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BMJ Open 2:e000767 doi:10.1136/bmjopen-2011-000767
  • Public health
    • Research

A comparison of individual versus community influences on youth smoking behaviours: a cross-sectional observational study

  1. James D Sargent1–,3
  1. 1Department of Pediatrics, Geisel School of Medicine at Dartmouth, Lebanon, New Hampshire, USA
  2. 2Dartmouth-Hitchcock Norris Cotton Cancer Center, Lebanon, New Hampshire, USA
  3. 3Cancer Control Research Program, Norris Cotton Cancer Center, Lebanon, New Hampshire, USA
  4. 4The Dartmouth Institute for Health Policy and Clinical Practice, Geisel School of Medicine at Dartmouth, Lebanon, New Hampshire, USA
  5. 5Community & Family Medicine, The Geisel School of Medicine at Dartmouth, Hanover, New Hampshire, USA
  1. Correspondence to Dr Anna M Adachi-Mejia; anna.adachi-mejia{at}dartmouth.edu
  • Received 6 March 2012
  • Accepted 30 July 2012
  • Published 1 September 2012

Abstract

Objectives To compare individual with community risk factors for adolescent smoking.

Design A cross-sectional observational study with multivariate analysis.

Setting National telephone survey.

Participants 3646 US adolescents aged 13–18 years in 2007 recruited through a random digit-dial survey.

Outcome measures Ever tried smoking and, among experimental smokers, smoking intensity (based on smoking in past 30 days).

Results One-third of participants (35.6%, N=1297) had tried smoking. After controlling for individual risk factors, neither tobacco outlet density nor proximity were associated with tried smoking or smoking intensity. Associations with trying smoking included age (adjusted OR (AOR)=1.23, 95% CI 1.16 to 1.31), lower socioeconomic status (AOR=0.82, 95% CI 0.74 to 0.91), sibling smoking (AOR=2.13, 95% CI 1.75 to 2.59), friend smoking (AOR=2.60, 95% CI 2.19 to 3.10 for some and AOR=7.01, 95% CI 5.05 to 9.74 for most), movie smoking exposure (AOR=2.66, 95% CI 1.95 to 3.63), team sports participation (AOR=0.69, 95% CI 0.54 to 0.89) and sensation seeking (AOR=7.72, 95% CI 5.26 to 11.34). Among experimental smokers, age (AOR=1.32, 95% CI 1.21 to 1.44), minority status (AOR=0.48, 95% CI 0.30 to 0.79 for Black; AOR=0.46, 95% CI 0.31 to 0.69 for Hispanic; AOR=0.53, 95% CI 0.43 to 0.85 for mixed race/other), friend smoking (AOR=3.37, 95% CI 2.37 to 4.81 for some; AOR=20.27, 95% CI 13.22 to 31.08 for most), team sports participation (AOR=0.38, 95% CI 0.26 to 0.55) and sensation seeking (AOR=6.57, 95% CI 3.71 to 11.64) were associated with smoking intensity.

Conclusions The study suggests that interventions and policies to prevent and reduce youth smoking should focus on individual risk factors for smoking, including supporting participation in team sports, minimising exposure to movie smoking, addressing the social influence of friend smoking and addressing experience seeking among high sensation-seekers.

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-commercial License, which permits use, distribution, and reproduction in any medium, provided the original work is properly cited, the use is non commercial and is otherwise in compliance with the license. See: http://creativecommons.org/licenses/by-nc/2.0/ and http://creativecommons.org/licenses/by-nc/2.0/legalcode.

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