Developing a nomogram for predicting the depression of senior citizens living alone while focusing on perceived social support

Figure 1 The area under the curve of the developed nomogram for predicting the depression of senior citizens living alone. AUC: Area under the curve.

Figure 2 A nomogram for predicting the depression of elderly living alone.

Figure 3 Calibration plot for nomogram model.

Figure 4 Application example of depression prediction nomogram for elderly living alone: Senior citizens who had suicidal urge over the past year, were not satisfied with subjective help with neighbors, thought that they were mostly lonely, had 15 points in the Self-Esteem Scale, and were 80 years or older.