TABLE 1.
Elevations, means and standard deviations in low versus high jurisdictions.
| LOW | HIGHEST ELEVATION | |
| Elevation/jurisdiction | Feet above sea level | Estimated mrem |
| Delaware | 448 | 74 |
| District of Columbia | 410 | 74 |
| Florida | 345 | 51 |
| Louisiana | 535 | 51 |
| Mississippi | 806 | 51 |
| Rhode Island | 812 | 74 |
| Mean | 559.3 | 62.5 |
| Standard deviation | 209.9 | 12.6 |
| HIGH | LOWEST ELEVATION | |
| Elevation/jurisdiction | Feet above sea level | Estimated mrem |
| Colorado | 3315 | 81 |
| Montana | 1800 | 77 |
| New Mexico | 2842 | 81 |
| South Dakota | 966 | 74 |
| Utah | 2000 | 77 |
| Wyoming | 3099 | 81 |
| Mean | 2337.0 | 78.5 |
| Standard deviation | 902.6 | 2.9 |
| p-value* | 0.004 | 0.025 |
| Effect size* | 2.7 | 1.8 |
*
p-value and effect size pertain to comparison of low versus high elevation and NBR.