TABLE 4.

Regression analysis showing the extent to positive emotion predicted change on cognition.

Model	Dependent variable	Independent variable	B	SE	t	p1	F	df	R2	p2
Model 13	CPT RT T3	MAAS T1	0.07	0.76	0.09	0.93	5.55	4	0.31	0.001
		Group	–11.33	18.83	–0.60	0.551
		Constant	162.29	66.89	2.43	0.020
Model 14	VA T2	MAAS T1	0.03	0.05	0.65	0.519	1.06	4	0.01	0.387
		Group	0.18	1.31	0.14	0.889
		Constant	13.81	3.75	3.68	0.001
Model 15	CPT RT T3	VA T2	4.88	2.21	2.21	0.034	5.35	5	0.35	<0.001
		MAAS T1	–0.24	0.74	–0.32	0.751
		Group	–14.72	18.07	–0.81	0.421
		Constant	114.30	71.90	1.59	0.121
Model 16	CPT RT T4	MAAS T2	1.00	0.57	1.76	0.087	7.23	4	0.39	<0.001
		Group	–47.41	17.81	–2.66	0.012
		Constant	155.28	66.40	2.34	0.025
Model 17	VA T3	MAAS T2	–0.08	0.03	–2.77	0.009	3.41	4	0.19	0.018
		Group	1.54	0.90	1.71	0.095
		Constant	16.80	2.80	6.01	0.000
Model 18	CPT RT T4	VA T3	–0.62	3.08	–0.20	0.841	5.63	5	0.37	<0.001
		MAAS T2	0.95	0.63	1.50	0.143
		Group	–46.36	18.80	–2.47	0.019
		Constant	166.25	86.53	1.92	0.063

Model 13, using MAAS T₁ as a predictor for CPT RT T₃; Model 14, using MAAS T₁ as a predictor for VA T₂; Model 15, using MAAS T₁ and VA T₂ as predictors for CPT RT T₃; Model 16, using MAAS T₂ as a predictor for CPT RT T₄; Model 17, using MAAS T₂ as a predictor for VA T₃; Model 18, using MAAS T₂ and VA T₃ as predictors for CPT RT T₄; Sex and baseline measure of each outcome measure used as covariates in all analyses. p₁, significance of the coefficient; p₂, significance of the regression model. MAAS, mindful attention awareness scale; CPT RT, The continuous performance test reaction time; VA, vigor-activity; T2, 4th week; T3, 8th week; T4, 12th week.