Table 1.
Results of linear regression models for L10, Leq, and TNI after adjusting for various predictors.
| Predictors | Mean (SD) |
Regression Coefficients (95% CI) |
||||
|---|---|---|---|---|---|---|
| L10 (dB) | Leq (dB) | TNI (dB) | L10 (R2 = 0.470)a | Leq (R2 = 0.448)a | TNI (R2 = 0.135) | |
| Time slots | ||||||
| 08 a.m. to 12 p.m. | 89.5 (3.3) | 86.4 (3.3) | 85.2 (8.8) | Reference | Reference | Reference |
| 12 p.m.–04 p.m. | 89.5 (2.9) | 87.0 (3.2) | 87.8 (11.4) | −0.02 (−1.24, 1.2) | 0.54 (−0.70, 1.78) | 2.63 (−2.4, 7.71) |
| 04 p.m.–08 p.m. | 90.6 (3.7) | 87.3 (3.4) | 88.6 (12.0) | 1.15 (−0.07, 2.37) | 0.86 (−0.38, 2.11) | 3.37 (−1.7, 8.44) |
| Weekdays | ||||||
| Friday | 89.2 (2.5) | 86.8 (2.6) | 86.8 (10.8) | Reference | Reference | Reference |
| Saturday | 89.5 (3.1) | 86.6 (3.4) | 91.0 (11.0) | 0.27 (−1.6, 2.13) | −0.20 (−2.10, 1.70) | 4.2 (−3.6, 11.95) |
| Sunday | 89.6 (4.0) | 86.8 (4.4) | 85.2 (11.9) | 0.42 (−1.45, 2.28) | 0.06 (−1.84, 1.95) | −1.52 (−9.3, 6.24) |
| Monday | 89.2 (3.9) | 86.1 (4.0) | 83.4 (9.6) | −0.01 (−1.87, 1.85) | −0.65 (−2.54, 1.25) | −3.38 (−11.1, 4.38) |
| Tuesday | 90.5 (3.2) | 87.3 (3.1) | 87.0 (9.5) | 1.33 (−0.54, 3.19) | 0.54 (−1.35, 2.44) | 0.29 (−7.5, 8.04) |
| Wednesday | 90.7 (3.9) | 87.0 (3.2) | 90.9 (12.3) | 1.46 (−0.40, 3.32) | 0.22 (−1.68, 2.12) | 4.18 (−3.6, 11.94) |
| Thursday | 90.4 (2.5) | 87.7 (2.5) | 86.0 (9.3) | 1.15 (−0.71, 3.02) | 0.96 (−0.93, 2.86) | −0.77 (−8.5, 6.98) |
| Road Intersections | ||||||
| Bus Terminal | 90.3 (3.1) | 87.6 (3.1) | 87.1 (13.5) | Reference | Reference | Reference |
| Kolatoli Circle | 91.5 (2.8) | 88.6 (2.7) | 88.6 (10.9) | 1.2 (−0.38, 2.77)b | 0.97 (−0.63, 2.58) | 1.53 (−5, 8.08) |
| Link Road | 92.7 (2.5) | 89.5 (2.5) | 90.8 (10.5) | 2.38 (0.81, 3.96)b | 1.80 (0.20, 3.41)b | 3.73 (−2.8, 10.28) |
| Holiday Circle | 87.2 (1.5) | 84.1 (2.1) | 86.5 (9.7) | −3.06 (−4.63, −1.48) | −3.55 (−5.16, −1.95)b | −0.53 (−7.1, 6.02) |
| Bazar Ghata | 87.7 (2.8) | 84.8 (2.5) | 83.0 (8.0) | −2.62 (−4.19, −1.04)b | −2.89 (−4.5, −1.29)b | −4.08 (−10.6, 2.47) |
a
Model Significance at p < 0.05
b
Predictor Significance at p < 0.05