One-Year Follow-Up of the Effectiveness of Cognitive Behavioral Group Therapy for Patients’ Depression: A Randomized, Single-Blinded, Controlled Study

Table 5

GEE analysis of ATQ results.

Variable		SE	Wald	value
Group (EXP)	1.938	2.1764	0.793	0.373
Time (2nd)^⊕	0.500	1.8361	0.074	0.785
Time (3rd)^⊕	1.094	1.6022	0.466	0.495
Time (4th)^⊕	−0.125	1.2981	0.009	0.923
Time (5th)^⊕	−0.531	1.5506	0.117	0.732
Interactions
Group (EXP) × time (2nd)^#		3.0076	854.778	< 0.001^*
Group (EXP) × time (3rd)^#		2.4175	1298.323	< 0.001^*
Group (EXP) × time (4th)^#		2.8230	902.370	< 0.001^*
Group (EXP) × time (5th)^#		2.1862	1517.552	< 0.001^*

ATQ, Automatic Thoughts Questionnaire; GEE, generalized estimating equation; EXP, experimental group; CON, control group.
^* < 0.001.
Reference group, the control group.
^⊕Reference group, time (1st).
^#Reference group, group (CON) × time (1st).
“2nd”: the measurement at the end of therapy.
“3rd”: the measurement 3 months after group therapy.
“4th”: the measurement 6 months after group therapy.
“5th”: the measurement 12 months after group therapy.