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. 2011 Mar 9;66B(4):391–401. doi: 10.1093/geronb/gbr010

Table 2.

Covariate and Outcome Means and Standard Deviations for Nondemented Individuals and Those With Incident Dementia

Whole sample, N at T1 = 461, M (SD) No dementia, N at T1 = 355, M (SD) Incident dementia, N at T1 = 106, M (SD)
Years of education 7.24 (2.27) 7.32 (2.36) 6.96 (1.91)
Age at baseline 83.16 (2.70) 83.22(2.77) 82.92 (2.43)
Age at death 90.23 (4.23) 90.27 (4.35) 90.09 (3.77)
T1 Information 28.38 (11.18) 29.57 (10.51) 23.52 (12.56)
T2 Information 28.31 (11.45) 30.35 (10.10) 21.50 (12.97)
T3 Information 27.03 (12.48) 29.69 (11.02) 17.02 (12.85)
T4 Information 26.31 (12.99) 29.58 (11.31) 14.61 (12.08)
T5 Information 25.12 (11.43) 26.58 (10.46) 16.29 (12.95)
T1 Block Design 11.44 (7.08) 12.02 (7.10) 9.29 (6.62)
T2 Block Design 11.19 (7.12) 12.37 (6.72) 7.64 (7.12)
T3 Block Design 10.75 (7.06) 12.24 (6.53) 6.23 (6.73)
T4 Block Design 10.25 (7.12) 11.67 (6.64) 6.11 (6.91)
T5 Block Design 9.11 (7.13) 10.59 (6.67) 3.5 (5.97)