Milestones | Achieved, All Ages n/N (%) | Achieved, Onset ≤12 Months, n/N (%) | Achieved, Onset > 12 Months, n/N (%) |
---|---|---|---|
Roll over | 28/32 (88) | 19/23 (83) | 9/9 (100) |
Sit independently | 24/32 (75) | 15/23 (65) | 9/9 (100) |
Crawl | 17/32 (53) | 8/23 (35) | 9/9 (100) |
Walk independently | 9/32 (28) | 1/23 (4) | 8/9 (89) |