Descriptive Variables
| Variable | Description | n |
| Credentials (n = 846) | Certified (NMTCB or ARRT) | 833 (98.46%) |
| Other | 13 (1.54%) | |
| Missing | 4 | |
| Region of United States (n = 832) | Northeast | 334 (40.14%) |
| Northwest | 117 (14.06%) | |
| Southeast | 222 (26.68%) | |
| Southwest | 159 (19.11%) | |
| Missing | 18 | |
| Years of work experience (n = 847) | <20 y | 364 (42.98%) |
| ≥20 y | 483 (57.02%) | |
| Missing | 3 | |
| Work setting (n = 841) | Academia | 51 (6.06%) |
| Hospital | 502 (59.69%) | |
| Outpatient center | 166 (19.74%) | |
| Other | 122 (14.51%) | |
| Missing | 9 | |
| Has the facility in which you work adopted and implemented an emergency preparedness plan that includes radiological disaster preparedness? (n = 836) | Yes | 514 (61.48%) |
| No | 322 (38.52%) | |
| Missing | 14 | |
| Have you attended radiation emergency preparedness training in the last 5 y? (n = 839) | Yes | 296 (35.28%) |
| No | 543 (64.72%) | |
| Missing | 11 | |
| Equipment availability | ||
| Scintillation γ-camera (n = 832) | Yes | 758 (91.11%) |
| No | 74 (8.89%) | |
| Missing | 18 | |
| Well counter (n = 832) | Yes | 715 (85.94%) |
| No | 117 (14.06%) | |
| Missing | 18 | |
| Geiger counter (n = 837) | Yes | 810 (96.77%) |
| No | 27 (3.23%) | |
| Missing | 13 | |
| Thyroid probe (n = 817) | Yes | 535 (65.48%) |
| No | 282 (34.52%) | |
| Missing | 33 | |
| Portal monitor (n = 782) | Yes | 148 (18.93%) |
| No | 634 (81.07%) | |
| Missing | 68 | |
| Portable multichannel analyzer (n = 790) | Yes | 173 (21.90%) |
| No | 617 (78.10%) | |
| Missing | 60 |