Disability in major depression related to self-rated and objectively-measured cognitive deficits: a preliminary study

Table 1 Demographic, clinical, and neuropsychological data and z-scores for neuropsychological domains.

	Mean	Standard deviation
Age, years	53.9	11.8
Sex, % female	76	-
Hamilton Depression Rating Scale	21.7	4.4
Age of onset, years	39.1	16.9
Cumulative Illness Rating	5.2	4.4
Neuropsychological performance
National Adult Reading Test estimated IQ	111.7	7.8
Choice reaction time (secs)	0.77	0.13
Trailmaking, Part A, time (secs)	39.1	15.9
RAVLT^a, trial 1 to 5 summed score	48.2	11.4
Logical Memory, learning trials	23.5	6.1
RAVLT^a, percent retention	78.0	29.1
Logical Memory, percent retention	80.8	13.5
Trailmaking, Part B, time (secs)	90.9	27.9
Tower of London, total	10.7	1.9
Stroop, color-word score in 2-mins/112	87.3	21.5
Z-scores across domains ^#
Psychomotor speed	-1.3	1.4
Initial learning	-0.6	0.9
Memory retention	-0.5	1.2
Executive functions	-1.4	1.4

^#Control data for raw neuropsychological test scores are published in Naismith et al 2006 [4].
^aRAVLT, Rey Auditory Verbal Learning Test

ISSN: 1471-244X