Table 1

Demographics of mothers and their offspring

Afro-CaribbeanNorthern EuropeanMexican AmericanThai
Maternal parity, N (%)
 First child189 (47.2)203 (50.8)85 (21.2)211 (52.8)
 Second child or more211 (52.8)197 (49.2)315 (78.8)189 (47.2)
Newborn sex, N (%)
 Male208 (52.0)209 (52.2)180 (45.0)201 (50.2)
 Female192 (48.0)191 (47.8)220 (55.0)199 (49.8)
Mode of delivery, N (%)
 Vaginal365 (91.2)294 (73.5)319 (79.8)287 (71.8)
 Prelabor cesarean section22 (5.5)64 (16.0)58 (14.5)70 (17.5)
 In-labor cesarean section13 (3.2)42 (10.5)23 (5.8)43 (10.8)
Maternal characteristics, mean (SD)
 Age at OGTT (years)25.7 (5.63)29.4 (5.12)29.0 (5.30)28.0 (5.80)
 BMI at OGTT (kg/m2)28.2 (6.26)29.2 (5.27)29.6 (5.19)25.8 (3.66)
 Mean arterial pressure (mmHg)78.9 (7.51)83.1 (6.89)82.6 (7.32)79.5 (7.13)
 Fasting plasma glucose (mg/dL)80.6 (6.99)82.1 (6.14)83.7 (7.20)80.1 (6.50)
 1-h plasma glucose (mg/dL)123.2 (28.99)131.7 (27.24)135.6 (33.88)148.0 (30.92)
 2-h plasma glucose (mg/dL)109.4 (22.51)111.0 (20.34)110.5 (23.03)118.5 (23.92)
 Insulin sensitivity4.1 (1.73)3.7 (1.44)3.1 (1.20)4.0 (1.45)
Newborn characteristics, mean (SD)
 Gestational age at OGTT (weeks)27.1 (1.84)28.6 (1.37)26.9 (2.10)28.1 (1.85)
 Gestational age at delivery (weeks)39.8 (1.21)40.2 (1.15)39.7 (1.14)39.4 (1.26)
 Cord C-peptide (μg/L)1.0 (0.59)1.1 (0.56)1.1 (0.55)1.0 (0.50)
 Birth weight (g)3,250.8 (440.34)3,667.6 (485.28)3,555.2 (444.09)3,148.2 (373.52)
 SSF (mm)11.6 (1.82)12.8 (2.74)14.2 (3.06)11.6 (2.34)
 Sample storage time (years)12.1 (1.19)9.7 (1.26)11.7 (1.60)11.2 (0.93)