منابع مشابه
Hookah use among U.S. high school seniors.
OBJECTIVES Prevalence of hookah use is increasing significantly among adolescents. This study aimed to delineate demographic and socioeconomic correlates of hookah use among high school seniors in the United States. We hypothesized that more impoverished adolescents and those who smoked cigarettes would be more likely to use hookahs. METHODS Data were examined for 5540 high school seniors in ...
متن کاملSynthetic Cannabinoid Use Among High School Seniors.
OBJECTIVES In this study, we examined the prevalence and correlates of current synthetic cannabinoid (SC) use among high school seniors in the United States. METHODS Monitoring the Future, an annual nationally representative survey of high school seniors, began querying current (30-day) SC use in 2014. Data were examined from the 2 most recent cohorts (2014-2015; N = 7805). Prevalence of self...
متن کاملMisunderstandings about the Concept of Limit among High School Seniors
Misunderstandings about the Concept of Limit among High School Seniors E. Reyhaani, Ph.D. Z. Sharifi M. Soltaani The concept of limit is one of the basic concepts in mathematics. As such, clear understanding of it is pre-requisite for learning many other concepts. However, many of high school students suffer from misunderstanding this basic concept. To identify and remedy these ...
متن کاملTrends in Hookah Use Among New York City Middle and High School Students, 2008–2014
We examined trends in hookah use among New York City middle and high school students. We calculated prevalences, linear trends, and odds ratios of ever and current hookah use, by selected demographic variables, using 2008 through 2014 data from the New York State Youth Tobacco Survey. The prevalence of ever hookah use increased overall from 2008 through 2014 (8.9% to 13.0%, P = .01); current us...
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ژورنال
عنوان ژورنال: PEDIATRICS
سال: 2014
ISSN: 0031-4005,1098-4275
DOI: 10.1542/peds.2014-0538