Among follow-up respondents , completing the 4 modules of the intervention increased the chances of smoking cessation ( OR 1.95 , 95 % CI 1.27-2 .97 , P < .001 ) , as did smoking 30 minutes ( OR 1.58 , 95 % CI 1.04-2 .39 , P = .003 ) or 1 hour after waking ( OR 1.93 , 95 % CI 1.27-2 .93 , P < .001 ) compared to smoking within the first 5 minutes after waking .