Table 3.

Comparison of results of cognitive function measurement before and after dietary intervention (MSwithDI group).

Tools	Task	Difference in mean values	Standard error in mean difference (SE)	95% confidence interval for mean difference (CI)		Student’s t-test
				Bottom limit	Upper limit	t	df	P
Stroop Test	Trial 1—time [s]	−0.01	0.72	−1.49	1.47	−0.010	29	0.992
	Trial 2—time [s]	0.70	1.02	−1.40	2.79	0.679	29	0.502
	Trial 3—time [s]	3.38	1.60	.11	6.66	2.113	29	0.043
Trail Making Test	Test A [s]	0.14	2.81	−5.62	5.90	0.049	29	0.961
	Test B [s]	16.78	5.46	5.61	27.94	3.072	29	0.005
Verbal Fluency Test	Animals	−2.10	0.70	−3.53	−.67	−2.999	29	0.006
	Objects starting with letter “K”	−0.47	0.44	−1.36	.43	−1.064	29	0.296
	Sharp objects	−1.07	0.38	−1.85	−.28	−2.782	29	0.009
Digit Span	Forward	−0.80	0.21	−1.23	−.37	−3.788	29	0.001
	Backward	−0.23	0.29	−0.83	0.36	−0.804	29	0.428
	All	−1.03	0.42	−1.90	−0.17	−2.448	29	0.021

Source: own research.