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Table 2 Logistic regression of the effect of internal migrant status (Hukou) on the rate of high-risk pregnancies

From: The relationship between internal migration and the likelihood of high-risk pregnancy: Hukou system and high-risk pregnancies in China

Variable

Model 1

Model 2

Model 3

Marginal effects

P-value

Marginal effects

P-value

Marginal effects

P-value

(1)

(2)

(3)

(4)

(5)

(6)

Migrant status

0.038***

 < 0.001

0.050***

 < 0.001

0.060***

 < 0.001

Age

  

–0.019***

 < 0.001

–0.013***

–0.004

Age square

  

0.001***

 < 0.001

0.001***

 < 0.001

Ethnic group

  

–0.061***

 < 0.001

–0.067***

 < 0.001

Nationality

  

0.070**

–0.026

0.059*

–0.07

Occupation

  

–0.017***

–0.004

0.003

–0.676

Marriage status

  

0.005

–0.871

0.018

–0.579

Insurance status

  

–0.059***

 < 0.001

–0.046***

 < 0.001

Gravida

    

0.015***

 < 0.001

Parity

    

0.004

–0.32

Severe pregnant

    

0.258***

 < 0.001

Cesarean delivery

    

0.262***

 < 0.001

Observations (N)

133,358

133,358

133,358

133,358

133,358

133,358

  1. * p < 0.05, ** p < 0.01, *** p < 0.001