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Characteristic
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Total (n = 6706)
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Urban (n = 4248)
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Semi-rural (n = 2458)
|
|---|
|
n
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Frequency (%)
|
n
|
Frequency (%)
|
n
|
Frequency (%)
|
|---|
|
Household income
|
6702
| |
4247
| |
2455
| |
|
1st quintile (lowest)
| |
1338 (20)
| |
47 (1)
| |
1291 (53)
|
|
2nd quintile
| |
1418 (21)
| |
310 (7)
| |
1108 (45)
|
|
3rd quintile
| |
1713 (26)
| |
1657 (39)
| |
56 (2)
|
|
4th quintile
| |
921 (14)
| |
921 (22)
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0 (0)
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|
5th quintile (highest)
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1312 (20)
| |
1312 (31)
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0 (0)
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|
Mother
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Primiparous
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6702
|
3863 (58)
|
4247
|
2371 (56)
|
2455
|
1492 (61)
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Age a (years)
|
6702
|
27 (23, 31)
|
4245
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28 (24, 32)
|
2457
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25 (21, 29)
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|
Ethnic
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6701
| |
4247
| |
2454
| |
|
Kinh
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6397 (95)
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3948 (93)
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2449 (99)
|
|
Chinese
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246 (4)
| |
246 (6)
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0 (0)
|
|
Other
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58 (1)
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53 (1)
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5 (< 1)
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High education
|
6702
|
2253 (34)
|
4247
|
1692 (40)
|
2455
|
561 (23)
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|
Currently married
|
6702
|
6611 (99)
|
4247
|
4171 (98)
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2455
|
2440 (99)
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|
In-paid employment mother
|
6702
|
4425 (66)
|
4247
|
2737 (64)
|
2455
|
1688 (69)
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|
Living with others
|
6699
|
6529 (97)
|
4247
|
4095 (96)
|
2452
|
2434 (99)
|
|
Complication during pregnancy
|
6706
|
1259 (19)
|
4248
|
950 (22)
|
2458
|
309 (13)
|
|
HIV and/or Hepatitis B infection
|
6706
|
313 (5)
|
4248
|
290 (7)
|
2458
|
23 (1)
|
|
Father
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|
Ethnic
|
6695
| |
4242
| |
2453
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|
Kinh
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6232 (93)
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3784 (89)
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2448 (99)
|
|
Chinese
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401 (6)
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401 (9)
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0 (0)
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|
Other
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62 (1)
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57 (1)
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5 (< 1)
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High education
|
6696
|
2629 (39)
|
4242
|
1931 (46)
|
2454
|
698 (28)
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|
In-paid employment father
|
6696
|
6659 (99)
|
4242
|
4210 (99)
|
2454
|
2449 (100)
|
|
Infant
|
|
Premature at birth
|
6706
|
199 (3)
|
4248
|
149 (4)
|
2458
|
50 (2)
|
|
Male
|
6706
|
3503 (52)
|
4248
|
2248 (53)
|
2458
|
1255 (51)
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|
Caesarean section
|
6706
|
1877 (28)
|
4248
|
1715 (40)
|
2458
|
162 (7)
|
|
Low birthweight
|
6706
|
309 (5)
|
4248
|
199 (5)
|
2458
|
110 (4)
|
|
Neonatal complication at birth
|
6706
|
275 (4)
|
4248
|
218 (5)
|
2458
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57 (2)
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- adescribed in median (interquartile)
- High education: completed lower secondary school (> 9 years of education), Premature at birth: gestational age at birth < 37 weeks, Low birthweight: birthweight < 2500 g
