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Table 5 Factors associated with exclusive breastfeeding duration: results obtained by Kaplan Meier curve

From: Factors associated with post NICU discharge exclusive breastfeeding rate and duration amongst first time mothers of preterm infants in Shanghai: a longitudinal cohort study

Variable

The type of breastfeeding outcome

Median.

95%CI

Kaplan-Meier

censoring

Breastfeeding(N)

N%.

(Month)

χ2

P

Planned pregnancy

     

7.264

0.026

 Unprepared

13

59

81.944

3.6

2.98,4.22

  

 Prepared

51

277

84.451

3.5

3.20,3.80

  

 Fully prepared

26

74

74

4.2

3.45,4.95

  

Deliver milk to the infants in NICU

     

15.346

<0.001

 Yes

62

199

76.245

4.3

4.06,4.54

  

 No

28

211

88.285

3.5

3.27,3.73

  

Husband’s attitude towards breastfeeding.

     

16.649

0.005

 5

2

5

71.429

4.3

2.25,6.35

  

 6

1

10

90.909

2.0

0.00,4.05

  

 7

0

1

100.000

0.8

–

  

 8

9

45

83.333

3.5

2.87,4.13

  

 9

4

27

87.097

3.8

3.18,4.42

  

 10

74

322

81.313

3.6

3.33,3.87

  

Type of feeding in NICU

     

45.371

<0.001

 Exclusive breastfeeding.

31

15

39.474

6

–

  

 Mixed feeding.

23

189

89.231

3.5

3.25,3.75

  

 Formula

36

206

82.772

3.7

3.29,3.92

  

Breastfeeding knowledge level (points)

     

82.015

<0.001

  ≥ 14

80

184

69.697

4.5

4.08,4.93

  

 <14

10

226

95.763

2.8

2.47,3.13

  

Breastfeeding self-efficacy (points)

     

53.184

<0.001

  ≥ 44

66

135

67.164

4.4

3.94,4.86

  

 <44

24

275

91.973

3.5

3.16,3.84

  

Postpartum depression (points)

     

53.221

<0.001

  ≥ 14

75

185

92.5

4.3

3.95,4.65

  

 <14.

15

225

75

3.1

2.85,3.35

  

Family support (points)

     

86.196

<0.001

  ≥ 3.

83

175

67.829

4.4

3.954.85

  

 <3 .

7

235

97.107

3.9

2.66,3.14

  
  1. χ2:Chi-square test; P p-Value, CI Confidence Interval
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International Breastfeeding Journal

ISSN: 1746-4358