Table 1 Demographic characteristics of newborn CHAMACOS subjects, N = 111
From: Sex differences in DNA methylation assessed by 450 K BeadChip in newborns
Boys, N = 53 | Girls, N = 58 | ||||
|---|---|---|---|---|---|
N | % | N | % | P Value* | |
Country of birth | 0.18 | ||||
Mexico | 44 | 46.8 | 50 | 53.2 | |
United States | 6 | 42.9 | 8 | 57.1 | |
Other | 3 | 100 | 0 | 0 | |
Maternal age at delivery (years) | |||||
18–24 | 26 | 55.3 | 21 | 44.7 | 0.54 |
25–29 | 16 | 43.2 | 21 | 56.8 | |
30–34 | 8 | 38.1 | 13 | 61.9 | |
35–45 | 3 | 50 | 3 | 50 | |
Family income | 0.58 | ||||
Below poverty threshold | 32 | 50 | 32 | 50 | |
Above poverty threshold | 21 | 44.7 | 26 | 55.3 | |
Maternal BMI (kg/m2) | 0.31 | ||||
Normal | 24 | 51.1 | 23 | 48.9 | |
Overweight | 14 | 37.8 | 23 | 62.2 | |
Obese | 14 | 56 | 11 | 44 | |
Smoking during pregnancy | 0.07 | ||||
No | 51 | 50.5 | 50 | 49.5 | |
Yes | 2 | 20 | 8 | 80 | |
Boys, N = 53 | Girls, N = 58 | ||||
Mean ± SD | Mean ± SD | P Value** | |||
Gestational age (weeks) | 39.1 ± 1.4 | 38.7 ± 2.0 | 0.35 | ||
Birthweight (Kg) | 3.5 ± 0.5 | 3.4 ± 0.6 | 0.35 | ||
Blood cell composition (%) | |||||
Lymphocytes | 28.7 ± 4.5 | 29.6 ± 2.5 | 0.15 | ||
Monocytes | 7.1 ± 1.9 | 6.8 ± 1.8 | 0.48 | ||
Neutrophils | 60.5 ± 1.8 | 60.4 ± 2.9 | 0.53 | ||
Eosinophils | 3.1 ± 1.2 | 2.8 ± 1.0 | 0.44 | ||
Basophils | 0.2 ± 0.3 | 0.3 ± 0.5 | 0.27 | ||