. Author manuscript; available in PMC: 2007 Feb 28.

Published in final edited form as: J Neuropsychiatry Clin Neurosci. 2007;19(1):43–49. doi: 10.1176/appi.neuropsych.19.1.43

Table 1.

Descriptive Statistics for Predictor and Outcome Variables Used in Regression Equations

Variable	Mean	SD	Range
GDS	7.87	6.34	0 - 26

BI	34.37	15.72	3 - 78

FrSBe Total (before)	54.14	14.52	34 - 102

Apathy (before)	53.63	12.65	35 - 88

Disinhibition (before)	53.47	15.27	35 - 96

Executive Dysfunction (before)	53.24	12.87	33 - 91

FrSBe Total (after)	91.78	20.48	56 - 152

Apathy (after)	92.65	18.54	51 - 147

Disinhibition (after)	70.28	20.04	39 - 126

Executive Dysfunction (after)	89.67	18.87	56 - 140

Note. GDS = Geriatric Depression Scale; BI = Burden Interview; FrSBe = Frontal Systems Behavior Scale