Table 1 Perinatal demographic comparisons between the general Western Australian population and the evolving Raine Study
Western Australia | Raine Pregnancy Cohort at birth | Raine 5-year Subset | Raine 20-year Subset | Raine Fetal Growth Subset | Raine NAFLD Subset | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
n | 99,141 | 2863 | 2010 | 1213 | 1377 | 879 | ||||||
Mothers | Reference | |||||||||||
Age (years) | 27.7 | = | 27.5 | + | 28.4 | + | 28.8 | + | 28.2 | + | 28.8 | |
Married (%) | 89.4% | − | 82.1% | − | 85.4% | − | 86.8% | − | 85.7% | − | 86.7% | |
Caucasian (%) | 87.4% | + | 89.6% | + | 90.8% | + | 90.8% | + | 99.1%a | + | 99.2%a | |
Nulliparous (%) | 39.0% | + | 48.1% | + | 46.7% | + | 47.2% | + | 47.6% | + | 48.4% | |
Pregnancies | ||||||||||||
Complications (%) | 30.0% | + | 38.6% | + | 37.9% | + | 37.4% | + | 38.7% | + | 46.1% | |
Caesareans (%) | 18.9% | + | 21.1% | + | 21.7% | + | 21.4% | = | 20.2% | = | 20.4% | |
Infants | ||||||||||||
Birth weight (g) | 3344 | − | 3283 | − | 3315 | − | 3316 | + | 3389 | + | 3384 | |
Birth length (cm) | 49.9 | − | 48.8 | − | 49.0 | − | 49.0 | − | 49.3 | − | 49.3 | |
Ponderal index (kg/m3) | 26.7 | + | 27.9 | + | 28.0 | + | 27.9 | + | 28.1 | + | 28.1 | |
Gestation (weeks) | 39.1 | = | 39.0 | = | 39.1 | = | 39.2 | + | 39.3 | + | 39.3 | |
Nursery admissions (%) | 7.6% | + | 9.7% | + | 9.2% | = | 8.5% | = | 7.1% | = | 7.4% | |
Socioeconomic status | ||||||||||||
IRSD | 1022b | = | 1021 | + | 1035 | + | 1046 | + | 1035 | + | 1047 | |