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Table 1 The characteristics of the study participants

From: Factors associated with a low prevalence of exclusive breastfeeding during hospital stay in urban and semi-rural areas of southern Vietnam

Characteristic Total (n = 6706) Urban (n = 4248) Semi-rural (n = 2458)
n 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)   0 (0)
 5th quintile (highest)   1312 (20)   1312 (31)   0 (0)
Mother
 Primiparous 6702 3863 (58) 4247 2371 (56) 2455 1492 (61)
 Age a (years) 6702 27 (23, 31) 4245 28 (24, 32) 2457 25 (21, 29)
 Ethnic 6701   4247   2454  
 Kinh   6397 (95)   3948 (93)   2449 (99)
 Chinese   246 (4)   246 (6)   0 (0)
 Other   58 (1)   53 (1)   5 (<  1)
 High education 6702 2253 (34) 4247 1692 (40) 2455 561 (23)
 Currently married 6702 6611 (99) 4247 4171 (98) 2455 2440 (99)
 In-paid employment mother 6702 4425 (66) 4247 2737 (64) 2455 1688 (69)
 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
 Ethnic 6695   4242   2453  
 Kinh   6232 (93)   3784 (89)   2448 (99)
 Chinese   401 (6)   401 (9)   0 (0)
 Other   62 (1)   57 (1)   5 (<  1)
 High education 6696 2629 (39) 4242 1931 (46) 2454 698 (28)
 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)
 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 57 (2)
  1. adescribed in median (interquartile)
  2. High education: completed lower secondary school (> 9 years of education), Premature at birth: gestational age at birth < 37 weeks, Low birthweight: birthweight < 2500 g