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. Author manuscript; available in PMC: 2009 Sep 18.
Published in final edited form as: Arch Clin Neuropsychol. 2006 Aug 8;21(5):405–412. doi: 10.1016/j.acn.2006.06.001

Table 1.

Participant demographic information

Variable NC participants (n = 222) MCI participants (n = 166) AD participants (n = 68)
Age (years) 72.0 (8.4) 71.4 (8.2) 78.4 (7.2)
Education level (years) 16.4 (2.9) 14.7 (3.6) 13.8 (3.2)
MMSE 29.2 (1.2) 28.3 (1.8) 22.9 (4.0)
GDS 3.9 (4.5) 5.3 (5.2) 6.2 (5.9)
Sex (%female) 66 57 52

Values are M (S.D.). Note. NC, normal control; MCI, mild cognitive impairment; AD, Alzheimer’s disease; M, mean; S.D., standard deviation; MMSE, Mini-Mental State Examination; GDS, geriatric depression scale.