Associations of the Stoptober smoking cessation program with information seeking for smoking cessation: A Google trends study.

•The temporary smoking abstinence campaign Stoptober seems a promising intervention.•The effect of Stoptober was measured using online search data on smoking cessation.•Stoptober was associated with increases in information seeking for smoking cessation.•The increases in information seeking were as large as those around New Year.•Abstinence campaigns like Stoptober could have a large reach in national populations.