Table 1.
Cohort characteristics for the HIF3A.1 and HIF3A.2 samples
| Characteristics | HIF3A.1 sample n = 490 | HIF3A.2 sample n = 938 |
|---|---|---|
| Maternal | ||
| Mean (SD) | Mean (SD) | |
| Age at conception (years) | 31.7 (4.4) | 31.4 (4.7) |
| Pre-pregnancy BMI (kg/m2) | 25. (5.1) | 25.3 (5.3) |
| n (%) | n (%) | |
| Smoked during pregnancy (any) | 59 (12.0) | 146 (15.6) |
| Gestational diabetes | 17 (3.9) | 40 (5.0) |
| Pre-eclampsia | 17 (3.5) | 27 (2.9) |
| Infant | ||
| Mean (SD) | Mean (SD) | |
| Gestational age (weeks) | 39.5 (1.4) | 39.5 (1.4) |
| Birth weight (g) | 3548.5 (500.0) | 3559.6 (496.3) |
| Birth weight z-score | 0.4 (0.9) | 0.4 (0.9) |
| Triceps+subscapular sum (mm) | 9.7 (2.1) | 9.9 (2.2) |
| n (%) | n (%) | |
| Sex (male) | 241 (49.2) | 482 (51.4) |
SD standard deviation