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Table 2 Unadjusted and adjusted odds of self-reported non-smoking at 6-month follow-up, stratified by use of varenicline or NRT Rx

From: Prospective cohort study of the effectiveness of varenicline versus nicotine replacement therapy for smoking cessation in the “real world”

  OR (95% CI)
Smoking cessation medication Unadjusted OR (95% CI) AdjustedOR (95% CI)
Varenicline (N = 118) 2.70 (1.56-4.64) 3.83 (1.88-7.77)
NRT Rx (reference) (N = 152) 1 1
  1. Odds ratio (OR) adjusted for age, sex, social grade, time since last quit attempt started, number of quit attempts prior to the one in question, stopping abruptly versus cutting down, time spent with urges to smoke, strength of urges to smoke, and year of the survey. 95% CI = 95% confidence interval around OR. NRT Rx = nicotine replacement therapy on prescription.