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. Author manuscript; available in PMC: 2012 Sep 1.
Published in final edited form as: Neurobiol Aging. 2009 Nov 18;32(9):1588–1598. doi: 10.1016/j.neurobiolaging.2009.10.013

Table 1.

Demographic characteristics and means and standard deviations for reserve and neuropsychological variables.

Group
Male Female Total

Variable M SD M SD M SD
N 232 472 704
Age** 79.12 5.11 80.46 5.72 80.02 5.56
log transformed WMH 2.24 0.91 2.26 0.87 2.26 0.88
Cognitive reserve
 Education* 11.29 4.83 10.49 4.76 10.75 4.795
 WRAT 43.98 11.74 43.73 10.76 43.81 11.11
Brain reserve
 Cranial Length*** 188.42 6.55 180.06 6.87 182.78 7.82
 Total cranial volume (mm3)*** 1233.22 120.74 1084.75 91.05 1133.96 123.48
 Height*** 169.97 9.03 157.11 7.54 161.37 10.08
Memory
 SRT total*** 34.16 10.32 37.27 10.37 36.24 10.45
 SRT delayed recall** 4.39 2.48 5.04 2.68 4.83 2.63
 SRT delayed recog 10.64 1.62 10.83 1.60 10.77 1.61
Speed
 Color Trails A 102.27 57.85 99.81 57.29 100.64 57.45
 Color Trails B 177.60 70.58 180.78 76.33 179.70 74.38
Visual-spatial
 BVRT Recognition 6.65 2.57 6.37 2.64 6.46 2.62
 BVRT Matching 8.31 2.55 8.01 2.46 8.11 2.50
 Rosen Drawing test 2.49 1.14 2.41 1.07 2.43 1.10
 Identities and Oddities 14.29 3.11 14.42 2.84 14.38 2.93
Language
 BNT spontaneous 13.62 1.72 13.61 1.71 13.61 1.71
 Similarities* 12.89 7.57 11.62 7.49 12.04 7.54
 Letter fluency 10.14 6.74 9.67 4.79 9.82 5.51
 Category fluency 13.70 4.09 13.94 4.18 13.86 4.15
 Repetition 7.51 1.15 7.64 0.80 7.60 0.93
 Comprehension 5.28 1.09 5.14 1.14 5.18 1.12
*

Note. p < .05.

**

p < .01.

***

p<.01