Table 3.
Motor-behavioral assessment and acquired developmental milestones: gross and fine motor
Developmental skill |
Parameter estimate ± Standard error, from the generalized estimating equation after adjusting for age at enrollment (Skill not gained vs. gained) |
||
---|---|---|---|
Classic | Atypical better | Atypical poorer | |
Rolling |
7.9 ± 2.6 (p = 0.003) |
6.9 ± 4.6 (p = 0.132) |
5.9 ± 5.4 (p = 0.274) |
Sit with support |
14.8 ± 2.6 (p < 0.0001) |
N.A. |
2.2 ± 2.9 (p = 0.453) |
Sit alone |
8.7 ± 1.0 (p < 0.0001) |
10.5 ± 2.3 (p < 0.0001) |
3.5 ± 2.9 (p = 0.237) |
Crawl |
8.4 ± 0.9 (p < 0.0001) |
8.7 ± 3.1 (p = 0.005) |
−0.8 ± 3.2 (p = 0.796) |
Pull to stand |
9.3 ± 0.9 (p < 0.0001) |
12.3 ± 2.0 (p < 0.0001) |
2.6 ± 2.8 (p = 0.358) |
Walk with help |
11.0 ± 1.0 (p < 0.0001) |
12.3 ± 2.8 (p < 0.0001) |
1.7 ± 3.0 (p = 0.577) |
Walk alone |
10.9 ± 0.8 (p < 0.0001) |
9.0 ± 2.4 (p = 0.0001) |
2.1 ± 4.6 (p = 0.647) |
Climb steps |
11.2 ± 1.2 (p < 0.0001) |
6.4 ± 2.8 (p = 0.023) |
N.A |
Ride tricycle |
10.6 ± 3.0 (p = 0.0004) |
7.3 ± 3.0 (p = 0.015) |
12.3 ± 2.6 (p < 0.0001) |
Hold bottle |
6.4 ± 1.1 (p < 0.0001) |
−2.0 ± 2.6 (p = 0.432) |
3.4 ± 2.9 (p = 0.245) |
Reach |
6.5 ± 2.7 (p = 0.015) |
N.A. |
2.6 ± 3.6 (p = 0.483) |
Transfer |
4.2 ± 1.1 (p < 0.0001) |
9.8 ± 2.7 (p = 0.0003) |
7.4 ± 2.8 (p = 0.008) |
Pincer grasp |
6.0 ± 1.0 (p < 0.0001) |
10.7 ± 2.5 (p < 0.0001) |
2.8 ± 2.7 (p = 0.304) |
Finger feed | 8.3 ± 1.4 (p < 0.0001) | 16.1 ± 2.2 (p < 0.0001) | 0.8 ± 2.3 (p = 0.744) |