Table 3.
Participant demographics.
| Task experts | Non-task experts | Total | ||
|---|---|---|---|---|
| Radiology | IM | EM | ||
| n | 138 | 80 | 47 | 264 |
| Gender* in % | ||||
| Female | 29.71 | 36.25 | 27.66 | 31.32 |
| Male | 69.57 | 63.75 | 68.09 | 67.55 |
| NA | 0.72 | 0.00 | 4.26 | 1.13 |
| Years of experience | 7.18 (8.12) | 3.8 (4.83) | 6.03 (8.41) | 5.96 (7.47) |
| Age in % | ||||
| 18–24 | 0.72 | 1.25 | 0.00 | 0.75 |
| 25–34 | 68.12 | 78.75 | 72.34 | 72.08 |
| 35–44 | 19.57 | 15.00 | 8.51 | 16.23 |
| 45–54 | 6.52 | 3.75 | 10.64 | 6.42 |
| 55–64 | 2.90 | 1.25 | 4.26 | 2.64 |
| 65–74 | 2.17 | 0.00 | 0.00 | 1.13 |
| NA | 0.00 | 0.00 | 4.26 | 0.75 |
| Ethnicity* in % | ||||
| White | 57.04 | 52.50 | 77.08 | 59.26 |
| Black or African American | 1.41 | 3.75 | 0.00 | 1.85 |
| American Indian or Alaska Native | 0.70 | 1.25 | 0.00 | 0.74 |
| Asian | 30.28 | 32.50 | 10.42 | 27.41 |
| Native Hawaiian or Pacific Islander | 0.00 | 0.00 | 2.08 | 0.37 |
| other | 2.11 | 7.50 | 2.08 | 3.70 |
| NA | 8.45 | 2.50 | 8.33 | 6.67 |
IM = internal medicine; EM = emergency medicine; n = numbers of participants; NA = participants preferred not to answer; years of experience: mean (standard deviation).
*The participants’ gender and ethnicity distribution in each field closely follows the expected distributions according to data from the American Medical Association’s (AMA) Masterfile42.