Table 3.
The cumulative relative risks of adverse pregnancy outcomes in high and low UTCIa values relative to UTCI = 17.5 °C
| Outcomes | UTCI value (°C) | Lag 0 | Lag 0–2 | Lag 0–6 | Lag 0–13 | Lag 0–21 | |
|---|---|---|---|---|---|---|---|
| Stillbirth | Hb | 46.4 | 1.780 (0.793–3.997) | 1.200 (0.521–2.763) | 1.725 (0.609–4.890) | 2.148 (0.529–8.719) | 1.911 (0.283–12.913) |
| 44.6 | 1.506 (0.721–3.145) | 1.190 (0.559–2.536) | 1.542 (0.588–4.044) | 1.811 (0.480–6.838) | 1.627 (0.263–10.076) | ||
| 43.1 | 1.340(0.667–2.693) | 1.179 (0.577–2.408) | 1.414 (0.564–3.548) | 1.579 (0.439–5.676) | 1.411 (0.242–8.238) | ||
| Lc | 16.2 | 1.008 (0.956–1.064) | 0.976 (0.927–1.028) | 0.957 (0.899–1.019) | 0.946 (0.871–1.026) | 0.949 (0.848–1.061) | |
| 14.4 | 1.004 (0.882–1.142) | 0.940 (0.834–1.059) | 0.898 (0.776–1.039) | 0.890 (0.731–1.082) | 0.874 (0.664–1.150) | ||
| 11.6 | 0.949 (0.694–1.297) | 0.880 (0.657–1.178) | 0.814 (0.562–1.180) | 0.858 (0.515–1.428) | 0.769 (0.376–1.573) | ||
| LBW | H | 46.4 | 0.623 (0.164–2.368) | 0.990 (0.268–3.658) | 2.505 (0.488–12.871) | 0.781 (0.082–7.403) | 0.111 (0.005–2.342) |
| 44.6 | 0.647 (0.193–2.169) | 1.209 (0.367–3.984) | 2.635 (0.577–12.028) | 0.959 (0.112–8.225) | 0.168 (0.009–3.175) | ||
| 43.1 | 0.665 (0.212–2.091) | 1.361 (0.438–4.231) | 2.641 (0.618–11.284) | 1.056 (0.131–8.507) | 0.217 (0.012–3.850) | ||
| L | 16.2 | 1.004 (0.922–1.093) | 0.998 (0.921–1.082) | 0.96 (0.868–1.062) | 0.977 (0.852–1.12) | 0.935 (0.773–1.132) | |
| 14.4 | 0.954 (0.768–1.186) | 0.986 (0.811–1.201) | 0.869 (0.679–1.112) | 0.833 (0.589–1.177) | 0.763 (0.476–1.223) | ||
| 11.6 | 0.763 (0.430–1.356) | 0.953 (0.575–1.578) | 0.672 (0.349–1.292) | 0.475 (0.186–1.211) | 0.434 (0.128–1.474) | ||
| PTL | H | 46.4 | 0.988 (0.601–1.624) | 1.108 (0.656–1.872) | 1.192 (0.617–2.303) | 1.012 (0.412–2.484) | 2.392 (0.699–8.193) |
| 44.6 | 1.058 (0.669–1.674) | 1.192 (0.737–1.926) | 1.285 (0.697–2.368) | 1.078 (0.465–2.502) | 2.387 (0.748–7.616) | ||
| 43.1 | 1.103 (0.712–1.709) | 1.245 (0.789–1.965) | 1.343 (0.749–2.409) | 1.115 (0.500–2.489) | 2.330 (0.767–7.079) | ||
| L | 16.2 | 0.996 (0.964–1.029) | 0.977 (0.947–1.007) | 0.985 (0.95–1.022) | 1.017 (0.97–1.067) | 1.014 (0.949–1.082) | |
| 14.4 | 1.009 (0.936–1.089) | 0.980 (0.915–1.049) | 1.033 (0.950–1.124) | 1.101 (0.977–1.240) | 1.108 (0.939–1.307) | ||
| 11.6 | 1.087 (0.910–1.298) | 1.086 (0.921–1.282) | 1.337 (1.074–1.664) | 1.449 (1.042–2.015) | 1.536 (0.973–2.425) | ||
