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. Author manuscript; available in PMC: 2011 Mar 1.
Published in final edited form as: J Am Geriatr Soc. 2010 Mar;58(3):501–509. doi: 10.1111/j.1532-5415.2010.02739.x

Table 2.

Descriptive statistics for cognitive trait scores scaled in t-score units.

Males Females
Trait NPerson* Occasion M SD rocc NPerson* Occasion M SD rocc
Verbal 1010 53.38 9.76 0.88 1424 50.26 9.45 0.86
Spatial 982 53.63 10.74 0.85 1380 49.22 9.92 0.79
Memory 975 50.70 10.93 0.77 1425 52.83 10.96 0.72
Perceptual Speed 1031 49.19 10.52 0.84 1467 49.73 10.56 0.78
General cognitive ability (g) 877 53.14 10.74 0.91 1248 51.74 10.46 0.88

Note. rocc = Average Pearson r between testing occasions