Alfgeir L Kristjansson, Christa L Lilly, Michael J Mann, Megan L Smith, Steven M Kogan, Hannah M Layman, Jack E James
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引用次数: 0
Abstract
Introduction: Caffeine is a psychostimulant possessing arousal, motor activation, and reinforcing properties, which is consumed daily by most adolescents aged 12-19 years. Although current understanding of the implications of adolescent caffeine consumption for school behaviors remains incomplete, studies have shown that in addition to acute effects of the drug, in common with other habit-forming psychoactive substances, regular use leads to physical dependence, evidenced by recurring negative withdrawal symptoms.
Methods: Employing two waves of longitudinal data, we tested the prospective association between daily caffeine use and homeroom teacher-observed self-control and problem behavior in a sample of middle-school students in 20 schools in West Virginia in the United States. Caffeine was operationalized with two dichotomized variables, daily consumption of <100 mg, and daily consumption of >100 mg, versus no daily use. Gender, mother's education, family financial status, social support by primary caregiver and adults in school, and school climate, were applied as covariates in linear mixed models.
Results: Daily caffeine use of >100 mg was robustly and inversely associated with self-control and positively associated with problem behavior.
Conclusions: Caffeine consumption and associated withdrawal symptoms may be an important factor in problematic school behavior among adolescents. Recent advent of highly concentrated caffeine products (e.g., caffeine "shots") commonly marketed directly at youth, should give rise to concerns including consideration about limiting caffeine consumption among children and youth.
期刊介绍:
The Journal of Adolescence is an international, broad based, cross-disciplinary journal that addresses issues of professional and academic importance concerning development between puberty and the attainment of adult status within society. It provides a forum for all who are concerned with the nature of adolescence, whether involved in teaching, research, guidance, counseling, treatment, or other services. The aim of the journal is to encourage research and foster good practice through publishing both empirical and clinical studies as well as integrative reviews and theoretical advances.