Table III.
Correlation between Bayley-2 Index and Bayley-3 Composite scores with equations derived from linear regression analysis
| x(n=61) | y | Pearson r | Regression equation | SD residuals |
|---|---|---|---|---|
| Bayley-2 MDI | Bayley-3 CC | 0.86 | 47.093+(0.597)x | 7.444 |
| Bayley-3 CC | Bayley-2 MDI | −35.065+(1.234)x | 10.698 | |
| Bayley-2 MDI | Bayley-3 LC | 0.91 | 34.916+(0.704)x | 6.824 |
| Bayley-3 LC | Bayley-2 MDI | −25.230+(1.1684)x | 8.789 | |
| Bayley-2 MDI | Bayley-3 CLC | 0.96 | 40.848+(0.653)x | 4.211 |
| Bayley-3 CLC | Bayley-2 MDI | −49.472+(1.399)x | 6.166 | |
| Bayley-2 PDI | Bayley-3 MC | 0.87 | 35.410+(0.778)x | 7.665 |
| Bayley-3 MC | Bayley-2 PDI | −15.766+(0.984)x | 8.62 | |
| Bayley-2 PDI | Bayley-3 mMC | 0.93 | 31.246+(0.787)x | 5.55 |
| Bayley-3 mMC | Bayley-2 PDI | −23.280+(1.098)x | 6.554 |
Bayley-2, Bayley Scales of Infant Development, Second Edition; Bayley-3, Bayley Scales of Infant and Toddler Development, Third Edition; CC, Cognitive Composite; CLC, Cognitive and Language Composite; LC, Language Composite; MC, Motor Composite; MDI, Mental Developmental Index; mMC, modified Motor Composite; PDI, Psychomotor Developmental Index; SD, standard deviation.