| Physiological data |
Amalraj et al. 30 (2023) |
Not reported |
To classify stress among university students |
ANN-GA |
Accuracy = 99% |
Internal validation |
| Physiological data |
Jiao et al. 31 (2023) |
Not reported |
To classify students with depression and without depression and with stress and without stress |
Not reported |
Accuracy depression = 95.26% Accuracy stress = 98.46% Accuracy depression vs. stress = 100% |
Internal validation |
| Physiological data |
Pal et al. 32 (2023) |
SAS |
To classify anxiety among university students |
RF |
Accuracy = 80% AUC = 82% PPV = 80% Sensitivity = 80% Specificity = 73% |
Internal validation with “leave-one-out” cross-validation |
| Physiological data |
Pourmohammadi & Maleki 33 (2020) |
STAI |
To classify stress among university students |
SVM |
Accuracy = 100% two levels Accuracy = 97.6% three levels Accuracy = 92.2% four levels |
Internal validation with nested 10-fold cross-validation |
| Physiological data |
Sharma et al. 34 (2022) |
BDI-II |
To classify the level of depression among university students |
AEN |
Accuracy = 95.2% five levels |
Internal validation with 10-fold cross-validation |
| Physiological data |
Silva et al. 35 (2020) |
PSS |
To classify stress among university students |
NN |
Sensitivity = 78.1% Specificity = 74.2% |
Internal validation with 10-fold cross validation |
| NB |
Sensitivity = 62.7% Specificity = 74.2% |
| SVM |
Sensitivity = 47.5% Specificity = 82.1% |
| RF |
Sensitivity = 74.8% Specificity = 71.2% |
| KNN |
Sensitivity = 69% Specificity = 75.6% |
| Physiological data |
Tiwari & Agarwal 36 (2021) |
PSS |
To classify students’ mental state into four categories: relaxed, stressed, partially stressed, and happy |
LR |
Accuracy = 83.3% |
Internal validation with 10-fold cross-validation |
| SVM |
Accuracy = 88.3% |
| KNN |
Accuracy = 82.4% |
| BAG |
Accuracy = 98.4% |
| RF |
Accuracy = 97.9% |
| GB |
Accuracy = 98.2% |
| ANN |
Accuracy = 99.4% |
| Behavioral data |
Anand et al. 37 (2023) |
QF |
Classify the stress of university students into three categories: highly stressed, manageable stress, and no stress |
DT + RF + AdaBoost |
Accuracy = 93.48% PPV = 92.99% F1 = 93.14% Sensitivity = 93.30% |
Internal validation with 5-fold cross-validation |
| Behavioral data |
Balli et al. 38 (2023) |
BDI |
To detect students with depression and without depression |
XGBoost |
Accuracy = 89.6% |
Not reported |
| Behavioral data |
Daza et al. 39 (2023) |
GAD-7 |
To predict anxiety level of university students |
KNN |
Accuracy = 97.83% Sensitivity = 98.44% Specificity = 99.32% F1 = 97.88% |
Internal validation with 10-fold cross-validation |
| Behavioral data |
Estabragh et al. 40 (2013) |
SPI |
To diagnose college students with social anxiety |
BN |
AUC = 89.8% |
Not reported |
| Behavioral data |
Herbert et al. 41 (2021) |
STAI |
To predict trait anxiety among university students |
SVR, GBR |
RMSE = 0.90 % of RMSE in range = 15.04% |
Internal validation with test set |
| Behavioral data |
Ge et al. 42 (2020) |
GAD-7 |
To predict university students with anxiety |
XGBoost |
Accuracy = 97.3% Sensitivity = 97.3% Specificity = 96.3% |
Internal validation with 5-fold cross-validation |
| Behavioral data |
Gil et al. 43 (2022) |
CES-D |
To predict the risk of depression in college students |
RF |
Accuracy = 86.27% PPV = 80.59% Sensitivity = 85.00% Specificity = 87.10% F1 = 82.74% AUC = 86.05% |
Internal validation |
| Behavioral data |
Maitre et al. 44 (2023) |
GAD-7 |
To investigate the anxiety level of university students |
LR |
R2 = 0.5300 |
Internal validation with 10-fold cross-validation |
| LASSO |
R2 = 0.5294 |
| RF |
R2 = 0.5383 |
| XGBoost |
R2 = 0.5630 |
| CatBoost |
R2 = 0.5656 |
| Behavioral data |
Morales-Rodríguez et al. 45 (2021) |
PSS |
To predict the stress level of college students |
ANN |
AUC = 74.8% |
Internal validation |
| Behavioral data |
Ren et al. 46 (2021) |
SAS, PHQ-9 |
To assess depression and anxiety in university students |
LR |
Accuracy anxiety = 81.42% AUC anxiety = 88.50% Sensitivity anxiety = 83.21% Specificity anxiety = 80.38% Accuracy depression = 73.5% AUC depression = 80.60% Sensitivity depression = 75.3% Specificity depression = 71.80% |
Internal validation with 5-fold cross-validation |
| Behavioral data |
