Table 4. Annual scale index-HSI outcome rate ratio 95% confidence interval from 2-year block bootstrap negative binomial models.
| Index Name | Averaging Period | Index Scale | Ambulatory | Hospitalizations | Reportable Events |
|---|---|---|---|---|---|
| Mean | |||||
| Mean Tmp | Full Year | Temperature | 1.096 (0.872, 1.148) | 1.076 (0.932, 1.133) | 1.404 (1.328, 1.813) |
| Mean HI | Full Year | Heat Index | 1.269 (1.168, 1.544) | 1.057 (0.893, 1.084) | 1.267 (1.091, 1.475) |
| Mean WBGT | Full Year | WBGT | 1.196 (0.994, 1.511) | 1.149 (0.973, 1.265) | 1.395 (1.246, 1.827) |
| Mean Tmp HS | Heat Season | Temperature | 1.157 (1.11, 1.287) | 1.063 (0.998, 1.133) | 1.113 (0.987, 1.227) |
| Mean HI HS | Heat Season | Heat Index | 1.105 (0.983, 1.142) | 1.049 (0.951, 1.091) | 1.08 (0.931, 1.156) |
| Mean WBGT HS | Heat Season | WBGT | 1.303 (1.214, 1.593) | 1.399 (1.439, 1.886) | 1.065 (0.838, 1.145) |
| Maximum | |||||
| Max Tmp | Full Year | Temperature | 1.2 (1.144, 1.368) | 1.083 (1.038, 1.195) | 1.065 (0.857, 1.074) |
| Max HI | Full Year | Heat Index | 1.316 (1.324, 1.601) | 1.069 (0.993, 1.144) | 1.212 (1.086, 1.354) |
| Max WBGT | Full Year | WBGT | 1.462 (1.479, 2.099) | 1.21 (1.128, 1.413) | 1.342 (1.134, 1.616) |
| Max Tmp HS | Heat Season | Temperature | 1.085 (1.05, 1.163) | 1.018 (0.971, 1.06) | 0.992 (0.835, 0.977) |
| Max HI HS | Heat Season | Heat Index | 1.058 (0.942, 1.049) | 0.98 (0.869, 0.965) | 1.095 (0.976, 1.168) |
| Max WBGT HS | Heat Season | WBGT | 1.185 (1.005, 1.261) | 1.029 (0.834, 1.013) | 1.212 (1.004, 1.396) |
| Anomaly | |||||
| Tmp Anomaly | Full Year | Temperature | 1.182 (1.023, 1.328) | 1.108 (0.985, 1.199) | 1.211 (0.994, 1.344) |
| HI Anomaly | Full Year | Heat Index | 1.341 (1.297, 1.714) | 1.053 (0.887, 1.07) | 1.399 (1.324, 1.79) |
| WBGT Anomaly | Full Year | WBGT | 1.188 (0.992, 1.475) | 1.085 (0.868, 1.133) | 1.257 (0.999, 1.475) |
| Tmp Anomaly HS | Heat Season | Temperature | 1.075 (0.955, 1.107) | 1.07 (1.008, 1.149) | 1.113 (0.982, 1.227) |
| HI Anomaly HS | Heat Season | Heat Index | 1.125 (1.018, 1.184) | 1.097 (1.035, 1.193) | 1.18 (1.104, 1.381) |
| WBGT Anomaly HS | Heat Season | WBGT | 1.223 (1.071, 1.393) | 1.175 (1.018, 1.309) | 1.139 (0.962, 1.311) |
| Hours Count | |||||
| Hrs Tmp > 90 | Full Year | Temperature | 1 (0.999, 1) | 1 (0.999, 1) | 1 (0.999, 1.001) |
| Hrs Tmp > 100 | Full Year | Temperature | 1 (0.999, 1.002) | 1 (0.998, 1) | 1.003 (1.004, 1.007) |
| Hrs HI > 90 | Full Year | Heat Index | 1.001 (1.001, 1.002) | 1 (1, 1.001) | 1.001 (0.999, 1.001) |
| Hrs HI > 105 | Full Year | Heat Index | 1.004 (0.999, 1.008) | 0.999 (0.991, 1) | 1 (0.991, 1.002) |
| Hrs WBGT > 85 | Full Year | WBGT | 1.002 (1.001, 1.004) | 1.001 (0.999, 1.001) | 1.002 (1, 1.004) |
| Hrs WBGT > 90 | Full Year | WBGT | 1.003 (0.995, 1.004) | 1.002 (0.996, 1.005) | 0.999 (0.987, 0.999) |
| Days Count | |||||
| Days Tmp > 1 SD | Full Year | Temperature | 1.013 (1.004, 1.023) | 1.002 (0.982, 1.003) | 1.033 (1.034, 1.063) |
| Days HI > 1 SD | Full Year | Heat Index | 1.016 (1.008, 1.03) | 1.01 (0.999, 1.02) | 1.006 (0.986, 1.01) |
| Days WBGT > 1 SD | Full Year | WBGT | 1.018 (1.009, 1.044) | 1.008 (0.992, 1.017) | 1.023 (1.011, 1.046) |
| Days Tmp > 1 SD HS | Heat Season | Temperature | 1.02 (1.005, 1.046) | 1.006 (0.985, 1.02) | 1.008 (0.975, 1.024) |
| Days HI > 1 SD HS | Heat Season | Heat Index | 1.026 (1.01, 1.048) | 1.036 (1.028, 1.08) | 1.019 (1.001, 1.053) |
| Days WBGT > 1 SD HS | Heat Season | WBGT | 1.079 (1.079, 1.2) | 1.02 (0.948, 1.065) | 1.009 (0.98, 1.084) |