Table 8.

Growth over time.

Fixed effect	B	SE	t	df	p
INTRCPT2, γ00	3.584	0.007	484.717	7,237	<0.001
INTRCPT2, γ10	0.091	0.008	11.13	7,237	<0.001
INTRCPT2, γ20	−0.020	0.002	−10.23	7,237	<0.001
Random effect	SD	Variance	df	χ 2	p
INTRCPT1, u0	0.569	0.324	6,761	39902.16	<0.001
LIN slope, u1	0.262	0.069	6,761	7933.016	<0.001
QUAD slope, u2	0.050	0.003	6,761	7510.049	<0.001
Level-1, r	0.550	0.302