variable

10^th

25^th

50^th

75^th

90^th

Logarithm of working hours per week

0.443***

0.245**

0.220*

0.079*

0.006

(0.122)

(0.129)

(0.142)

(0.094)

(0.111)

Logarithm of parents’ income

0.674***

0.704***

0.621***

0.438***

0.397***

(0.049)

(0.045)

(0.054)

(0.048)

(0.065)

Age

0.063**

0.093*

0.117**

0.157***

-0.019

(0.078)

(0.049)

(0.070)

(0.054)

(0.082)

Age squared

-0.0007**

-0.001*

-0.001**

-0.002**

0.001

(0.001)

(0.0001)

(0.001)

(0.001)

(0.002)

constant

0.747**

0.433*

0.569**

2.913***

6.387***

(1.228)

(1.011)

(1.079)

(0.807)

(1.430)

Model checking

F = 23.12

R² = 0.038

F = 45.39

R² = 0.268

F = 78.35

R² = 0.375

F = 53.16

R² = 0.291

F = 40.55

R² = 0.198