Table 1:
Demographic characteristics of RICHS and NHBCS participants included in the miRNA sequencing analysis
| MATERNAL CHARACTERISTICS | RICHS (n=115) | NHBCS (n=281) |
|---|---|---|
| Age (yrs) – mean (range) | 30 (18–40) | 31 (18–44) |
| Race (White) – % (n) | 72 (83) | 100 (281) |
| Pregnancy Smoking – % (n) | 10 (12) | 13 (37) |
| Pre-Pregnancy Body Mass Index (BMI) (kg/m2) – mean (range) | 26.5 (16.0 – 45.4) | 26.1 (16.9 – 49.9) |
| Pre-Pregnancy BMI Group | ||
| Normal and Underweight – % (n) | 47.8 (55) | 47.6 (134) |
| Overweight – % (n) | 29.5 (34) | 30.6 (86) |
| Obese – % (n) | 22.6 (26) | 18.5 (52) |
| INFANT CHARACTERISTICS | ||
| Placental Cd2+ (ng/g) mean (standard deviation) | 4.39 (2.52) | 2.93 (1.99) |
| Sex (Female) – % (n) | 46.9 (54) | 51.6 (145) |
| Gestational Age (wks) – mean (range) | 39.0 (37 – 41) | 39.5 (31.4 – 42.1) |
| Birthweight (g) – mean (range) | 3610 (2160–5465) | 3469 (1380–5216) |
| Birthweight Group | ||
| Small for Gestational Age (SGA) – % (n) | 15.6 (18) | 4.3 (12) |
| Average for Gestational Age (AGA) – % (n) | 45.2 (52) | 85.1 (242) |
| Large for Gestational Age (LGA) – % (n) | 39.1 (45) | 9.6 (27) |