Table 4 GUSTO participants’ characteristics by birth weight group. Data are expressed as means (standard deviations) or number of participants (percentages).

From: Birth weight and catch up growth are associated with childhood impulsivity in two independent cohorts

Sample characteristics

Non-IUGRs (n = 299)

IUGRs (n = 28)

p

Birth weight (kg)a

3.20 (0.36)

2.55 (0.17)

<0.0001

Females (%)b

158 (52.8%)

15 (53.6%)

1.00

Gestational age (weeks)a

38.65 (1.06)

38.86 (1.21)

0.32

Maternal attained education below University (%)b

182 (61.7%)

23 (82.1%)

0.04

Family income below $6000 (%)b

190 (67.4%)

20 (76.9%)

0.38

Body mass index z-score at 48 months (kg/m2)a

0.19 (1.19)

−0.28 (1.01)

0.04

  1. aStudent’s t-test and bChi-square test.
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