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Published on: February 12, 2015
Adolescent smoking trajectories: results from a population-based cohort study
Debra H Bernat1, Darin J Erickson, Rachel Widome
1School of Nursing, University of Minnesota, Minneapolis, MN 55455, USA. dbernat@umn.edu
Summary
Adolescent smoking shows diverse patterns, with factors like parental and peer smoking strongly predicting trajectory membership. Understanding these influences is key to prevention efforts.
Area of Science:
- Public Health
- Adolescent Health
- Behavioral Science
Background:
- Adolescent smoking remains a significant public health concern.
- Understanding the developmental trajectories of smoking initiation and progression is crucial for effective intervention.
Purpose of the Study:
- To identify distinct patterns (trajectories) of adolescent tobacco use.
- To examine how various smoking-related factors influence membership in these trajectories.
Main Methods:
- A cohort-sequential design followed 3637 adolescents (ages 12-16) for 3 years.
- Data collected included tobacco use, parental/friend smoking behaviors, attitudes, beliefs, and home smoking policies.
Main Results:
- Six distinct tobacco use trajectories were identified: nonsmokers (54%), triers (17%), occasional users (10%), early established (7%), late established (8%), and decliners (4%).
- Parental smoking, friend smoking, perceived prevalence of smoking, and functional meaning of tobacco use predicted higher likelihood of smoking trajectories.
- Perceived difficulty smoking in public, negative tobacco industry perceptions, and home smoking policies predicted lower likelihood of smoking trajectories.
Conclusions:
- Adolescents display varied smoking patterns throughout their teenage years.
- Tobacco-related influences significantly predict an adolescent's trajectory of smoking behavior.
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