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. Author manuscript; available in PMC: 2016 Mar 1.
Published in final edited form as: Neuropsychology. 2014 Jul 7;29(2):255–267. doi: 10.1037/neu0000102

Table 1.

Participant Characteristics at Initial ECog Administration

Variable Group
Group Comparison
Effect Size
Control Low Medium High
N of participants 242 158 196 254
N of companions 223 141 178 226
Sex (% male) 37.6 31.6 40.8 40.9 ϕc = 0.07
Age (years) Mean 47.65 34.67 42.04 47.52 η2 = 0.18 a
SD 11.98 9.60 10.31 10.45
CAG repeat Mean 20.54 40.99 42.06 43.28 η2 = 0.92 a
SD 3.61 1.97 2.15 3.01
Education (years) Mean 15.01 14.84 14.83 14.40 η2 = 0.01
SD 2.48 2.43 2.44 2.77
Participant total ECog Mean 1.25 1.27 1.34 1.41 η2 = 0.03 a
SD 0.25 0.30 0.37 0.45
Companion total ECog Mean 1.19 1.15 1.23 1.37 η2 = 0.07 a
SD 0.24 0.22 0.30 0.40
Loss of TFC Mean 0.08 0.10 0.27 0.39 η2 = 0.03 a
SD 0.49 0.45 0.95 0.99

Note. CAG = cytosine, adenine and guanine; ECog = Everyday Cognition scales; TFC = Total Functional Capacity scale.

a

p<0.001

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