Selected characteristics of the NSW-CDS child cohort
| n | Per cent | |
|---|---|---|
| Child developmental vulnerability (N=87 026) | ||
| Physical health and well-being* | 7166 | 8.6 |
| Social competence* | 7268 | 8.8 |
| Emotional maturity* | 6134 | 7.4 |
| Language and cognition* | 4848 | 5.9 |
| Communication skills and general knowledge* | 7589 | 9.2 |
| Child educational attainment: expected level (N=40 032) | ||
| Literacy: Phonics | 16 846 | 42.8 |
| Literacy: Phonemic awareness | 23 251 | 59.6 |
| Literacy: Comprehension | 19 063 | 50.2 |
| Literacy: Aspects of speaking | 10 858 | 27.7 |
| Literacy: Aspects of writing | 30 867 | 79.9 |
| Literacy: Reading texts | 21 634 | 55.0 |
| Literacy: Concepts about print | 18 241 | 46.3 |
| Numeracy: Pattern repeated unit | 3668 | 9.2 |
| Numeracy: Forward number word sequences | 4130 | 10.4 |
| Numeracy: Numerical identification | 16 954 | 42.7 |
| Numeracy: Early arithmetic strategies | 16 956 | 42.8 |
| Child protection (N=3822) | ||
| Emotional/psychological abuse | 1648 | 1.9 |
| Neglect | 1189 | 1.4 |
| Physical abuse | 704 | 0.8 |
| Sexual abuse | 386 | 0.4 |
| Out-of-Home-Care | 1143 | 1.3 |
| Targeted intervention programme: Brighter Futures | 987 | 1.1 |
| Child perinatal health (N=73 056) | ||
| Any smoking during pregnancy | 10 870 | 14.9 |
| Maternal hypertension | 801 | 1.1 |
| Pre-eclampsia | 4130 | 5.7 |
| Maternal diabetes mellitus | 439 | 0.6 |
| Gestational diabetes | 3338 | 4.6 |
| Apgar score at 1 min†7∼10 | 65 606 | 90 |
| Apgar score at 5 min †7∼10 | 72 088 | 98.9 |
| Birth weight (g)† | ||
| <1500 | 523 | 0.7 |
| 1500–2899 | 11 156 | 15.3 |
| 2900–3499 | 29 638 | 40.6 |
| 3500–4499 | 30 490 | 41.7 |
| 4500 and over | 1249 | 1.7 |
| Maternal age (years)† | ||
| ≤24 | 13 311 | 18.2 |
| 25–29 | 20 537 | 28.1 |
| 30–34 | 24 694 | 33.8 |
| ≥35 | 1414 | 19.9 |
*Children who score in the 0–10th centile are classified as ‘developmentally vulnerable’, indicating much lower than average AEDC scores.
†The variable has been categorised from the original continuous variable in the data set.
AEDC, Australian Early Development Census; NSW-CDS, New South Wales Child Development Study.