Table 3.

Results for the secondary outcome depression measured with the depression scale of the “Patient Health Questionnaire” (PHQ-9).

	Parameter	Estimate (SE)	Statistics
Results of the multilevel model	Intercept	10.03 (0.68)	t(78.54) = 14.74; p < 0.01
	Intercept* intervention	0.57 (0.95)	t(78.97) = 0.60; p = 0.55
	Time1	−2.28 (0.72)	t(66.59) = −3.16; p < 0.01
	Time1* intervention	−2.17 (1.00)	t(67.32) = −2.16; p = 0.03
	Time2	−1.37 (0.73)	t(72.85) = −1.88; p = 0.06
	Time2* intervention	−2.61 (1.01)	t(73.38) = −2.60; p = 0.01
	Time	Condition	d
Effect sizes (d)	Time1	PE	0.52
		FR + PE	1.04
	Time2	PE	0.37
		FR + PE	0.95
	Assessment point	Condition	M (SD)
Descriptive statistics	Pre-treatment (t0)	PE	10.03 (4.06)
		FR + PE	10.58 (4.44)
	Post-treatment (t1)	PE	7.91 (3.52)
		FR + PE	5.94 (4.81)
	6-month follow-up (t2)	PE	8.52 (5.05)
		FR + PE	6.38 (5.04)

PE, Psychoeducation; FR, Functional Relaxation; Time1, Change from pre-treatment (t0) to post-treatment (t1); Time2, Change from pre-treatment (t0) to 6-month follow-up (t2).