Investigation of contemporary college students’ mental health status and construction of a risk prediction model

Figure 1 Risk nomogram prediction model of college students’ mental health status. PHQ: Patient Health Questionnaire.

Figure 2 Column chart prediction model receiver operating characteristic curve. A: Receiver operating characteristic (ROC) curve of the training set; B: ROC curve of the validation set. AUC: Area under the curve; CI: Confidence interval.

Figure 3 Column chart prediction model calibration curve. A: Calibration curve of the training set; B: Calibration curve of the validation set.