Table 1. Personal and Professional Characteristics of Radiologists.
| Characteristics | Radiologists, No. (%) | Radiologists after inverse probability weighting, % | |||
|---|---|---|---|---|---|
| Total (N = 6726) | Crude | ||||
| AI group (n = 3017) | Non-AI group (n = 3709) | AI group | Non-AI group | ||
| Personal | |||||
| Age, median (IQR), y | 41 (34-48) | 40 (33-47) | 42 (34-49) | 41 (34-49) | 41 (34-48) |
| Sex | |||||
| Male | 4350 (64.7) | 1883 (62.4) | 2467 (66.5) | 65.2 | 65.1 |
| Female | 2376 (35.3) | 1134 (37.6) | 1242 (33.5) | 34.8 | 34.9 |
| Have children | 5493 (81.7) | 2401 (79.6) | 3092 (83.4) | 82.6 | 82.4 |
| Geographic region | |||||
| Eastern | 2686 (39.9) | 1327 (44.0) | 1359 (36.6) | 41.0 | 41.0 |
| Central | 1147 (17.1) | 456 (15.1) | 691 (18.6) | 16.4 | 16.7 |
| Western | 2063 (30.7) | 919 (30.5) | 1144 (30.8) | 30.6 | 30.2 |
| Northeast | 830 (12.3) | 315 (10.4) | 515 (13.9) | 12.0 | 12.3 |
| Relationship status | |||||
| Single | 905 (13.5) | 436 (14.5) | 469 (12.6) | 12.4 | 13.2 |
| Married | 5716 (85.0) | 2536 (84.1) | 3180 (85.7) | 86.1 | 85.3 |
| Othersa | 105 (1.5) | 45 (1.5) | 60 (1.6) | 1.4 | 1.5 |
| Monthly income, <5000 | 5447 (80.9) | 2132 (70.7) | 3315 (89.4) | 80.5 | 80.4 |
| Education levels, lowb | 5502 (81.8) | 2127 (70.5) | 3375 (91.0) | 81.7 | 82.0 |
| Professional | |||||
| Specialty, breast, chest, or blood vessel | 5513 (82.0) | 2458 (81.5) | 3055 (82.4) | 84.2 | 80.9 |
| Years in practice, median (IQR), y | 16 (8-25) | 15 (8-24) | 17 (9-26) | 17 (9-26) | 16 (9-26) |
| Workload score, median (IQR) | 3 (2-3) | 3 (2-4) | 2 (2-3) | 3 (2-3) | 3 (2-3) |
| Hours worked per week, median (IQR), h | 42 (40-50) | 45 (40-50) | 40 (40-50) | 44 (40-50) | 42 (40-50) |
| No. of images per day, median (IQR) | 115 (72-180) | 131 (90-208) | 100 (60-157) | 120 (75-183) | 112 (72-182) |
| Tertiary hospitals | 3988 (59.3) | 2376 (78.8) | 1612 (43.5) | 60.1 | 59.6 |
| Senior professional title | 2500 (37.2) | 1229 (40.7) | 1271 (34.3) | 41.9 | 37.5 |
| Main working in practice | |||||
| Radiograph | 2526 (37.6) | 913 (30.3) | 1613 (43.9) | 36.1 | 36.3 |
| Computerized tomography | 3754 (55.8) | 1955 (64.8) | 1799 (48.5) | 57.1 | 56.5 |
| Magnetic resonance imaging | 446 (6.6) | 149 (4.9) | 297 (8.0) | 6.8 | 7.2 |
| Role in the workflow | |||||
| Initial opinion | 1774 (26.4) | 759 (25.2) | 1015 (27.4) | 25.2 | 26.0 |
| Second opinion | 1738 (25.8) | 982 (32.6) | 756 (20.4) | 29.9 | 24.8 |
| Both | 3214 (47.8) | 1276 (42.3) | 1938 (52.3) | 44.9 | 49.3 |
| AI acceptance, high | 5222 (77.6) | 2645 (71.3) | 2577 (85.4) | 78.0 | 77.7 |
| Attitude toward AI, positive | 6253 (93.0) | 2930 (97.1) | 3323 (89.6) | 97.1 | 90.3 |
| Knowledge of AI, familiar | 3047 (45.3) | 1582 (52.4) | 1465 (39.5) | 48.7 | 43.6 |
| Confidence on AI, positive | 4482 (66.6) | 2223 (73.7) | 2259 (60.9) | 72.4 | 61.9 |
| Motivation to learn AI, positive | 5254 (78.1) | 2702 (72.9) | 2552 (84.6) | 78.7 | 78.3 |
Abbreviation: AI, artificial intelligence.
a
Others include divorce, separation, widowed, or widower.
b
Bachelor’s degree and below.