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. Author manuscript; available in PMC: 2010 Nov 24.
Published in final edited form as: J Int Neuropsychol Soc. 2009 Jan;15(1):69–82. doi: 10.1017/S1355617708090085

Table 1.

Demographic and clinical characteristics by study group

Total sample HCV−/SUD− HCV+/SUD− HCV+/SUD+ p Value
Total N 119 56 24 39
Demographics
    Age (mean years ± SD) 53.81 ± 8.55 54.02 ± 11.41 53.04 ± 5.55 53.97 ± 4.42 .888
    Male gender 106 (89.1%) 46 (82.1%)a 21 (87.5%)b 39 (100.0%)ab .023
    Caucasian 109 (91.6%) 52 (92.9%) 21 (87.5%) 36 (92.3%) .719
    Years of education (mean ± SD) 14.55 ± 2.38 15.71 ± 2.68ab 13.92 ± 1.67a 13.26 ± 1.23b <.001
Psychiatric history
    Current psychiatric diagnosis 55 (46.2%) 24 (42.9%) 9 (37.5%) 22 (56.4%) .273
    Mood disorder 46 (38.7%) 21 (37.5%) 8 (33.3%) 17 (43.6%) .700
    PTSD 22 (18.5%) 10 (17.9%) 5 (20.8%) 7 (17.9%) .947
    Other anxiety disorder 18 (15.1%) 9 (16.1%) 3 (12.5%) 6 (15.4%) .919
Medical history
    Current medical diagnosis 65 (54.6%) 33 (58.9%) 13 (54.2%) 19 (48.7%) .618
    Diabetes 18 (15.1%) 12 (21.4%) 1 (4.2%) 5 (12.8%) .128
    Hyperlipidemia 27 (22.7%) 17 (30.4%) 3 (12.5%) 7 (17.9%) .152
    Hypertension 35 (29.4%) 20 (35.7%) 9 (37.5%) 6 (15.4%) .065
    Cardiovascular disease 12 (10.1%) 7 (12.5%) 2 (8.3%) 3 (7.7%) .711
    Asthma/pulmonary 16 (13.4%) 5 (8.9%) 4 (16.7%) 7 (17.9%) .395
    Kidney dysfunction 2 (1.7%) 1 (1.8%) 0 (0.0%) 1 (2.6%) .743
    Thyroid dysfunction 7 (5.9%) 3 (5.4%) 1 (4.2%) 3 (7.7%) .826

Note. Data expressed as n, with (%) in terms of n over total N unless otherwise stated. Variables with the same superscript yielded significant univariate effects (p ≤ .05) using post hoc Scheffe tests. HCV = infected with chronic hepatitis C virus; PTSD = posttraumatic stress disorder; SD = standard deviation; SUD = history of substance use disorder, currently in remission.

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