Table 4 Relative risk (RR) estimates and 95% confidence intervals for preterm births and Apparent temperature. All RRs are relative to median value of apparent temperature distribution (11.4 °C)
From: Environmental extreme temperature and daily preterm birth in Sabzevar, Iran: a time-series analysis
Model 1 | Model 2 (additionally adjusted for air pollution) | |||||||
|---|---|---|---|---|---|---|---|---|
P1 | P25 | P75 | P99 | P1 | P25 | P75 | P99 | |
lag0 | 1.64 (1.47: 1.84) | 1.11 (1.03: 1.21) | 1.25 (1.15: 1.36) | 1.61 (1.41: 1.83) | 1.61 (1.45: 1.8) | 1.11 (1.03: 1.21) | 1.26 (1.16: 1.37) | 1.55 (1.36: 1.77) |
lag1 | 1.45 (1.35: 1.56) | 1.09 (1.03: 1.15) | 1.16 (1.1: 1.22) | 1.4 (1.29: 1.52) | 1.43 (1.33: 1.54) | 1.09 (1.03: 1.15) | 1.16 (1.1: 1.22) | 1.36 (1.25: 1.48) |
lag2 | 1.3 (1.24: 1.36) | 1.07 (1.03: 1.11) | 1.07 (1.04: 1.11) | 1.23 (1.16: 1.3) | 1.27 (1.21: 1.34) | 1.07 (1.03: 1.11) | 1.07 (1.03: 1.11) | 1.2 (1.13: 1.27) |
lag3 | 1.17 (1.12: 1.24) | 1.05 (1.01: 1.09) | 1.01 (0.97: 1.05) | 1.1 (1.04: 1.17) | 1.15 (1.1: 1.22) | 1.05 (1.01: 1.09) | 1 (0.96: 1.04) | 1.08 (1.01: 1.15) |
lag4 | 1.09 (1.02: 1.16) | 1.03 (0.98: 1.08) | 0.96 (0.92: 1.01) | 1.01 (0.94: 1.09) | 1.07 (1.01: 1.14) | 1.03 (0.99: 1.08) | 0.96 (0.91: 1) | 1 (0.93: 1.08) |
lag5 | 1.04 (0.98: 1.11) | 1.02 (0.97: 1.06) | 0.94 (0.9: 0.99) | 0.97 (0.9: 1.04) | 1.03 (0.97: 1.09) | 1.02 (0.98: 1.07) | 0.94 (0.89: 0.98) | 0.96 (0.89: 1.04) |
lag6 | 1.03 (0.98: 1.09) | 1.01 (0.97: 1.05) | 0.94 (0.91: 0.98) | 0.96 (0.9: 1.02) | 1.02 (0.97: 1.07) | 1.01 (0.97: 1.05) | 0.94 (0.9: 0.98) | 0.96 (0.9: 1.02) |
lag7 | 1.04 (1: 1.09) | 1 (0.97: 1.04) | 0.96 (0.93: 1) | 0.98 (0.93: 1.03) | 1.03 (0.98: 1.08) | 1 (0.97: 1.04) | 0.96 (0.93: 0.99) | 0.98 (0.93: 1.04) |
lag8 | 1.06 (1.01: 1.12) | 1 (0.96: 1.04) | 0.99 (0.96: 1.03) | 1.01 (0.95: 1.08) | 1.05 (1: 1.11) | 1 (0.96: 1.04) | 0.99 (0.95: 1.03) | 1.01 (0.95: 1.08) |
lag9 | 1.08 (1.02: 1.15) | 1 (0.95: 1.05) | 1.02 (0.98: 1.07) | 1.05 (0.98: 1.13) | 1.08 (1.01: 1.15) | 1 (0.95: 1.04) | 1.02 (0.98: 1.07) | 1.05 (0.97: 1.13) |
lag10 | 1.09 (1.02: 1.16) | 1 (0.95: 1.04) | 1.05 (1: 1.1) | 1.08 (1: 1.16) | 1.08 (1.02: 1.15) | 0.99 (0.95: 1.04) | 1.05 (1: 1.1) | 1.07 (0.99: 1.16) |
lag11 | 1.08 (1.02: 1.14) | 1 (0.96: 1.04) | 1.06 (1.03: 1.11) | 1.09 (1.02: 1.16) | 1.07 (1.02: 1.13) | 0.99 (0.95: 1.03) | 1.07 (1.02: 1.11) | 1.08 (1.01: 1.15) |
lag12 | 1.06 (1: 1.11) | 1 (0.96: 1.03) | 1.08 (1.04: 1.11) | 1.09 (1.02: 1.15) | 1.05 (1: 1.11) | 0.99 (0.95: 1.03) | 1.07 (1.04: 1.11) | 1.07 (1: 1.14) |
lag13 | 1.03 (0.95: 1.11) | 1 (0.94: 1.05) | 1.08 (1.03: 1.14) | 1.08 (0.99: 1.17) | 1.02 (0.94: 1.11) | 0.99 (0.94: 1.05) | 1.08 (1.02: 1.14) | 1.05 (0.96: 1.15) |
lag14 | 0.99 (0.88: 1.12) | 1 (0.92: 1.08) | 1.09 (1: 1.18) | 1.07 (0.93: 1.22) | 0.99 (0.88: 1.12) | 0.99 (0.91: 1.08) | 1.08 (0.99: 1.17) | 1.03 (0.9: 1.18) |