Table 4.

Psychological assessment at baseline (T0), 8 weeks (T1), and 16 weeks (T2) of the study in the experimental group and in the control group.

	Group	Mean ± s.d.			ANOVA P-value			GLM P-value
		T0 (baseline)	T1 (8 weeks)	T2 (16 weeks)	T0 vs T1	T1 vs T2	T0 vs T2	Time	Time × treatment
SQ, anxiety	Experimental	6.77 ± 6.13	4.31 ± 4.99	6.08 ± 6.24	1.00000	0.59639	1.00000	0.52468	0.15170
	Control	6.78 ± 5.02	6.89 ± 5.18	5.44 ± 3.64	0.43419	0.54053	1.00000	0.20967
SQ, depression	Experimental	4.54 ± 4.27	4.00 ± 4.28	4.85 ± 5.30	1.00000	1.00000	1.00000	0.90665	0.75243
	Control	4.44 ± 4.30	4.00 ± 3.74	3.56 ± 2.88	1.00000	0.97065	1.00000	0.70797a
SQ, somatization	Experimental	7.77 ± 4.48	4.54 ± 5.21	4.38 ± 5.64	1.00000	1.00000	1.00000	0.81809	0.61737a
	Control	6.33 ± 6.42	5.11 ± 5.75	5.00 ± 4.66	1.00000	1.00000	1.00000	0.67381a
SQ, hostility-irritability	Experimental	3.85 ± 3.95	3.15 ± 3.76	3.92 ± 4.82	1.00000	1.00000	1.00000	0.82331	0.56217
	Control	3.22 ± 3.07	2.89 ± 2.47	1.78 ± 1.99	1.00000	0.44801	1.00000	0.60900
SQ, total distress	Experimental	22.9 ± 16.9	16.0 ± 17.0	19.2 ± 20.6	1.00000	1.00000	1.00000	0.82984	0.58273
	Control	20.8 ± 15.6	18.9 ± 12.7	15.8 ± 9.7	1.00000	0.37779	1.00000	0.57890a
PWB, total	Experimental	368 ± 60	378 ± 67	368 ± 69	1.00000	1.00000	1.00000	0.85184a	0.68232
	Control	383 ± 42	391 ± 33	381 ± 53	1.00000	1.00000	1.00000	0.74842

Statistical significance set to P < 0.05.

^aP-values of variables violating the sphericity assumption were adjusted using the Huynh–Feldt correction.

ANOVA, analysis of variance; GLM, general linear model; PWB, psychological well-being scale; SQ, Kellner’s symptom questionnaire.