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Electroencephalographic, Heart Rate, and Galvanic Skin Response Assessment for an Advertising Perception Study: Application to Antismoking Public Service Announcements
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Adolescent smoking behavior and outcome expectancies.

Ola Jøsendal1, Leif Edvard Aarø

  • 1Department of Health Promotion and Development, University of Bergen, Norway. ola.josendal@helse-bergen.no

Scandinavian Journal of Psychology
|December 14, 2011
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Summary

Adolescent smoking expectancies, particularly social factors, predict smoking behavior. Understanding these expectations is crucial for effective prevention programs targeting youth smoking.

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Area of Science:

  • Psychology
  • Public Health
  • Adolescent Behavior

Background:

  • Adolescent smoking behavior is often linked to expectations about smoking outcomes.
  • Previous research highlights the importance of understanding these expectancies for intervention.

Purpose of the Study:

  • To investigate the dimensionality and stability of smoking outcome expectancies in adolescents.
  • To examine the predictive relationship between smoking outcome expectancies and adolescent smoking behavior over time.

Main Methods:

  • Longitudinal study using data from Norwegian secondary school students at two time points (T1 and T2, 30 months apart).
  • Analysis of smoking outcome expectancies using factor analysis and correlation.
  • Statistical modeling to assess the predictive power of expectancies on smoking habits.

Main Results:

  • Smoking outcome expectancies demonstrated a stable three-component structure: "Addicted", "Not harmful", and "Social".
  • Low to moderate stability (r=0.41) was observed for total sumscores over 30 months.
  • Never smokers differed significantly from smokers, scoring lower on "Social" and "Not harmful" and higher on "Addictive" expectancies.
  • The "Social" dimension strongly predicted smoking behavior at both time points.
  • The "Addictive" expectancy at T1 predicted smoking habits at T2, even after controlling for baseline smoking and concurrent expectancies.

Conclusions:

  • Smoking outcome expectancies, especially social ones, are significant predictors of adolescent smoking.
  • Prevention programs should consider a broader range of outcome expectancies beyond just health-related factors.
  • The "Addictive" and "Social" dimensions of smoking expectancies warrant particular attention in youth smoking prevention strategies.