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Ludden, Alison Bryant; Wolfson, Amy R. – Health Education & Behavior, 2010
Little is known about adolescents' caffeine use, yet caffeinated soda, and more recently coffee and energy drinks, are part of youth culture. This study examines adolescents' caffeine use and, using cluster analysis, identifies three groups of caffeine users who differed in their reasons for use, expectancies, and sleep behaviors. In this high…
Descriptors: Sleep, Adolescents, Multivariate Analysis, Stimulants