منابع مشابه
Use of Tobacco and Oral Sub Mucous Fibrosis in Teenagers
The Study was conducted to evaluate the prevalence of Use of tobacco & its associated products & Oral Sub Mucous Fibrosis among teenagers. It was conducted on 750 school going teenagers of Dehradun city. Results of the study showed that 34.1% of the study subjects used tobacco & its associated products & among them 14.2% of Oral Sub Mucous Fibrosis cases were identified. Association between typ...
متن کاملCoupons collecting with or without replacement, and with multipurpose coupons
The classic Coupon-Collector Problem (CCP) is generalized. Only basic probability theory is used. Centerpiece rather is an algorithm that efficiently counts all k-element transversals of a set system.
متن کاملEvaluation of a tobacco prevention programme among teenagers in Sweden
OBJECTIVE To study the prevalence of tobacco use among teenagers, to evaluate a tobacco prevention programme and to study factors related to participation in the prevention programme. DESIGN AND SETTING Population-based prospective cohort study. METHOD Within the Obstructive Lung disease in Northern Sweden (OLIN) studies, a cohort study about asthma in schoolchildren started in 2006. All ch...
متن کاملUnderlying Predictors of Tobacco Smoking among Iranian Teenagers: Generalized Structural Equation Modeling
Background: To define underlying predictors of tobacco smoking among Iranian Teenagers in a generalized structural equation model. Materials and Methods: In this cross-sectional study, a Generalized Structural Equation Model based on planned behavioral theory was used to explain the relationship among different factors such as demographic factors, subjective norms, and the intention to tobacco ...
متن کاملEndogenous current coupons
We consider the problem of identifying endogenous current coupons for To-BeAnnounced (TBA) agency mortgage pass through securities. Current coupons play a crucial role in the mortgage backed securities. The current coupon is said to be endogenous if it gives rise to a fairly, or par valued, TBA. Since prepayments both affect the value of the mortgage and depend heavily upon the coupon, the iden...
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ژورنال
عنوان ژورنال: JAMA: The Journal of the American Medical Association
سال: 1991
ISSN: 0098-7484
DOI: 10.1001/jama.1991.03460100059021