Table 3.
Feature importance according to the average rank of each feature in predicting depression.
| Rank | MDDa group versus control group | Treatment responder group versus nonresponder group |
| 1 | Screen usage duration | Total time of calls received |
| 2 | Total time of calls made | Movement distance |
| 3 | Number of calls received | Number of people called |
| 4 | Movement distance | Number of calls sent |
| 5 | Momentum | Maximum dose of medication |
| 6 | Number of people messaged | Number of text messages received |
| 7 | Number of text messages received | Total time of calls made |
| 8 | Total time of calls received | Number of messages sent |
| 9 | Total length of messages received | Number of calls received |
| 10 | Number of calls sent | Added image files |
| 11 | Total length of messages sent | Total length of messages received |
| 12 | Number of messages sent | Screen usage duration |
| 13 | Number of people called | Momentum |
| 14 | Added image files | Total length of messages sent |
| 15 | N/Ab | Number of people messaged |
| 16 | N/A | Dosage of medication |
aMajor depressive disorder.
bN/A: not applicable.