Table 1 Characteristics of small-for-gestational age children at birth.

From: Gestational age-dependency of height and body mass index trajectories during the first 3 years in Japanese small-for-gestational age children

 

Term birth

Preterm birth

39–41 weeks GA n = 723

37–38 weeks GA n = 256

34–36 weeks GA n = 62

<34 weeks GA n = 22

GA

39.8 ± 0.75

37.6 ± 0.49**

35.3 ± 0.78**

31.4 ± 1.94**

BW, g

2554 ± 286

2216 ± 336**

1682 ± 265**

1189 ± 364**

BW SDS

−1.72 ± 0.87

−1.79 ± 1.00

−2.34 ± 0.69**

−2.19 ± 1.37

BL, cm

45.6 ± 1.49

43.5 ± 1.93**

41.0 ± 2.29**

34.6 ± 4.23**

BL SDS

−2.11 ± 0.72

−2.06 ± 0.75

−1.93 ± 0.69

−2.74 ± 1.07*

Male (%)

285 (39.4)

110 (43.0)

43 (69.4) **

8 (36.4)

First birth (%)

444 (61.4)

128 (50.0) **

33 (53.2)

8 (36.4) *

Maternal smoking (%)

76 (10.5)

28 (10.9)

3 (4.8)

2 (9.1)

  1. Data are shown as mean ± standard deviation or number (%). BL, birth length; BW, birth weight; GA, gestational age. *p < 0.05 and **p < 0.01 compared with 39–41 weeks GA.
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