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School and family participation in a longitudinal study of tobacco use
Some methodological notes

Ann Post, Maria Rosaria Galanti, Hans Gilljam
DOI: http://dx.doi.org/10.1093/eurpub/13.1.75 75-76 First published online: 1 March 2003


School‐based recruitment of youth for a research purpose is problematic, as one has to deal with multiple ethical and practical constraints. This study reports on predictors of schools' and families' participation in a longitudinal study of tobacco use among 11‐year‐old children. School size, but not tobacco policy, was linked to participation. High parental education and average social status in the residence area were associated with parental consent. Given the social background, prevalence of parental tobacco use was close to the expected. Compliance of responsible adults in youth research cannot be predicted on the basis of simple behavioural models.

  • active consent; cohort study; participation; school children; tobacco

Received 19 October 2001. Accepted 16 April 2002.