Upadhyay et al. 47 (2023) |
HDRS and CDRS along with clinician diagnostic |
To assess persistent depression disorder among university students |
Stacked SVM |
Accuracy = 89.4% Sensitivity = 89.92% Specificity = 89.96% PPV = 89.82% F1 = 89.96% |
Internal validation |
| Behavioral data |
Vergaray et al. 48 (2022) |
PHQ-9 |
To predict depression among college students |
SVM |
Accuracy = 94.69% Sensitivity = 94.22% PPV = 94.09% F1 = 94.12% |
Internal validation with 10-fold cross-validation |
| Behavioral data |
Wang et al. 49 (2020) |
SAS |
To predict the level of stress (normal, mild, moderate, severe) at the beginning of the academic semester and one month after the beginning of the academic semester |
XGBoost |
Model 1 Accuracy anxiety level = 83.81% Accuracy anxiety change = 79.26% Model 2 Accuracy anxiety level = 82.10% Accuracy anxiety change = 84.38% |
Internal validation with test set |
| Neurocerebral data |
AlShorman et al. 50 (2022) |
DASS-21 |
To detect mental stress among university students |
SVM with RBF kernel |
Accuracy = 81.40% AUC = 86.10% F1 = 81.40% PPV = 81.50% Sensitivity = 84.40% Specificity = 81.50% |
Internal validation |
| Neurocerebral data |
He et al. 51 (2021) |
STAI |
To classify anxiety in university students in comparison to healthy controls, individuals with depression and individuals with schizophrenia |
BLR |
Accuracy control vs. anxiety = 68.72% AUC control vs. anxiety = 72% Sensitivity control vs. anxiety = 71.40% Specificity control vs. anxiety = 65% Accuracy major depression vs. anxiety = 53.68% AUC major depression vs. anxiety = 53% Sensitivity major depression vs. anxiety = 72.20% Specificity major depression vs. anxiety = 33.13% Accuracy schizophrenia vs. anxiety = 59.1% AUC schizophrenia vs. anxiety = 59% Sensitivity schizophrenia vs. anxiety = 32.88% Specificity schizophrenia vs. anxiety = 73.91% |
Internal validation with 10-fold cross-validation and external validation |
| Neurocerebral data |
Li et al. 52 (2015) |
BDI-II |
To classify students with depression and without depression |
KNN |
Accuracy = 99.1% AUC = 99.9% |
Internal validation with 10-fold cross-validation |
| Neurocerebral data |
Modinos et al. 53 (2013) |
BDI-II |
To classify depression among university student |
SVM |
Accuracy = 77% Sensitivity = 71% Specificity = 82% |
Internal validation with “leave-one-out” cross-validation |
| Neurocerebral data |
Zhang et al. 54 (2019) |
TAS along with clinician diagnostic |
To classify students with high anxiety and low anxiety |
CNN |
Accuracy = 86.5% PPV = 84% Sensitivity= 100% F1 = 91.1% |
Internal validation with 5-fold cross-validation |
| Blood marker data |
Liu et al. 55 (2023) |
CES-D |
To predict depression among university women over a 1-year period |
SVM |
R = 0.81; p < 0.001 |
Internal validation with test set |
| Blood marker data |
Topalovic et al. 56 (2021) |
DASS-21 |
To predict the increase in stress levels among university students |
BLR |
Accuracy = 70% Nagelkerke R2 = 0.38 Snell R2 = 0.28 |
Not reported |
| Internet dada |
Ding et al. 57 (2020) |
QF |
To classify depression among university students |
RBF-NN |
Accuracy = 82% |
Internal validation with test set |
| SVM |
Accuracy = 80% |
| KNN |
Accuracy = 79% |
| DISVM |
Accuracy = 86% |
| Internet data |
Dehghan-Bonari et al. 58 (2023) |
Not reported |
To diagnose students with and without depression |
RF |
Accuracy = 94% |
Internal validation |
| Internet data |
Siraji et al. 59 (2023) |
DASS-21 |
To detect college students with and without depression |
SVM |
Accuracy = 85.14% F1 = 84.92% AUC = 98.41% |
Internal validation with 5-fold cross-validation |
| Internet data |
Zhang et al. 60 (2020) |
PHQ-9, GAD-7 |
To predict deterioration of depression and anxiety among university students |
OLS |
Depression (MSE = 2.37, R2 = 0.84) Anxiety (MSE = 2.48, R2 = 0.81) |
Internal validation with “leave-one-out” cross-validation |
| Internet data |
Ware et al. 61 (2020) |
PHQ-9/QIDS along with clinician diagnostic |
To predict various symptoms of depression in university students |
SVM with RBF kernel |
Model 1 F1 = 67% PPV = 71% Sensitivity = 64% Specificity = 73% Model 2 F1 = 72% PPV = 65% Sensitivity l = 81% Specificity = 51% |
Internal validation with “leave-one-out” cross-validation |
