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. Author manuscript; available in PMC: 2008 Jun 15.
Published in final edited form as: Drug Alcohol Depend. 2006 Dec 13;89(1):42–51. doi: 10.1016/j.drugalcdep.2006.11.017

Table 5.

The risk of DSM-IV nicotine dependence associated with one unit change in NDSS factor scores in logistic regression models (odds ratio, OR and 95% confidence interval, CI) unadjusted and adjusted for each NDSS factor (n=1167 smokers)

Risk for DSM-IV nicotine dependence
Factors singly in model Factors jointly in model
NDSS factors (continuous variables) OR (95% CI) OR (95% CI)
Drive/Priority 2.90 (2.42–3.49) 2.77 (2.31–3.32)
Stereotypy/Continuity 1.33 (1.15–1.52) 1.20 (1.04–1.39)
Tolerance 2.20 (1.88–2.58) 2.11 (1.79–2.48)

Adjusted for dependence of family members within families