Cohort Profile: The Nicotine Dependence in Teens (NDIT) Study.

TitleCohort Profile: The Nicotine Dependence in Teens (NDIT) Study.
Publication TypeJournal Article
Year of Publication2015
AuthorsO'Loughlin J, Dugas EN, Brunet J, DiFranza J, Engert JC, Gervais A, Gray-Donald K, Karp I, Low NC, Sabiston C, Sylvestre M-P, Tyndale RF, Auger N, Auger N, Mathieu B, Tracie B, Chaiton M, Chenoweth MJ, Constantin E, Contreras G, Kakinami L, Labbe A, Maximova K, McMillan E, O'Loughlin EK, Pabayo R, Roy-Gagnon M-H, Tremblay M, Wellman RJ, Hulst A, Paradis G
JournalInt J Epidemiol
Volume44
Issue5
Pagination1537-46
Date Published2015 Oct
ISSN1464-3685
Abstract

The Nicotine Dependence in Teens (NDIT) study is a prospective cohort investigation of 1294 students recruited in 1999-2000 from all grade 7 classes in a convenience sample of 10 high schools in Montreal, Canada. Its primary objectives were to study the natural course and determinants of cigarette smoking and nicotine dependence in novice smokers. The main source of data was self-report questionnaires administered in class at school every 3 months from grade 7 to grade 11 (1999-2005), for a total of 20 survey cycles during high school education. Questionnaires were also completed after graduation from high school in 2007-08 and 2011-12 (survey cycles 21 and 22, respectively) when participants were aged 20 and 24 years on average, respectively. In addition to its primary objectives, NDIT has embedded studies on obesity, blood pressure, physical activity, team sports, sedentary behaviour, diet, genetics, alcohol use, use of illicit drugs, second-hand smoke, gambling, sleep and mental health. Results to date are described in 58 publications, 20 manuscripts in preparation, 13 MSc and PhD theses and 111 conference presentations. Access to NDIT data is open to university-appointed or affiliated investigators and to masters, doctoral and postdoctoral students, through their primary supervisor (www.nditstudy.ca).

DOI10.1093/ije/dyu135
Alternate JournalInt J Epidemiol
PubMed ID25022274

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