Table 2 Characteristics of the sample by AGA and SGA status.

Prenatal and maternal characteristics

   Girl (n/%)

344 (45.2)

31 (46.3)

0.87

0.76

   Multiple birth (n/%)

27 (3.5)

17 (25.4)

< 0.001

< 0.001

   Mother's smoking during pregnancy (n/%)

> 10

38 (5.0)

10 (14.9)

< 0.001

0.001

1-10

128 (16.8)

15 (22.4)

0.15

0.20

none

595 (78.2)

42 (62.7)

-

   Mother's age (years)

29.88 (5.2)

29.34 (5.1)

0.41

0.47

   Mother's height (cm)

164.34 (5.4)

162.51 (4.7)

0.01

0.01

   Mother's BMI at the end of pregnancy (m2/kg)

27.32 (4.0)

26.83 (3.7)

0.33

0.68

   Mother's change in weight during pregnancy (kg)

11.51 (4.64)

10.73 (4.4)

0.19

0.53

Birth characteristics

   Birth weight (grams)

3363 (670)

2054 (366)

< 0.001

-

   Gestational age (weeks)

38.4 (2.7)

37.0 (2.5)

< 0.001

-

   Birth weight standard deviation score

0.1 (0.9)

-2.7 (0.5)

< 0.001

-

Parental educational attainment (n/%)

High

178 (23.4)

13 (19.4)

-

-

Upper middle

223 (29.3)

13 (19.4)

0.58

0.55

Lower middle

271 (35.6)

30 (44.8)

0.23

0.23

Low

89 (11.7)

11 (16.4)

0.22

0.27

Child's General Reasoning at 56 months*

99.6 (17.1)

99.1 (17.1)

0.82

0.99