Effect of tobacco control policies on the Swedish smoking quitline using intervention time-series analysis.

ABSTRACT:

Objectives

To coherently examine the responsiveness of the Swedish National Tobacco Quitline (SNTQ) to different types of anti-smoking policies over an extended period of calendar time.

Design

Quasi-experimental design with an intervention time-series analysis based on 19 years series of data collected between January 1999 and August 2017 (224 months). Statistical inference on calling rates and rate ratios was obtained using intervention time-series models (Poisson regression and transfer functions).

Participants

A total of 179 851 phone calls to the SNTQ.

Interventions

Recent application of the 2014/40/ European Union (EU) Tobacco Products Directive in 2016. Historical interventions such as a campaign on passive smoking in January 2001; introduction of larger

SUBMITTER: Zhou X 

PROVIDER: S-EPMC6924841 | biostudies-literature | 2019 Dec

REPOSITORIES: biostudies-literature