Percentage of Recertification Diplomates (2017–2021) within Each ML Cluster or Human Generated Group Who Endorsed Each Motivation
| Machine learning clusters | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cluster | Description | N (%) | Image | Personal | Professional | Patient satisfaction | Patient preference | Medical knowledge | Patient care | Employer | Credential | Payer | Other |
| 1 | Credential + payer | 2895 (19.3) | 36 | 24 | 15 | 6 | 22 | 22 | 13 | 15 | 65 | 62 | 3 |
| 2 | Employer | 3208 (21.4) | 32 | 29 | 17 | 6 | 16 | 25 | 15 | 70 | 27 | 10 | 3 |
| 3 | Mainly extrinsic | 2491 (16.6) | 33 | 25 | 11 | 2.5 | 18 | 28 | 16 | 86 | 92 | 73 | 1 |
| 4 | Broadly motivated | 3553 (23.7) | 88 | 86 | 75 | 70 | 83 | 93 | 86 | 73 | 77 | 66 | 1 |
| 5 | Mainly intrinsic | 2821 (18.8) | 74 | 84 | 39 | 25 | 30 | 83 | 71 | 13 | 20 | 13 | 2 |
| Human classification | |||||||||||||
| Extrinsic only | 2626 (17.5) | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 62% | 64% | 50% | 2% | |
| Intrinsic only | 3067 (20.5) | 59% | 70% | 39% | 25% | 29% | 57% | 49% | 0% | 0% | 0% | 3% | |
| Mixed | 9275 (62.0) | 68% | 60% | 41% | 31% | 48% | 65% | 52% | 66% | 72% | 58% | 2% | |
Shaded cells indicate major representative objects that different a cluster from others. Underlined cells indicate the allowed motivations for the Extrinsic Only and Intrinsic Only groups; all other combinations of motivations (ie, those that included at least one extrinsic motivation and at least one intrinsic motivation) were assigned to the Mixed group.