Table 1.

Characteristics of the study population (A), RIN and bench time (B), and data distribution of the various parameters (C)

A
AllMalesFemales
N1114566
Birth weight3629 ± 4343722 ± 4163564 ± 438
Gestation39.8 ± 1.139.9 ± 1.139.7 ± 1.1
Age
 Mother31.3 ± 4.231.0 ± 4.331.5 ± 4.2
 Father32.8 ± 6.432.3 ± 4.333.7 ± 5.7
Mother BMI BP23.4 ± 3.923.1 ± 3.623.6 ± 4.1
Mother was pregnant before
 no35%34%36%
 yes65%66%64%
Mother smoked BP
 no84%82%85%
 occasional9%11%8%
 daily7%7%6%
Delivery start
 Spontaneous81%86%77%
 Induced12%7%16%
 Caesarean section7%7%8%
Caesarean sections
 Planned725
 Emergency743
B
RIN (0–10)8.0 ± 1.37.98 ± 1.307.97 ± 1.30
Bench time77.8 ± 172.458.77 ± 116.6690.63 ± 201.29
C
DR CALUX36.4± 9.8 (n = 43)37.4 ± 10.5 (n = 14)35.9 ± 9.6 (n = 29)
ERα CALUX15.6 ± 14.4 (n = 34)16.1 ± 10.6 (n = 17)15.2 ± 17.8 (n = 17)
AR CALUX0.08 ± 0.06 (n = 31)0.07 ± 0.03 (n = 16)0.09 ± 0.08 (n = 15)
AA Hb-adducts16.5 ± 6.6 (n = 84)16.0 ± 7.1 (n = 34)16.7 ± 6.4 (n = 50)
GA Hb-adducts10.0 ± 4.0 (n = 84)9.5 ± 3.8 (n = 34)10.3 ± 4.0 (n = 50)
‰MNBN1.2 ± 0.9 (n = 33)1.1 ± 0.8 (n = 13)1.2 ± 0.9 (n = 16)

Abbreviation: BP, before pregnancy; RIN, RNA integrity number; Bench time, time from blood collection to RNA stabilization.

Data are presented as mean ± SD unless stated otherwise. Birth weight expressed in g, gestation in weeks, age in years, bench time in minutes, DR CALUX in pg TEQ/gr fat, ERα CALUX (ng EEQ/mL plasma), AR CALUX (ng AEQ/mL plasma), Hb-adducts in pmol/g Hb, ‰MNBN in MN per 1,000 binucleated cells.