%IncMSE

IncNodePurity

Age

25,283,936.54

20,331,921,050

Sex

−80705.67

1,402,644,862

BMI

34,812,210.34

23,258,795,046

Children

3,670,095.37

3,751,485,793

Smoker

201,122,163.51

94,092,836,308

Region

1,173,281.79

2,732,890,504