Table 2.
Characteristics of the study populationa.
| Variable | Control (n=991), n (%) or median (IQRb) |
Incentive (n=859), n (%) or median (IQR) |
|
| Male, n (%) | 786 (79.3) | 703 (81.8) | |
| Specialty, n (%) |
|
|
|
|
|
Medicine | 615 (62.1) | 556 (64.7) |
|
|
Surgery | 204 (20.6) | 170 (19.8) |
|
|
Anesthesia | 172 (17.4) | 133 (15.5) |
| Years since residency, median (IQR) | 20 (13-28) | 20 (13-27) | |
| Years since residency not reported, n (%) | 156 (15.7) | 134 (15.6) | |
| Region of residency c , n (%) |
|
|
|
|
|
Northeast | 314 (32.0) | 291 (33.9) |
|
|
Midwest | 215 (21.7) | 189 (22.0) |
|
|
South | 218 (22.0) | 192 (22.4) |
|
|
West | 113 (11.4) | 97 (11.3) |
|
|
International | 55 (5.5) | 36 (4.2) |
|
|
Unknown | 73 (7.4) | 54 (6.3) |
aPercentages may not sum to 100% due to rounding.
bInterquartile range (IQR).
cRegion defined according to US census region.