Table 1 Variable selection (n = 3333)

Dependent variable

Social integration

10 social integration indicators were selected for factor analysis and the comprehensive score was obtained

-3.3 × 10^–5

33.220

6.469

34.383

-1.441

32.799

Independent variable

Location of SMI

hometown = 0, host city = 1

0.18

0.386

-

-

-

-

Social variables

Gender

male = 1, female = 2

1.40

0.490

1.42

0.495

1.39

0.489

Education level

Primary school and below = 1,Junior middle school = 2, high school and above = 3

1.42

0.628

1.36

0.591

1.43

0.635

Health status

Health = 1, unhealthy = 2

1.22

0.416

1.31

0.461

1.21

0.404

Household variables

Marital status

Marriage remarried cohabitation = 1, unmarried, divorced or widowed = 2

1.16

0.368

1.17

0.379

1.16

0.365

Average household monthly income

3000 below for = 1,3000–5999 for = 2, 6000–8999 for = 3, and above 9000 = 4

1.87

1.043

1.66

0.942

1.91

1.059

Short-stay intention

Unwilling = 1, willing = 2

1.20

0.402

1.11

0.318

1.22

0.416

Settlement intention

Unwilling = 1, willing = 2

1.63

0.483

1.51

0.500

1.66

0.475

Social variables

Term of a labour contract

No fixed term = 1, with fixed term = 2

1.78

0.196

1.76

0.200

1.78

0.195

Reasons for unemployment

Family factor = 1, occupational environment factor = 2, personal physical, psychological and other factors = 3, non-labor force stage and other = 4

2.74

0.829

2.82

0.782

2.72

0.839

Employment identity

Employee = 1, employer or self-operator = 2

1.43

0.325

1.43

0.289

1.44

0.333

health record

Yes = 1, no = 2, unclear = 3

1.85

0.639

1.74

0.725

1.87

0.616

Migrant characteristic

Migrant range

trans-provincial = 1, Inter-city within the province = 2, The city crosses the county = 3, cross border = 4

1.80

0.782

1.71

0.754

1.83

0.787

Migrant time

Below 5 years = 1,5–10 years = 2, above 10 years = 3

1.92

0.868

2.26

0.855

1.84

0.852

Migration reason

employment = 1, family members move = 2, relocation and move = 3,to grow old = 4, other = 5

1.70

0.928

1.79

1.042

1.68

0.900