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Table 2 Results of the Bayesian models

From: Cycling in one of the most polluted cities in the world: Exposure to noise and air pollution and potential adverse health impacts in Delhi

  dB(A) (LAeq,1 min) NO2 (µg/m3) Inhalation (µg NO2)
  Est 95% CI Est 95% CI Est 95% CI
Fixed effects
 (Intercept) 76.51 [74.11 78.06] 115.62 [77.90 152.81] 1.73 [− 4.02 7.35]
 Humidity (%) 2.13 [1.56 2.70] 0.11 [0.08 0.17]
 Wind speed (km/h) − 1.60 [− 2.34 − 0.86] − 0.09 − 0.13 − 0.05]
 Intersections crossed (N) − 0.05 [− 0.12 0.02] − 1.84 [− 2.73 − 0.94] − 0.02 [− 0.06 0.02]
 Speed (km/h) − 0.02 [− 0.03 − 0.00] − 1.65 [− 1.87 − 1.44] 0.02 [0.01 0.03]
 Slope (%) 0.00 [− 0.03 0.04] − 0.25 [− 0.82 0.32] − 0.01 [− 0.03 0.02]
Residential street Ref   Ref   Ref  
 Trunk or motorway 4.09 [3.02 5.14] 56.31 [40.55 72.22] 1.82 [0.96 2.71]
 Primary road 3.35 [2.70 4.00] 47.21 [38.96 55.39] 1.28 [0.83 1.73]
 Secondary road 2.42 [1.98 2.86] 36.77 [31.29 42.44] 1.01 [0.72 1.31]
 Tertiary road 1.49 [0.96 1.82] 28.64 [23.64 33.76] 0.75 [0.49 1.02]
 Unclassified or service road 0.75 [0.07 1.42] 3.10 [− 5.10 11.40] 0.07 [− 0.36 0.51]
Random effects (intercept)
 Monday 0.01 [− 0.35 0.40] − 5.32 [− 21.57 11.15] 0.04 [− 1.00 1.10]
 Tuesday 0.09 [− 0.23 0.56] 22.80 [7.08 40.01] 0.84 [− 0.19 1.96]
 Wednesday 0.10 [− 0.22 0.55] − 19.82 [− 36.15 − 3.47] − 1.01 [− 2.09 0.04]
 Friday − 0.07 [− 0.48 0.27] − 3.56 [− 19.65 13.02] 0.08 − 0.96 1.14]
 Saturday − 0.10 [− 0.56 0.23] 9.21 [− 6.90 26.12] 0.06 [− 1.00 1.14]
Participant I 0.68 [− 0.82 3.11] 24.80 [− 1.60 52.70] 3.30 [− 2.17 8.74]
Participant II − 0.34 [− 1.82 2.05] − 43.77 [− 70.17 − 16.08] − 2.34 [− 7.77 3.10]
Participant III 0.40 [− 1.08 2.80] 36.25 [9.36 64.54] − 0.80 [−  6.23 4.60]
Moving average
 MA [1] 0.61 [0.57 0.64] 0.57 [0.54 0.59] 0.68 [0.65 0.71]
 MA [2] 0.20 [0.16 0.23] 0.18 [0.15 0.21] 0.31 [0.27 0.34]
 MA [3] 0.08 [0.05 0.11] 0.08 [0.06 0.10] 0.14 [0.11 0.16]
Bayes marginal R-squared 0.419 [0.401 0.436] 0.397 [0.381 0.413] 0.480 [0.459 0.501]
Bayes conditional R-squared 0.431 [0.414 0.447] 0.516 [0.502 0.524] 0.650 [0.641 0.658]
Waic 20,628   46,503   19,438