variable

10^th

25^th

50^th

75^th

90^th

Logarithm of working hours per week

0.0465**

0.0810**

0.0383*

0.0337*

0.00964

(0.0810)

(0.189)

(0.189)

(0.187)

(0.161)

Logarithm of parents’ income

0.810***

0.874***

0.860***

0.754***

0.491***

(0.0604)

(0.0418)

(0.0402)

(0.0621)

(0.0738)

Age

0.229**

0.153*

0.201***

0.195**

0.144

(0.199)

(0.130)

(0.154)

(0.136)

(0.193)

Age squared

-0.00297**

-0.00175**

-0.00282*

-0.00247**

-0.00146

(0.00360)

(0.00234)

(0.00273)

(0.00242)

(0.00342)

constant

2.933**

2.412*

2.190**

0.506***

2.724

(2.834)

(1.939)

(2.102)

(1.845)

(2.870)

Model checking

F = 22.31

R² = 0.036

F = 47.02

R² = 0.273

F = 79.57

R² = 0.394

F = 55.29

R² = 0.306

F = 42.32

R² = 0.207