Variable

Definition

Sample size

Average

Standard deviation

Minimum

Maximum

Basic endowment insurance

yes = 1, no = 0

1780

0.502

0.500

0

1

Basic medical insurance

yes = 1, no = 0

1780

0.693

0.461

0

1

Unemployment insurance

yes = 1, no = 0

1780

0.237

0.425

0

1

Work injury insurance

yes = 1, no = 0

1779

0.352

0.478

0

1

Labor contract

yes = 1, no = 0

1798

1.371

0.483

1

2

Labor union

yes = 1, no = 0

1791

1.847

0.360

1

2

Registered residence

local rural household = 1, local urban household = 2, foreign rural household = 3, foreign urban household = 4

1800

2.619

0.973

1

4

Age

specific number

1769

27.086

7.228

16

62

Gender

man = 1, woman = 0

1800

1.397

0.489

1

2

Marital status

unmarried = 1, married = 2, divorced = 3, widowed = 4

1795

1.345

0.494

1

4

Education status

primary school and below = 1, junior high school = 2, high school = 3, college = 4, undergraduate = 5, master degree and above = 6

1800

3.433

1.067

1

6

Industry category

processing and manufacturing = 1, construction industry = 2, retail and wholesale business = 3, tourism industry = 4, hotel catering and entertainment industry = 5, financial industry = 6, transportation and logistics = 7, housekeeping services = 8, real estate industry = 9, education and training = 10, IT Equipment/Services/Software = 11, other = 12

1795

5.495

3.944

1

12

Enterprise ownership

state-owned enterprises = 1, private enterprise = 2, Hong Kong enterprises = 3, Taiwan-funded enterprises = 4, Japanese companies = 5, Korean-funded enterprises = 6, European and American companies = 7, Collective enterprises = 8, other = 9

1785

2.494

1.893

1

9