Table 1.

Descriptive analysis of individual variables

Variable		n	%
Ethnicity: Kinh		7,274	87.2
Residence: living in urban		2,436	29.2
	15–19	143	1.7
	20–24	828	9.9
Age	25–29	1,498	18.0
	30–34	1,643	19.7
	35–39	1,530	18.3
	40–44	1,456	17.5
	45–49	1,244	14.9
	No school	396	4.7
	Primary school	1,626	19.5
Education	Lower secondary school	3,739	44.8
	Upper secondary school	1,413	16.9
	College/university	1,167	14.1
Having any living son		5,975	71.6
	No child	537	6.5
Number of living children	1 child	1,977	23.7
	2 children	3,883	46.5
	3 children or more	1,944	23.3
	Any modern method	4,992	59.8
Use of contraceptive	Any traditional method	1,495	17.9
	Any method	6,487	77.8