Table 3.
Descriptive statistics of Bayley-III subscale scores (N = 441).
| Variables | Minimum | Maximum | Mean | Std. deviation |
|---|---|---|---|---|
| Cognitivetime 1 | 2 | 15 | 9.5 | 2 |
| Receptivetime 1 | 2 | 14 | 7.7 | 2.1 |
| Expressivetime 1 | 3 | 14 | 7.3 | 1.9 |
| FMotortime 1 | 1 | 17 | 9.5 | 2.3 |
| GMotortime 1 | 1 | 16 | 8.9 | 2.6 |
| SocioEmtime 1 | 1 | 18 | 10.7 | 3.2 |
| Cognitivetime 2 | 3 | 13 | 8.1 | 1.6 |
| Receptivetime 2 | 1 | 16 | 8.9 | 2.4 |
| Expressivetime 2 | 1 | 15 | 8.5 | 2.5 |
| FMotortime 2 | 7 | 19 | 10.8 | 1.7 |
| GMotortime 2 | 1 | 19 | 9.1 | 1.8 |
| SocioEmtime 2 | 2 | 19 | 10.7 | 3.3 |
Cognitive, cognitive scale; Receptive, receptive communication scale; Expressive, expressive communication scale; FMotor, fine motor scale; GMotor, gross motor scale; SocioEm, social emotional scale; time 1, 6–11 months of age; time 2 = 17–24 months of age.