Effect of social integration on childbirth return among internal migrant pregnant women: a nationally representative study in China

Table 3 Association between social integration and childbirth return among internal migrant women in China, 2014

Variables	Regression Model 1			Regression Model 2
Variables	OR	95%CI	P	OR	95%CI	P
Household monthly income ^a
Q1	1.0			1.0
Q2	1.050	0.718–1.535	0.801	1.040	0.700–1.547	0.845
Q3	1.021	0.731–1.426	0.905	1.190	0.826–1.713	0.350
Q4	0.971	0.626–1.505	0.894	1.402	0.886–2.218	0.149
Housing type
Rent or borrow	1.0			1.0
Own	0.311	0.196–0.493	0.000	0.351	0.207–0.595	0.000
Others	2.038	1.180–3.521	0.011	1.608	1.007–2.568	0.047
Duration of stay in current residence
< 5 years	1.0			1.0
≥ 5 years	0.413	0.301–0.566	0.003	0.449	0.322–0.626	0.000
Willingness to stay for a long time
No	1.0			1.0
Yes	0.634	0.471–0.853	0.003	0.731	0.537–0.995	0.046
Age				1.007	0.974–1.040	0.694
Education level
Middle school and below				1.0
High school				0.735	0.531–1.019	0.065
Above high school				0.369	0.238–0.572	0.000
Family members in current residence
≤ 2				1.0
3				0.271	0.170–0.432	0.000
4				0.146	0.088–0.240	0.000
> 4				0.122	0.055–0.269	0.000
Hukou
Rural				1.0
Urban				0.871	0.567–1.337	0.527
Migration reason
Work and business				1.0
Accompany				1.748	1.311–2.332	0.000
Others				1.128	0.438–2.905	0.803
Establishment of health records
No				1.0
Yes				0.678	0.470–0.978	0.038
Social medical insurance status
Uninsured				1.0
Insured				2.048	1.280–3.278	0.003

^aQuartile 1 (Q1) is the lowest (poorest) and Quartile 4 (Q4) is the highest (richest) group

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