Early Development Index (EDI) domains and subdomains
| EDI domain | EDI subdomain |
| Physical health and well-being | Physical readiness for school Physical independence Gross and fine motor skills |
| Social competence | Overall social competence Responsibility and respect Approaches to learning Readiness to explore new things |
| Emotional maturity | Prosocial and helping behaviour Anxious and fearful behaviour Aggressive behaviour Hyperactivity and inattention |
| Language and cognitive development | Basic literacy Interest in literacy/numeracy, and uses memory Advanced literacy Basic numeracy |
| Communication skills and general knowledge | Communicates easily and effectively Participates in storytelling Articulates clearly Shows adequate knowledge Uses native language proficiently |
Each is scored on a scale of 0 to 10. If a child falls in the bottom 10th percentile, he or she is considered ‘vulnerable’ in that domain. An ‘overall vulnerability’ flag is set if a child is vulnerable in one or more domains.