Table 1.

Characteristics of respondents

Characteristics	Female		Male		Total		p-value
	n	%	n	%	n	%
Age (years)							<0.05
≤25	118	37.6	62	54.8	180	42.2
25–40	180	57.3	44	38.9	224	52.5
>40	16	5.1	7	6.2	23	5.4
Ethnicity							0.09
Kinh	308	98.4	108	95.6	416	97.7
Other	5	1.6	5	4.4	10	2.4
Educational level							<0.01
Secondary school or less	13	4.1	2	1.8	15	3.5
High school	85	27.1	57	50.4	142	33.3
Greater than high school	216	68.8	54	47.8	270	63.2
Religion							0.01
None	308	98.7	106	93.8	414	97.4
Other	4	1.3	7	6.2	11	2.6
Marital status							<0.01
Single/divorced/widowed	138	44.0	78	69.0	216	50.6
Living with spouse/partner	176	56.1	35	31.0	211	49.4
Occupation							<0.01
Freelancer	34	11.0	12	10.6	46	10.9
White-collar worker	149	48.1	34	30.1	183	43.3
Student	100	32.3	60	53.1	160	37.8
Other	27	8.7	7	6.2	34	8.0
	Mean	SD	Mean	SD	Mean	SD	p-value
Age (years)	27.0	5.7	26.3	7.6	26.8	6.2	0.31
Monthly household income (million VNDa)	14.3	11.3	20.0	58.0	15.9	32.2	0.46

Note:

^a1 US$ = 22,222 Vietnamese dong (VND).