The effects of compulsory health insurance on birth outcomes: evidence from China’s UEBMI scheme

Table 1 Summary statistics on the characteristics of the study population (those with UEBMI vs. those without any insurance)

	All (N = 160,429)		Without any insurance (N = 59,276)		With UEBMI (N = 101,153)
Variable	Mean	S.D.	Mean	S.D.	Mean	S.D.
A: Individual characteristics
Age	30.770	3.933	30.780	4.323	30.760	3.686
Age square	962.000	249.200	965.900	271.900	959.800	234.900
Migrant status	0.391	0.488	0.487	0.500	0.334	0.472
Gravidity	1.822	1.102	1.972	1.215	1.734	1.020
Parity	1.256	0.460	1.315	0.506	1.222	0.427
Employed	0.943	0.233	0.886	0.317	0.976	0.154
Ethnic status	0.986	0.117	0.985	0.120	0.987	0.115
Nationality	0.998	0.047	0.994	0.076	1.000	0.007
Marriage status	0.998	0.045	0.996	0.061	0.999	0.031
C-section	0.416	0.493	0.451	0.498	0.395	0.489
B: Birth outcomes
Birth weight (in grams)	3294.000	486.500	3274.000	517.600	3305.000	466.900
Low birth weight (< 2500 g)	0.050	0.218	0.059	0.235	0.045	0.206
Very low birth weight (< 1500 g)	0.00564	0.0749	0.00679	0.0821	0.00448	0.0668
Low Apgar score (< 7 scores)	0.008	0.090	0.010	0.098	0.007	0.085
Prematurity (< 37 weeks)	0.0624	0.242	0.0739	0.262	0.0557	0.229
Abnormal health condition at birth (AHCAB)	0.216	0.412	0.249	0.432	0.197	0.398
C: Maternal health behavior indicators
High-risk pregnancy	0.568	0.495	0.602	0.489	0.548	0.498
Pregnancy complications	0.145	0.352	0.163	0.369	0.135	0.341
Any condition (gestational diabetes, hypertension, anemia)	0.106	0.308	0.131	0.337	0.0914	0.288

ISSN: 1472-6963