Table 2 Evaluation of delivery method and weight status measures (BMI z-score and POW) at 1, 3, and 6 years of age.

From: Evaluating the association between caesarean delivery and weight status in early childhood in a Japanese birth cohort study

 

Vaginal delivery

Caesarean delivery

p

n

(%)

n

(%)

Follow-up at 1 year old (n = 1176)

BMI z-scores

 < 25%tile

211

(25.1)

83

(24.9)

.931

25–75%tile

423

(50.2)

165

(49.4)

 

 > 75%tile

208

(24.7)

86

(25.8)

 

Mean (SD):

0.10

(0.92)

0.15

(0.87)

 

POW (%)

 < 25%tile

209

(24.8)

85

(25.5)

.798

25–75%tile

426

(50.6)

162

(48.5)

 

 > 75%tile

207

(24.6)

87

(26.1)

 

Mean (SD):

0.11

(7.67)

0.04

(7.48)

 

Follow-up at 3 years old (n = 895)

BMI z-scores

 < 25%tile

151

(24.2)

72

(26.5)

.711

25–75%tile

313

(50.2)

136

(50.0)

 

 > 75%tile

159

(25.5)

64

(23.5)

 

Mean (SD):

0.18

(0.93)

0.17

(0.97)

 

POW (%)

     

 < 25%tile

158

(25.4)

68

(25.0)

.941

25–75%tile

311

(49.9)

138

(50.7)

 

 > 75%tile

154

(24.7)

66

(24.3)

 

Mean (SD):

1.18

(7.55)

1.07

(7.65)

 

Follow-up at 6 years old (n = 647)

BMI z-scores

 < 25%tile

119

(26.0)

42

(22.2)

.421

25–75%tile

222

(48.5)

102

(54.0)

 

 > 75%tile

117

(25.6)

45

(23.8)

 

Mean (SD):

-0.35

(0.97)

-0.37

(0.87)

 

POW (%)

 < 25%tile

113

(24.7)

49

(25.9)

.797

25–75%tile

227

(49.6)

96

(50.8)

 

 > 75%tile

118

(25.8)

44

(23.3)

 

Mean (SD):

-2.27

(8.60)

-2.30

(8.53)

 
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