%0 Journal Article %T Non-responders in a quitline evaluation are more likely to be smokers ¨C a drop-out and long-term follow-up study of the Swedish National Tobacco Quitline %A Eva Nohlert %A John £¿hrvik %A ¨¢sgeir R. Helgason %J Archive of "Tobacco Induced Diseases". %D 2016 %R 10.1186/s12971-016-0070-2 %X A previous randomized controlled trial (RCT) of the Swedish National Tobacco Quitline detected no significant differences in smoking cessation outcomes between proactive and reactive services at 12-month follow-up. However, the response rate was only 59 % and non-responders were over-represented in the proactive service. We performed a drop-out analysis to assess the smoking status of initial responders and non-responders %K Effectiveness %K Intention-to-treat %K Non-response %K Per protocol %K Proactive %K Reactive %K Responder-only analysis %K Smoking %K Telephone %K Questionnaire %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4739394/