Table 5 Predictors of latent profile membership

Age

-0.058

0.944**

0.912–0.976

-0.001

0.999

0.963–1.036

Gender

 Male

-0.416

0.659***

0.577–0.753

0.030

1.030

0.898–1.181

 Female

Ref

Ref

Marital status

 Single/Divorced

-0.618

0.539*

0.320–0.907

-0.440

0.644

0.367–1.130

 Married

Ref

Ref

Place of origin

 Rural

-0.032

0.968

0.862–1.087

-0.146

0.864*

0.762–0.980

 Urban

Ref

Ref

First volunteer

 Yes

-0.181

0.834***

0.760–0.916

-0.056

0.945

0.852–1.049

 No

Ref

Ref

Education Level

 Senior college

0.071

1.074

0.687–1.677

-0.024

0.976

0.601–0.922

 General Undergraduate

-0.055

0.947

0.655–1.369

0.058

1.060

0.705–1.593

 Double-class institutions

Ref

Ref

Highest Degree

 Junior college

-1.270

0.281***

0.167–0.472

-0.577

0.561*

0.321–0.982

 Bachelor’s

-0.652

0.521**

0.335–0.810

-0.422

0.656

0.406–1.059

 Master’s and above

Ref

Ref

Student leader experience

 Yes

0.158

1.171**

1.057–1.298

0.431

1.538***

1.377–1.718

 No

Ref

Ref

Political Appearance

 Member of the Communist Youth League

1.062

2.893**

1.482–5.647

0.856

2.354*

1.158–4.783

 Preparatory member or member of the Communist Party of China

1.173

3.231**

1.554–6.717

0.849

2.336*

1.072–5.090

 General public

1.004

2.729**

1.397–5.331

0.731

2.077*

1.021–4.226

 Others

Ref

Ref