نتایج جستجو برای: prevalence of quantity
تعداد نتایج: 21175850 فیلتر نتایج به سال:
Background. It is standard practice for laboratories to assess the cellular quality of expectorated sputum specimens to check that they originated from the lower respiratory tract. The presence of low numbers of squamous epithelial cells (SECs) and high numbers of polymorphonuclear (PMN) cells are regarded as indicative of a lower respiratory tract specimen. However, these quality ratings have ...
BACKGROUND The age-dependent increase of chronic obstructive pulmonary disease (COPD) prevalence caused by smoking and other inhalational exposures in the general population is well-known worldwide. However, time trends are poorly known, due to lower number of high-quality studies especially following nationwide efforts on diminishing exposure levels. This study aimed to compare the prevalence ...
This study presents an overview of Dutch studies on prevalence of alcohol use and adds findings from our own study on prevalence of drinking among adolescents and young adults aged 12-30 years in the Netherlands. Data were collected as part of a longitudinal study by the Netherlands Twin Register in 1993 (n=3885), 1995 (n=4814), 1997 (n=3772) and 2000 (n=4090). Measures included lifetime alcoho...
AIMS This study was undertaken to evaluate the association between cigarette smoking behavior and DSM-IV nicotine dependence. DESIGN Drawing on a sample of first year college students selected for representation across a continuum of smoking behavior, current DSM-IV nicotine dependence criteria were assessed among participants reporting any smoking in the preceding week on a web-based survey ...
Coronary artery disease (CAD) is the leading cause of death in adults after successful kidney transplantation. Children who have undergone successful kidney transplantation are entering young adulthood; however, the prevalence and extent of CAD in this population is unknown. We conducted a pilot study in young adults with stable allograft function, who received kidney transplants as children to...
normal 0 false false false en-us x-none ar-sa microsoftinternetexplorer4 background: after conducting a study on shift work and its related health problems in a petrochemical company and recommending a new shift system, the company changed its shift schedule from 12-hour to 8-hour pattern. after a year of implementing this new system, the present study was carried out to evaluate the effects of...
BACKGROUND Carbohydrate quality and quantity may affect the risk for cardiovascular diseases (CVD) and type-2 diabetes mellitus. Glycemic load (GL) is a mathematical concept based on carbohydrate quality and quantity. GL is a product of glycemic index (GI) and the carbohydrate content of a food item divided by 100. OBJECTIVE In this study, the association between GL and components and prevale...
the seller must deliver the goods in conformity with the contract. one of cases of conformity is its conformity with the contract in terms of quantity. namely, the seller must deliver the goods that are equal with the specified amount in the contract. in practice, the delivered goods may be larger than the amount specified in the contract. in iranian law, where the goods are larger than contrac...
OBJECTIVES To determine the prevalence and characteristics of fetal alcohol spectrum disorders (FASD) among first grade students (6- to 7-year-olds) in a representative Midwestern US community. METHODS From a consented sample of 70.5% of all first graders enrolled in public and private schools, an oversample of small children (≤ 25th percentile on height, weight, and head circumference) and r...
Rockefeller Archive Center Research Reports Online is a periodic publication of the Rockefeller Archive Center, a division of The Rockefeller University. Edited by Ken Rose and Erwin Levold under the general direction of the Center's director, Darwin H. Stapleton, Research Reports Online is intended to foster the network of scholarship in the history of philanthropy and to highlight the diverse...
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