Variable N (%) ±SD
Sex:
Female 197 (43.2)
Male 257 (56.3)
Other 2 (.4)
Age:
Mean (Months) 11.64±28.8
Median (Months) 1.8
<1 Month 181 (39.7)
1-12 Months 199 (43.6)
12+ Months 76 (16.7)
Ethnicity
Kinh 417 (91.4)
H'mong 6 (1.3)
Mướng 4 (.9)
Tày 7 (1.53)
Other 22 (4.8)
Family members:
Mean 4.8±1.3
Median 5
2-4 members 222 (48.7)
5-6 members 198 (43.4)
7+ members 36 (7.9)
Parent’s highest education:
Primary 9 (2.02)
Lower secondary 91 (20.4)
Upper secondary 146 (32.7)
Technical/vocational 47 (10.5)
College/university 153 (34.3)
Family income per person per million VND:
<1 29 (6.39)
1-1.3 89 (19.6)
1.3-2 30 (6.61)
>2 289 (63.7)
Other 17 (3.7)