Table 2.
Model fit for multiple group moderation analyses testing age at exposure to mobility and early mobility in infancy
| Cognitive Development | Verbal Development | Nonverbal Development | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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| ||||||||||||||||||
| χ2 | df | Δdf | CFI | RMSEA | χ2 | df | Δdf | CFI | RMSEA | χ2 | df | Δdf | CFI | RMSEA | ||||
| Direct Effects | 545.67 | 79 | -- | 0.94 | 0.05 | 609.64 | 79 | -- | 0.94 | 0.05 | 335.84 | 79 | -- | 0.96 | 0.04 | |||
| Moderating Effects | ||||||||||||||||||
| Early Mobility | ||||||||||||||||||
| Freed | 709.42* | 176 | -- | 0.94 | 0.05 | 751.57* | 176 | -- | 0.93 | 0.05 | 472.487 | 176 | -- | 0.95 | 0.04 | |||
| Constrained | 718.271 | 178 | 2 | 0.94 | 0.05 | 760.429 | 178 | 2 | 0.93 | 0.05 | 476.776 | 178 | 2 | 0.95 | 0.04 | |||
| Baseline Age | ||||||||||||||||||
| Freed | 625.066 | 275 | -- | 0.95 | 0.04 | 647.07 | 275 | -- | 0.94 | 0.04 | 704.293 | 275 | -- | 0.91 | 0.04 | |||
| Constrained | 629.19 | 279 | 4 | 0.95 | 0.04 | 624.434a | 279 | 4 | 0.95 | 0.04 | 706.457 | 279 | 4 | 0.91 | 0.04 | |||
Notes.
p≤.05.
df = degrees of freedom, Δdf = change in degrees of freedom between constrained and unconstrained models.
Models would not converge when fixing parameters.