Table 3 The binomial logistic regression of demographic characteristics, oral health and social support of MCS

Hukou

 Urban

1.0

1.0

1.0

 Rural

2.114

1.059–4.211

1.991

0.984–4.031

1.901

0.934–3.867

Marriage Status

 Mateless

1.0

1.0

1.0

 Married

0.554

0.321–0.956

0.584

0.335–1.020

0.658

0.368–1.175

Education

 Illiterate

1.0

1.0

1.0

 Primary school

0.605

0.386–1.095

0.632

0.371–1.077

0.673

0.394–1.152

 Junior high school

1.005

0.599–1.686

1.112

0.654–1.890

1.167

0.683–1.993

 High school and above

1.079

0.583–1.999

1.270

0.675–2.388

1.390

0.734–2.633

Comparison of Monthly Household Income with Others Around

 Higher

1.0

1.0

1.0

 Similar

1.068

0.537–2.122

0.971

0.586–2.138

0.935

0.461–1.894

 Lower

0.456

0.228–0.913

0.414

0.204–0.840

0.393

0.193–0.803

Temporary Residence Permit

 Without

1.0

1.0

1.0

 With

2.255

1.394–3.647

2.114

1.289–3.465

1.943

1.179–3.203

Type of Accompanying Space

 Cross- provincial

1.0

1.0

1.0

 Cross prefecture level cities

0.526

0.226–1.041

0.551

0.274–1.110

0.587

0.290–1.187

 Cross- district/county

1.021

0.486–2.146

1.133

0.530–2.422

1.185

0.552–2.546

Migration Willing

 Willing

1.0

1.0

1.0

 Neutral

2.109

1.135–3.918

2.083

1.100–3.942

2.006

1.055–3.815

 Reluctant

1.479

0.734–2.979

1.566

0.760–3.224

1.506

0.729–3.142

Oral Health

 Good

1.0

1.0

 General

3.097

1.881–5.098

2.938

1.780–4.848

 Poor

1.827

1.139–2.932

1.783

1.106–2.874

Social Support

 Good

1.0

 General

3.740

0.487–28.720

 Poor

1.979

1.131–3.464