Citation

Simões C, Batista‐Foguet JM, Matos MG, Calmeiro L. Child Care Health Dev. 2008; 34(3): 291-301.

Copyright

(Copyright © 2008, John Wiley and Sons)

DOI

10.1111/j.1365-2214.2007.00808.x

PMID

unavailable

Abstract

Background  A national, representative, school-based sample of Portuguese youths was used to examine the prevalence of alcohol use in this population and to analyse differences between demographic variables such as gender and age, as well as to propose a statistical procedure that optimally quantifies categorical variables.