2004

2006

2009

2011

2015

General (With Time Effect Eliminated)

Variable

Coef

P-value

Coef

P-value

Coef

P-value

Coef

P-value

Coef

P-value

Coef

P-value

Income (in thousand yuan)

0.046

***

0.040

***

0.025

***

0.028

***

0.012

*

0.020

***

Access to Higher Education

0.230

***

0.191

***

0.191

***

0.134

***

0.203

***

0.247

***

Costal Province

−0.001

0.014

−0.045

*

−0.148

***

−0.132

***

−0.093

***

Experience (in Years)

−0.021

−0.041

***

−0.031

***

−0.013

−0.028

**

0.001

Experience, Square

0.000

0.000

***

0.000

**

0.000

0.000

**

0.000

Being a Female

−0.138

***

−0.090

***

−0.098

***

−0.046

**

−0.068

*

−0.085

***

Health: Excellent or Good

0.086

*

−0.009

0.187

***

0.097

***

Health: Fair

0.059

−0.011

0.14

**

0.063

**

Health: Missing

0.236

***

0.085

0.026

Urban

0.05

*

0.016

0.093

***

0.105

***

0.079

***

0.078

***

Working at a labor intensive Industry

−0.08

0.036

−0.241

−0.22

*

−0.267

**

−0.149

**

Working at a brain intensive industry

−0.087

0.06

−0.237

−0.154

0.156

−0.021

Unknown Occupation

0.525

***

0.859

*

0.581

***

0.462

***

0.374

***

0.426

***

Constant

5.875

***

6.381

***

6.881

***

6.676

***

7.656

***

6.228

***