| Mixed data |
Aalbers et al. 62 (2023) |
SESS |
To assess the stress of university students |
LASSO |
MAE = 0.84 |
Internal validation with 10-fold cross-validation |
| SVM |
MAE = 0.84 |
| RF |
MAE = 0.84 |
| Mixed data |
Acikmese & Alptekin 63 (2019) |
QF |
To classify university students into stressed and non-stressed |
LSTM |
Accuracy = 63% PPV = 63% Sensitivity = 63% F1 = 63% |
Internal validation with test set |
| Mixed data |
Ahmed & Ahmed 64 (2023) |
PHQ-9 |
To identify depressed and non-depressed students |
BFS |
Accuracy = 78% PPV = 77.4% AUC = 78% Specificity = 75.50% Sensitivity = 80.4% F1 = 78.80% |
Internal validation with 10-fold cross-validation |
| Mixed data |
Chikersal et al. 65 (2021) |
BDI-II |
To classify depression among university students at the end of the semester, as well as depression worsening |
AdaBoost |
Accuracy = 85.7% depression end of semester F1 = 82% depression end of semester Accuracy = 88.1% depression worsening F1 = 81% depression worsening |
Internal validation with “leave-one-out” cross-validation |
| Mixed data |
Guerrero et al. 66 (2023) |
AMAS-C |
To identify college students with and without anxiety |
Not reported |
Model 1 (facial expression) PPV = 86.84% Model 2 (emotions recognition) PPV = 84.21% |
Internal validation |
| Mixed data |
Mahalingam et al. 67 (2023) |
BAI |
To classify university students with and without anxiety |
MLP |
AUC = 80.70% Accuracy = 67.5% |
Not reported |
| LR |
AUC = 77.25% Accuracy = 67.67% |
| SVM |
AUC = 76.01% Accuracy = 69.70% |
| RF |
AUC = 74.75% Accuracy = 67.68% |
| XGBoost |
AUC = 72.58% Accuracy = 63.64% |
| Mixed data |
Meda et al. 68 (2023) |
BDI-II |
To assess the change of depression symptoms in university students after six months |
RF |
Overall PPV = 77% PPV in depression worsening = 49% |
Internal validation |
| Mixed data |
Nemesure et al. 69 (2021) |
Clinician diagnostic |
To classify university students with generalized anxiety disorder and major depressive disorder |
XGBoost classifier |
Generalized anxiety disorder AUC = 73% Generalized anxiety disorder sensitivity = 70% Generalized anxiety disorder specificity = 66% Major depressive disorder AUC = 67% Major depressive disorder sensitivity = 55% Major depressive disorder specificity = 70% |
Internal validation with 5-fold cross-validation |
| Mixed data |
Bhadra & Kumar 70 (2024) |
Clinician diagnostic |
To detect students with and without depression |
ANN |
Accuracy = 88.46% |
Internal validation |
| SVM |
Accuracy = 88% |
| RF |
Accuracy = 88.46% |
| XGBoost |
Accuracy= 84.18% |
| Mixed data |
Rois et al. 71 (2021) |
QF |
To classify stress among university students |
AdaBoost |
Accuracy = 89% |
Internal validation with 10-fold cross-validation |
| Mixed data |
Sano et al. 72 (2018) |
PSS |
To classify the stress of university students into high stress and low stress |
SVM with RBF |
Accuracy = 81.5% F1 = 83% |
Internal validation with “leave-one-out” cross-validation |
| SVM linear |
Accuracy = 70.3% F1 = 72% |
| LASSO |
Accuracy = 67.6% F1 = 74% |
| Mixed data |
Ware et al. 73 (2022) |
PHQ-9/QIDS along with clinician diagnostic |
To predict depression among college students |
SVM |
F1 = 82% PPV = 78% Sensitivity = 86% Specificity = 74% |
Internal validation |
| Mixed data |
Xu et al. 74 (2021) |
BDI-II |
To detect students with and without depression |
Not reported |
Accuracy = 79.10% PPV = 81.40% Sensitivity = 85.40% F1 = 83.30% |
Internal validation with leave-one-out cross-validation |
| Mixed data |
Yue et al. 75 (2021) |
PHQ-9 along with clinician diagnostic |
To predict depression among college students |
SVM with RBF kernel |
F1 = 79% PPV = 77% Sensitivity = 79% Specificity = 72% |
Internal validation with “leave-one-out” cross-validation |
| Mobility data |
Müller et al. 76 (2021) |
QF based on ICD-10 |
To predict depression among college students |
RF |
AUC = 82% |
Internal validation |
| Demographic data |
Nayan et al. 77 (2022) |
PHQ-9, GAD-7 |
To predict college students with depression and anxiety |
KNN |
Accuracy depression = 88.28% Sensitivity depression = 66.67% Specificity depression = 96.13% |
Internal validation with 10-fold cross-validation |
| RF |
Accuracy anxiety = 91.49% Sensitivity anxiety = 67.77% Specificity anxiety = 98.53% |