Document Classification

Section Type: RESULTS

Text: Sustained abstinence rates for the patch and nasal spray group and patch only group were 51 % v 35 % after 6 weeks (odds ratio 1. 97, 95 % confidence interval 1. 17 % to 3. 32 ; P = 0. 011 (chi2), 37 % v 25 % after 3 months (1. 76, 1. 01 to 3. 08 ; P = 0. 045), 31 % v 16 % after 6 months (2. 40, 1. 27 to 4. 50 ; P = 0. 005), 27 % v 11 % after 12 months (3. 03, 1. 50 to 6. 14 ; P = 0. 001), and 16 % v 9 % after 6 years (2. 09, 0. 93 to 4. 72 ; P = 0. 08) [corrected].