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Table 1 Preprocessing of control variables

From: How does air pollution affect urban settlement of the floating population in China? New evidence from a push-pull migration analysis

Variables

Processing

Panal A: City level

Lnpgdp

Logarithm of GDP per capita

Unemployment

Unemployment rate

Undergraduate

Number of college students per 10,000 people

Pop

City population at the end of the year

Perroad

Road area per capita

Rubbish

The decontamination rate of urban refuse

Migrate

1-East to east

2-Mid-west to east

3-East to mid-west

4-Mid-west to mid-west

Panal B: Individual level

 Education

1-Primary and below

Status

1-Employee

2-Junior school

 

2-Employer

3-Senior school

 

3-Self-employment

4-college and above

 

4-Others

 Marriage

0-Unmarried

Income

1-Less than 4200

1-Married

 

2–4200-6000

 Family

1-Single

 

3–6000-9000

2-Spouse

 

4–9000 and above

3-Child

House

1-Free housing

4-Parents

 

2-Tenement

4-Others

 

3-Self-buying

 Hukou

0-Urban

Medical insurance

0-No

1-Rural

 

1-Yes

 Range

0-Inter-provincial

Social security card

0-No

1-Intra-provincial

 

1-Yes

 Duration

Duration of this migration

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