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. Author manuscript; available in PMC: 2015 Dec 1.
Published in final edited form as: Neuroimage. 2014 Sep 20;103:139–151. doi: 10.1016/j.neuroimage.2014.09.029

Table 1.

Participant Demographics

Decade N % F Education DRS AMNART IQ
20–29 38 63 15.29 (±1.96) 139.61 (±2.96) 114.51 (±8.34)
30–39 33 64 15.91 (±2.47) 139.39 (±2.65) 114.88 (±10.60)
40–49 23 48 15.70 (±2.40) 139.67 (±2.61) 115.83 (±7.57)
50–59 24 42 16.10 (±1.50) 139.83 (±3.41) 115.37 (±8.19)
60–69 34 44 16.03 (±2.69) 140.15 (±2.57) 117.44 (±9.69)
70–79 22 41 17.86 (±2.59) 139.29 (±2.66) 121.60 (±7.01)

Note. %F = Percent female. DRS = score on the Mattis Dementia Rating Scale. AMNART IQ = IQ score estimated based on the American National Adult Reading Test. Education is measured in years. Values for EDU, DRS, and AMNART IQ are the mean (± standard deviation).