Variable

Obs

Mean

Std. Dev.

Min

Max

Nursing

4640

0.138

0.345

0

1

annuity

4640

1796.78

3666.439

50

9996

together

4640

0.865

0.342

0

1

gender

4640

0.49

0.5

0

1

edu

4640

0.837

0.843

0

4

city

4640

0.235

0.424

0

1

health

4640

3.286

0.924

1

5