF.
  5. ePosterior probability that β 1 < 0.
  6. fSEM: effect of traffic pollution on LF/HF.
  7. gPosterior probability that δ 1 > 0.
  8. hBLMM: effect of black carbon on LF/HF.
  9. iPosterior probability that ρ 1 > 0.