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Adolescent cigarette and e-cigarette use after the rise of disposable e-cigarettes: interrupted time series study in Germany 2016–2024
  1. Reiner Hanewinkel,
  2. Julia Hansen
  1. Institut für Therapie- und Gesundheitsforschung, Kiel, Schleswig-Holstein, Germany
  1. Correspondence to Dr Reiner Hanewinkel; hanewinkel{at}ift-nord.de

https://doi.org/10.1136/tc-2024-059215

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    There has been a rapid rise in disposable e-cigarette use in Germany1 and England2 since June 2021. We examined how this has affected population trends in current use of cigarettes and e-cigarettes among adolescents in Germany.

    Methods

    We used data from eight waves of the Prevention Radar study (https://www.praeventionsradar.de/). The (online) questionnaire survey is conducted annually between November and February in a convenience sample of general secondary schools in 14 federal states of Germany. Prevalence estimates of monthly e-cigarette and cigarette use from winter 2016/2017 to winter 2023/2024 for early adolescence (11–14 years) and late adolescence (15–17 years)3 in repeated cross sections. These estimates are based on a total of 103 618 adolescent respondents.

    An interrupted time series (ITS) design was used.4 The interruption is …

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    Footnotes

    • Contributors Both authors contributed equally. RH is the guarantor.

    • Funding DAK, a German health insurance.

    • Competing interests RH is a volunteer of the German smokefree alliance. JH has no conflicts of interest.

    • Provenance and peer review Not commissioned; externally peer reviewed.