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Table 2 Demographic characteristics of participators in EBF group and NBF group (n = 421)

From: Effects of baby-friendly practices on breastfeeding duration in China: a case-control study

Characteristic

Total Sample n(%) /Mean ± Sd

EBF Group

NBF Group

χ2/ t

p

Child’s gender

   

0.487

0.485

 Boy

226 (53.68)

128 (52.24)

98 (55.68)

  

 Girl

195 (46.32)

117 (47.76)

78 (44.32)

  

Child’s ethnicity

   

0.006

0.940

 Han

338 (80.29)

197 (80.41)

141 (80.11)

  

 Other national

83 (19.71)

48 (19.59)

35 (19.89)

  

Delivery mode

   

8.691

0.003

 Natural delivery

234 (55.58)

151 (61.63)

83 (47.16)

  

 Caesarean section

187 (44.42)

94 (38.37)

93 (52.84)

  

Mother’s education level

   

6.280

0.179

 Completed junior high school or less

53 (12.59)

25 (10.20)

28 (15.91)

  

 Completed senior high school or technical certificate

75 (17.81)

40 (16.33)

35 (19.89)

  

 College degree

114 (27.08)

68 (27.76)

46 (26.14)

  

 University degree

156 (37.05)

95 (38.78)

61 (34.66)

  

 Graduate degree

23 (5.46)

17 (6.94)

6 (3.41)

  

Mother’s age

30.00 ± 4.50

30.00 ± 4.04

30.00 ± 5.06

−1.156

0.248

Father’s education level (n=420)

   

10.293

0.036

 Completed junior high school or less

53 (12.62)

31 (12.65)

22 (12.57)

  

 Completed senior high school or technical certificate

76 (18.10)

34 (13.88)

42 (24.00)

  

 College degree

112 (26.67)

70 (28.57)

42 (24.00)

  

 University degree

153 (36.43)

90 (36.73)

63 (36.00)

  

 Graduate degree

26 (6.19)

20 (8.16)

6 (3.43)

  

Father’s age

31.00 ± 5.63

31.00 ± 6.09

31.00 ± 5.28

−0.322

0.747

Family structure

   

1.310

0.520

 Nuclear family

159 (37.77)

98 (40.00)

61 (34.66)

  

 Extended family

258 (61.28)

145 (59.18)

113 (64.20)

  

 Single-parent or reconstituted family

4 (0.95)

2 (0.82)

2 (1.14)

  

Per capita monthly income (USD, n=420)

   

2.511

0.643

  ≤ 435

50 (11.90)

27 (11.02)

23 (13.14)

  

 435- < 725

101 (24.05)

54 (22.04)

47 (26.86)

  

 725- < 1000

92 (21.90)

54 (22.04)

38 (21.71)

  

 1000- < 1445

69 (16.43)

42 (17.14)

27 (15.43)

  

  ≥ 1445

108 (25.71)

68 (27.76)

40 (22.86)

  

Children number in family (n=419)

   

0.087

0.769

 Multiple children

151 (36.04)

89 (36.63)

62 (35.23)

  

 One-child

268 (63.96)

154 (63.37)

114 (64.77)

  

Location of hospital

   

24.41

< 0.001

 Site A

120 (28.50)

62 (25.31)

58 (32.95)

  

 Site B

117 (27.79)

69 (28.16)

48 (27.27)

  

 Site C

119 (28.27)

59 (24.08)

60 (34.09)

  

 Site D

65 (15.44)

55 (22.45)

10 (5.68)

  
  1. EBF exclusive breastfeeding, NBF non-breastfeeding