| SA | H | 46.4 | 1.019 (0.584–1.780) | 0.997 (0.568–1.752) | 0.764 (0.378–1.543) | 0.738 (0.285–1.910) | 0.723 (0.199–2.624) |
| 44.6 | 0.942 (0.570–1.556) | 1.026 (0.618–1.704) | 0.781 (0.409–1.494) | 0.719 (0.292–1.769) | 0.708 (0.207–2.417) | ||
| 43.1 | 0.892 (0.556–1.432) | 1.043 (0.647–1.682) | 0.797 (0.430–1.479) | 0.713 (0.299–1.700) | 0.707 (0.215–2.322) | ||
| L | 16.2 | 1.006 (0.971–1.042) | 1.009 (0.975–1.043) | 1.005 (0.964–1.047) | 1.009 (0.955–1.066) | 1.036 (0.961–1.116) | |
| 14.4 | 0.998 (0.919–1.084) | 1.013 (0.939–1.093) | 1.001 (0.912–1.098) | 1.035 (0.913–1.173) | 1.094 (0.918–1.303) | ||
| 11.6 | 0.942 (0.776–1.144) | 0.999 (0.836–1.193) | 0.966 (0.769–1.213) | 1.110 (0.811–1.520) | 1.201 (0.774–1.864) | ||
| Pre-eclampsia | H | 46.4 | 0.805 (0.458–1.415) | 0.770 (0.432–1.370) | 1.086 (0.530–2.225) | 1.385 (0.529–3.629) | 1.166 (0.316–4.303) |
| 44.6 | 0.791 (0.475–1.317) | 0.772 (0.459–1.298) | 1.071 (0.552–2.075) | 1.378 (0.555–3.417) | 1.126 (0.325–3.895) | ||
| 43.1 | 0.779 (0.481–1.260) | 0.774 (0.474–1.264) | 1.058 (0.563–1.987) | 1.354 (0.566–3.239) | 1.073 (0.324–3.557) | ||
| L | 16.2 | 1.028 (0.991–1.066) | 1.01 (0.976–1.046) | 0.998 (0.958–1.04) | 1.011 (0.958–1.067) | 0.998 (0.927–1.075) | |
| 14.4 | 1.052 (0.966–1.146) | 1.033 (0.956–1.116) | 1.038 (0.946–1.139) | 1.062 (0.935–1.207) | 0.982 (0.818–1.180) | ||
| 11.6 | 1.050 (0.857–1.285) | 1.091 (0.909–1.311) | 1.236 (0.981–1.557) | 1.261 (0.900–1.766) | 0.936 (0.573–1.530) | ||
| Gestational hypertension | H | 46.4 | 1.411 (0.758–2.626) | 1.023 (0.549–1.908) | 1.351 (0.619–2.948) | 1.183 (0.411–3.409) | 1.045 (0.249–4.387) |
| 44.6 | 1.410 (0.805–2.470) | 1.037 (0.589–1.824) | 1.455 (0.706–2.999) | 1.381 (0.506–3.767) | 1.151 (0.292–4.541) | ||
| 43.1 | 1.412 (0.832–2.396) | 1.052 (0.617–1.795) | 1.544 (0.775–3.079) | 1.551 (0.590–4.080) | 1.248 (0.330–4.717) | ||
| L | 16.2 | 0.968 (0.931–1.006) | 0.995 (0.959–1.031) | 0.955 (0.913–0.999) | 0.962 (0.907–1.021) | 0.961 (0.885–1.043) | |
| 14.4 | 0.932 (0.852–1.020) | 0.983 (0.906–1.067) | 0.924 (0.834–1.024) | 0.963 (0.837–1.109) | 0.951 (0.779–1.160) | ||
| 11.6 | 0.897 (0.725–1.109) | 0.952 (0.778–1.165) | 0.950 (0.731–1.234) | 1.110 (0.771–1.600) | 1.047 (0.621–1.764) | ||
Statistically significant values are given in bold
aUniversal Thermal Climate Index (°C)
bHigh UTCI values
cLow UTCI values