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Current smoking among young adolescents: assessing school based contextual norms
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    Multilevel models of schools' influence on pupils' smoking

    Pokorny et al show that one must use a multilevel model to accurately identify contextual influences, such as school characteristics, on the behaviour of individuals. Neither aggregate models nor individual level only models will be accurate(1). This is a good point well made.

    Unfortunately, Pokorny et al use aggregated school level perceived prevalence of smoking among peers as their contextual example variabl...

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    None declared.