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Table 4 Risk group classifications of the developed model

From: A novel model to predict mental distress among medical graduate students in China

Groups

Number of students

Predicted value P(Y = 1)

Actual value P(Y = 1)

Pa

Low risk (0.00% ~ 9.99%)

345

6.81%

6.96%

<0.001

Moderate risk (10.00% ~ 19.99%)

461

14.54%

16.49%

High risk (20.00%~)

209

27.45%

29.19%

  1. Notes: P(Y = 1) indicates the rate of severe mental distress
  2. a indicates an actual rate of severe mental distress among the three risk groups