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. 2014 Aug 20;17(5):510–514. doi: 10.1093/ntr/ntu163

Table 1.

Baseline Characteristics of Smokers With Schizophrenia (SS) and Control Smokers (CS)

SS CS SS vs. CS
(n = 29) (n = 28) Statistic p Value
Age [M (SD)] 46.4 (8.1) 45.1 (11.0) t 55 = 0.50 0.62
Male 62% 57% χ2(1) = 0.14 0.71
Education (years) 12.0 (2.2) 12.4 (1.8) t 55= 0.68 0.50
Race χ2(4) = 3.29 0.51
 White 76% 61%
 Black/African-American 14% 29%
 American Indian/Alaskan Native 7% 4%
 Asian-American 0% 4%
 Multiracial/other 3% 4%
Hispanic ethnicity 0% 4% χ2(1) = 1.05 0.31
FTND score 6.9 (1.5) 6.9 (1.8) t 55 = 0.01 0.99
Cigarettes per day 25.8 (10.0) 24.3 (6.9) t 55 = 0.64 0.52
Baseline breath CO level (ppm) 33.1 (24.6) 27.6 (14.3) t 55 = 1.03 0.31
PANSS Total Score 52.6 (14.7)
Antipsychotic drug class 69% atypical
17% typical
7% both

Note. FTND = Fagerström Test for Nicotine Dependence; CO = carbon monoxide; ppm = parts per million; PANSS = Positive and Negative Syndrome Scale.