. Author manuscript; available in PMC: 2015 Dec 1.

Published in final edited form as: Am J Geriatr Psychiatry. 2014 Feb 26;22(12):1633–1641. doi: 10.1016/j.jagp.2014.02.006

Table 3.

Cognitive Performance for Early and Late Onset Depression Groups (n=171)

	Early Onset (n= 99)		Late Onset (n=72)		Test	p
	N	M (SD)	N	M (SD)
MMSE	95	27.7 (1.6)	70	27.8 (1.7)	F(1,164) = 0.02	0.89
SCWT	95	22.7 (7.4)	71	21.1 (9.1)	F(1,165) = 1.32	0.25
DRS IP	96	32.6 (3.5)	70	32.0 (3.8)	F(1,165) = 1.04	0.30
WCST	94	26.2 (11.1)	66	27.7 (10.9)	F(1,159) = 1.44	0.23
TMT B	87	127.6 (54.7)	57	148.5 (68.0)	F(1,143) = 3.36	0.07
HVLT L	94	21.9 (5.3)	68	19.9 (5.7)	F(1,161) = 4.28	0.04
HVLT M	94	7.5 (3.6)	67	6.2 (3.0)	F(1,160) = 4.65	0.03

MMSE = Mini Mental State Exam, SCWT = Stroop Color Word Test, DRS-IP = Dementia Rating Scale – Initiation/Perseveration, WCST = Wisconsin Card Sort Test, TMT B= Trail Making Test Part B, HVLT-L = Hopkins Verbal Learning Test-Learning, HVLT-M = Hopkins Verbal Learning Test – Memory.

Note: F Statistic corresponds with the group effect of age of depression onset