TABLE 3.

Results for Test of Treatment Moderation in a Study of Older Adults With Major Depression and Executive Dysfunction Receiving Problem-Solving Therapy or Supportive Therapy

Moderator Variable	Analysis
	Fa	df	p
Age	0.01	188	0.91
Education (years)	0.88	161	0.59
Hamilton Depression Rating Scale score	1.86	185	0.17
Age at depression onset (years)	0.18	132	0.67
Total number depressive episodes	3.55	147	0.06
Mini-Mental State Examination score	1.44	199	0.23
Mattis Dementia Rating Scale, initiation/perseveration subscale	0.62	201	0.43
Stroop Color-Word Test score	0.93	193	0.34
Wisconsin Card Sorting Test, perseverative errors	0.17	145	0.68
Trail Making Test, Part B, score	1.19	177	0.28
Frontal Systems Behavior Scale score	0.17	161	0.68
NEO Personality Inventory, neuroticism subscale score	2.36	184	0.13
World Health Organization Disability Assessment Schedule score	3.89	179	0.05
Generalized anxiety disorder	1.55	181	0.22

^aEffect estimate reflecting the change in the difference between the Hamilton Depression Rating Scale score slopes of the problem-solving therapy and supportive therapy groups when the moderator variable’s score is increased by 1 point.