Table 1 Baseline characteristics of resident physicians
| Â | Â | Total | PGY1 | PGY2 |
|---|---|---|---|---|
| Â | n, (%) | n, (%) | n, (%) | |
| Â | 1393 (100) | 700 (100) | 693 (100) | |
GM-ITE score (Mean, SD) | 46.0 ± 8.2 | 45.1 ± 7.8 | 46.9 ± 8.5 | |
Hospital type | Â | Â | Â | |
| Â | Community Hospital | 1068 (76.7) | 524 (74.9) | 544 (78.5) |
| Â | University Hospital | 318 (22.8) | 173 (24.7) | 145 (20.9) |
Gender | Â | Â | Â | |
| Â | Women | 413 (29.6) | 208 (29.7) | 205 (29.6) |
| Â | Men | 980 (70.4) | 492 (70.3) | 488 (70.4) |
Night shift per month | Â | Â | Â | |
| Â | 0 | 31 (2.2) | 19 (2.7) | 12 (1.7) |
|  | 1–2 | 192 (13.8) | 89 (12.7) | 103 (14.9) |
|  | 3–5 | 1023 (73.4) | 518 (74.0) | 505 (72.9) |
|  | ≥ 6 | 129 (9.3) | 66 (9.4) | 63 (9.1) |
| Â | Unknown | 9 (0.6) | 3 (0.4) | 6 (0.9) |
Average number of assigned inpatients | Â | Â | Â | |
|  | 0–4 | 522 (37.5) | 281 (40.1) | 241 (34.8) |
|  | 5–9 | 699 (50.2) | 341 (48.7) | 358 (51.7) |
|  | 10–14 | 101 (7.3) | 42 (6.0) | 59 (8.5) |
|  | ≥ 15 | 29 (2.1) | 13 (1.9) | 16 (2.3) |
| Â | Unknown | 34 (2.4) | 17 (2.4) | 17 (2.5) |
Self-study time per day (minutes) | Â | Â | Â | |
| Â | 0 | 23 (1.7) | 9 (1.3) | 14 (2) |
|  | 1–30 | 617 (44.3) | 338 (48.3) | 279 (40.3) |
|  | 31–60 | 547 (39.3) | 264 (37.7) | 283 (40.8) |
|  | 61–90 | 144 (10.3) | 64 (9.1) | 80 (11.5) |
|  | ≥ 91 | 49 (3.5) | 18 (2.6) | 31 (4.5) |
Duty-hour per week (hours) | Â | Â | Â | |
|  | Category 1 (< 60) | 679 (48.7) | 347 (49.6) | 332 (47.9) |
|  | Category 2 (60–79) | 501 (36.0) | 265 (37.9) | 236 (34.1) |
|  | Category 3 (≥ 80) | 199 (14.3) | 81 (11.6) | 118 (17) |