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Table 3 Interns’ (n = 44) knowledge and attitude percent scores before and after the educational breastfeeding intervention at Cairo University Hospital, 2017–2018

From: Effect of an educational intervention on breastfeeding knowledge and attitude among interns at Cairo University Hospital

Knowledge scores

Before intervention

Immediately after intervention

3 months after intervention

P values (Wilcoxon sign rank test)

Mean ± SD

Median (IQR)

Mean ± SD

Median (IQR)

Mean ± SD

Median (IQR)

P1a

P2b

P3c

Advantages for the baby

71.2 ± 21.7

83.3 (66.7–83.3)

93.6 ± 14.0

100 (100–100)

95.8 ± 7.3100 (87.5–100)

< 0.001*

0.13

< 0.001*

Maternal benefits versus limitations

75 ± 16.3

75 (66.7–83.3)

93.6 ± 9.7

100 (83.3–100)

87.1 ± 16.0

83.3 (83.3–100)

< 0.001*

0.025

0.001*

Colostrum

68.8 ± 24.2

75 (50–75)

89.8 ± 16.5

100 (75–100)

86.9 ± 19

100 (75–100)

< 0.001*

0.30

0.001*

Effective feeding

90.9 ± 18.1

100 (100–100)

92.4 ± 17.4

100 (100–100)

92.4 ± 15.9

100 (100–100)

0.64

0 .73

0.79

Duration

55.7 ± 27.4

58.3 (33.3–83.3)

88.3 ± 15.1

91.7 (83.3–100)

85.2 ± 17

91.7 (70.9–100)

< 0.001*

=.098

< 0.001*

Complementary feeding

56.4 ± 26

60 (40–80)

76.4 ± 23.3

80 (60–100)

70. ± 24.6

80 (60–100)

< 0.001*

0.15

0.005*

Breast milk expression

21.9 ± 24.7

20 (0–40)

46.8 ± 22

40 (40–60)

48.6 ± 22.6

40 (40–60)

< 0.001*

0.67

< 0.001*

Problems with breastfeeding

39.1 ± 14.6

40 (28.3–46.7)

82.9 ± 14.5

86.7 (73.3–93.3)

67.1 ± 18.9

73.33 (55–80)

< 0.001*

< 0.001

< 0.001*

Practical aspects of breastfeeding

47.4 ± 20.5

50 (27–66.7)

74.1 ± 14.5

75 (66.7–83.3)

65.3 ± 19.9

66.7 (50–83.3)

< 0.001*

0.003

< 0.001*

Total knowledge

53.3 ± 12.4

52.4 (45.2–62.5)

81.2 ± 8.6

80.7 (74.6–88.7)

74.5 ± 11.5

75.8 (69.4–81.9)

< 0.001*

< 0.001

< 0.001*

Attitude

80.2 ± 8.6

81.2 (75.6–84.4)

86.6 ± 6.6

87.1 (82.4–91.8)

83.4 ± 9

84.71 (77.9–89.4)

< 0.001*

.027

.005*

  1. aP1: p value between before and immediately after intervention
  2. bP2 p value between immediately after and 3 months after intervention
  3. cP3 p value between before and 3 months after intervention