Document Classification

Section Type: RESULTS

Text: Nicotine transdermal patches were more effective in smokers with moderate nicotine dependence [odds ratio (OR) 1. 94 ; 95 % confidence interval (CI) 1. 24-3. 04] than in mildly or highly dependent smokers (OR 0. 98 ; 95 % CI 0. 58-1. 65) (difference in ORs P < 0. 05) and more effective in those aged 24-49 years (OR 1. 89 ; 95 % CI 1. 24-2. 87) than in older smokers aged 50-65 years (OR 0. 88 ; 95 % CI 0. 49-1. 59) (difference in ORs P < 0. 05).