Table 5.

Regression coefficient for models involving mean HR variability and cognition variables.

				Collinearity
Models	Std.Coeff.	t	sig	Tolerance	VIF
1
Miss Nback	0.406	2.268	0.032*	1.000	1.000
2
Miss Nback	0.496	2.838	0.009*	0.936	1.096
Latency C-A	0.352	2.010	0.049*	0.936	1.069

*Model 1: mean HR (dependent variable) × Miss Nback (independent variable). *Model 2: mean HR (dependent variable) × Miss Nback Latency C-A (independent variable). P < 0.05*.