Table 4. Stepwise multiple linear regression analysis for cognitive development covariate at 12 months for cognitive development at six months.

	B	SE	p-value
Constant	66.72	14.51
Cognitive development at six months (Bayley-III)	0.44	0.13	0.002
	R2=0.23

B: Beta; SE: Standard error; R²: Explained variance