Table 1.
Demographic Contents Include Studies
| Study | Age | Sample Size | PHQ-9 Characteristics (Depressed Severity Level) | PHQ-9 Interval Conducted | Data Collect | Machine Learning Algorithm Method |
|---|---|---|---|---|---|---|
| Dogrucu 2020a54 | Age: at least 18 years or older | N= 335 | Cutoff 10 = moderate depression | 2 weeks | Smartphone, Social media data | Random forest |
| Dogrucu 2020b54 | Cutoff 15 = moderately severe depression | 2 weeks | Smartphone, Social media data | Random forest | ||
| Dogrucu 2020c54 | Cutoff 20 = severe depression | 2 weeks | Smartphone, Social media data | Random forest | ||
| Masud 2020a58 | Age: above 18 years of age [mean=24y/SD±5] | N= 33 | 10≦ PHQ-9 <15: moderate depression | Every week | Mobile sensor data (11 weeks) | Support vector machine (SVM) |
| Masud 2020b58 | 10≦ PHQ-9 <15: moderate depression | Every week | Mobile sensor data (11 weeks) | K-nearest neighbor (KNN) | ||
| Masud 2020c58 | 10≦ PHQ-9 <15: moderate depression | Every week | Mobile sensor data (11 weeks) | Artificial neural network (ANN) | ||
| Masud 2020d58 | PHQ-9≧15: severe depression | Every week | Mobile sensor data (11 weeks) | Support vector machine (SVM) | ||
| Masud 2020e58 | PHQ-9≧15: severe depression | Every week | Mobile sensor data (11 weeks) | K-nearest neighbor (KNN) | ||
| Masud 2020f58 | PHQ-9≧15: severe depression | Every week | Mobile sensor data (11 weeks) | Artificial neural network (ANN) | ||
| Piette 201371 | Age: average 52.2 years [SD=12.5] | N= 208 | PHQ-9≧10: moderate/severe | 2 weeks (weekly, biweekly, monthly) | IVR (interactive voice response) | 10-fold cross validation |
| McIntyre 202159 | Age: 18–65 [mean=46y±12.7] | N= 523 | PHQ-9≧5: depressed | 14 days | Mobile phone on Android platform | 10-fold cross validation |