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Taking the pressure off the spring: the case of rebounding smoking rates when antitobacco campaigns ceased
  1. Joanne Dono1,
  2. Jacqueline Bowden1,
  3. Susan Kim2,
  4. Caroline Miller1,3
  1. 1Population Health Research Group, South Australian Health and Medical Research Institute, Adelaide, South Australia, Australia
  2. 2Heart Health, South Australian Health and Medical Research Institute, Adelaide, South Australia, Australia
  3. 3School of Population Health and Clinical Practice, University of Adelaide, Adelaide, South Australia, Australia
  1. Correspondence to Joanne Dono, Population Health Research Group, South Australian Health and Medical Research Institute (SAHMRI), Adelaide, SA 5000, USA; jo.dono{at}sahmri.com

Abstract

Objective Smoking rates have been compared with a spring, requiring continuous downward pressure against protobacco forces, rather than a screw, which once driven down stays down. Quality antitobacco mass media campaigns put downward pressure on smoking rates. The suspension of a major Australian state campaign provided a natural experiment to assess effects on smoking. Furthermore, we document the positive influence of robust monitoring and mature advocacy on the political decision to reinstate funding. We also document the misuse by industry of South Australian smoking data from the period between Australia’s implementation and subsequent evaluation of plain packaging.

Methods A time series analysis was used to examine monthly smoking prevalence trends at each of four intervention points: (A) commencement of high-intensity mass media campaign (August 2010); (B) introduction of plain packaging (December 2012), (C) defunding of campaign (July 2013); and (D) reinstatement of moderate-intensity campaign (July 2014).

Findings The suspension of the antitobacco campaign was disruptive to achieving smoking prevalence targets. There was an absence of a downward monthly smoking prevalence trajectory during the non-campaign period. Moreover, there was a significant decline in smoking prevalence during the period of high-intensity advertising, which continued after the introduction of plain packaging laws, and at the recommencement of campaign activity.

Conclusions While the observed declines in smoking prevalence are likely due to a combination of interventions and cannot be attributed exclusively to antitobacco advertising, the results reinforce the political decision to reinstate the campaign and demonstrate the need for maintained investment to keep downward pressure on smoking rates.

  • smoking prevalence
  • anti-tobacco campaigns
  • survey
  • policy

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Footnotes

  • Contributors All authors conceptualised and designed the study; JD and SK analysed the data; JD drafted the manuscript; CM and JB contributed to the interpretation of results and critically reviewed the manuscript; all authors approved the final version.

  • Funding The study was funded by Government of South Australia.

  • Competing interests None declared.

  • Patient consent Not required.

  • Ethics approval Ethics approval was provided by the University of Adelaide Human Research Ethics Committee.

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

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