Table 7:

Results of multilevel models predicting suppression (N=148, n=1024).

	Null Model	Model 1	Model 2	Model 3	Model 4
	γ (SE)	γ (SE)	γ (SE)	γ (SE)	γ (SE)
Fixed effects
Intercept	3.89** (0.077)	3.83** (0.122)	3.87** (0.082)	3.89** (0.077)	3.79** (0.13)
Age at study entry		0.036* (0.015)	0.036* (0.014)	0.033* (0.013)	0.049* (0.017)
Education		0.011 (0.032)	−0.021 (0.032)	−0.007 (0.031)	−0.010 (0.032)
Practice effects		0.033 (0.17)			0.11 (0.18)
EF between		−2.46* (0.81)			−3.03** (0.88)
EF within		0.15 (0.72)			3.23* (1.10)
HRV between			0.031 (0.070)		0.035 (0.072)
HRV within			−0.031 (0.021)		−0.032 (0.037)
Subjective between				−0.005 (0.004)	0.003 (0.005)
Subjective within				0.001 (0.003)	−0.002 (0.008)
Random effects
Intercept SD	0.89	0.83	0.88	0.87	0.87
EF within SD	-	-	-	-	3.96
HRV within SD	-	-	-	-	0.14
Subjective within SD	-	-	-	-	0.04
Residual SD	0.67	0.65	0.65	0.67	0.55
Model fit
LL	−1233.1	−599.4	−777.8	−1187.6	−385.0
AIC	2472.3	1214.7	1569.6	2389.1	812.0

Note. EF = executive function; HRV = heart rate variability; LL = log likelihood; AIC =Akaike information criterion.

^*p < .05.

^**p < .001.