Dark Chocolate Intake May Reduce Fatigue and Mediate Cognitive Function and Gray Matter Volume in Healthy Middle-Aged Adults

Table 2

Group comparison of the symmetrical percent change of variables.

	Intervention			Control
	Mean	SD	SEM	Mean	SD	SEM
Psychological condition
CFS	-13.466	18.947	2.856	-4.781	19.177	2.891	-2.137	0.035
Physical functioning	0.284	1.214	0.183	0.528	2.175	0.328	-0.651	0.517
Role-physical	1.444	6.333	0.955	-1.376	5.971	0.900	2.149	0.034
Bodily pain	0.558	8.912	1.344	1.525	12.013	1.811	-0.429	0.669
General health	0.069	5.531	0.834	-0.435	4.121	0.621	0.485	0.629
Vitality	-0.171	4.654	0.702	0.375	5.888	0.888	-0.482	0.631
Social functioning	0.145	4.890	0.737	-0.093	7.228	1.090	0.181	0.857
Role-emotional	1.053	5.177	0.780	-0.516	5.702	0.860	1.351	0.180
Mental health	0.024	3.830	0.577	-0.119	8.763	1.321	0.099	0.921
Cognitive function
TMT	-3.323	28.646	4.319	-1.193	27.560	4.155	-0.355	0.723
Stroop	10.368	93.386	14.079	29.925	205.960	31.050	-0.574	0.568
MPI	3.086	5.830	0.879	1.770	5.596	0.844	1.080	0.283
MRI-derived measures
GM-BHQ	-1.927	8.130	1.226	-1.030	5.592	0.843	-0.604	0.548
FA-BHQ	-0.373	4.383	0.661	-0.818	5.267	0.794	0.431	0.667

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