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Population trends in smoking, alcohol use and primary prevention variables among adolescents in Iceland, 1997-2014

Aims To estimate linear time‐trends in substance use and primary prevention variables in adolescents in Iceland from 1997 to 2014. Design Repeated, cross‐sectional population‐based school surveys with seven waves of pooled data. Setting: Iceland. Participants All accessible students enrolled in the...

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Bibliographic Details
Published in:Addiction (Abingdon, England) England), 2016-04, Vol.111 (4), p.645-652
Main Authors: Kristjansson, Alfgeir L., Sigfusdottir, Inga Dora, Thorlindsson, Thorolfur, Mann, Michael J., Sigfusson, Jon, Allegrante, John P.
Format: Article
Language:English
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Summary:Aims To estimate linear time‐trends in substance use and primary prevention variables in adolescents in Iceland from 1997 to 2014. Design Repeated, cross‐sectional population‐based school surveys with seven waves of pooled data. Setting: Iceland. Participants All accessible students enrolled in the 9th and 10th grades in the national Icelandic school system during the spring of 1997, 2000, 2003, 2006, 2009, 2012 and 2014 (n = 50 412, boys = 50%). Response rates ranged between 81 and 90% of the population. Measurements Measures on substance use included smoking and alcohol use. Primary prevention measures included parental monitoring, parental social involvement, participation in organized sports and reduced participation in a party life‐style. Findings Substance use decreased consistently during the study period. For example, 30‐day drunkenness declined from 29.6 in 1997 to 3.6% in 2014 (linear trend: χ2(1) = 2846.8, P 
ISSN:0965-2140
1360-0443
DOI:10.1111/add.13248