Conditional variables at birth and 4 months old | Total | Communication | Gross motor | Fine motor | Problem solving | Personal-Social |
---|---|---|---|---|---|---|
2,432/30,358 (8.0 %) | 584/30,504 (1.9 %) | 468/30,505 (1.5 %) | 743/30,436 (2.4 %) | 1,113/30,510 (3.6 %) | 290/30,476 (1.0 %) | |
Length at birth | 0.99 (0.95–1.05) | 1.04 (0.93–1.16) | 1.12 (0.99–1.26) | 0.98 (0.89–1.07) | 0.96 (0.89–1.04) | 0.90 (0.78–1.05) |
Weight at birth | 0.93 (0.88–0.98) | 0.93 (0.84–1.04) | 0.83 (0.73–0.94) | 0.96 (0.87–1.06) | 0.95 (0.88–1.02) | 0.94 (0.81–1.10) |
cLength at 4 months old | 0.87 (0.83–0.91) | 0.86 (0.78–0.94) | 0.89 (0.81–0.99) | 0.88 (0.81–0.96) | 0.83 (0.78–0.89) | 0.80 (0.72–0.91) |
crWeight at 4 months old | 1.05 (0.99–1.11) | 0.92 (0.82–1.03) | 1.44 (1.26–1.63) | 0.99 (0.89–1.10) | 0.99 (0.91–1.07) | 1.14 (0.97–1.34) |