Table 3.

Growth Curve Model for Adherence

Components of adherence growth curve models	Adherence		Random effect	Variance
	β	SE
Unconditional model
Intercept	0.604	0.008**	0.010	0.001**
Time (0 = time 1)	−0.012	0.005*	0.002	0.001**
Conditional models
EF performancea
Intercept	0.604	0.008**	0.010	0.001**
Time (0 = time 1)	−0.011	0.005*	0.002	0.000**
IQ
On Intercept	0.000	0.003
On Slope	0.001	0.002
EF performance
On Intercept	0.005	0.005
On Slope	0.000	0.003
Self-reported EF problemsa
Intercept	0.604	0.008**	0.009	0.001**
Time (0 = time 1)	−0.010	0.005	0.002	0.000**
IQ
On Intercept	0.000	0.002
On Slope	0.001	0.001
Self-reported EF problems
On Intercept	−0.004	0.001**
On Slope	0.000	0.000

All units are proportions as adherence ranges from 0–1.

^aControlling for IQ.

*P < 0.05; **P < 0.01.