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. Author manuscript; available in PMC: 2012 Mar 1.
Published in final edited form as: Neuropsychology. 2011 Mar;25(2):201–209. doi: 10.1037/a0020999

Table 1.

Demographic and Disease Characteristics of the Study Participants

Variable HA (n = 34) PD (n = 54) p
Demographic Characteristics
    Age (years) 61.0 (2.6) 61.9 (7.6) 0.47
    Education (years) 14.5 (2.1) 14.7 (2.1) 0.68
    Sex (% men) 67.6 63.0 0.65
    Handedness (% right) 82.4 96.3 0.03
    Ethnicity (% Caucasian) 91.2 81.5 0.36
Disease Characteristics
    Hoehn & Yahr (%)
        Stage 0 - 5.6 -
        Stage 1 - 13.0 -
        Stage 2 - 53.7 -
        Stage 3 - 21.4 -
        Stage 4 - 3.7 -
    Side of Onset (% right) - 78.8 -