BACKGROUND Few studies have compared the validity of objective measures of physical activity energy expenditure (PAEE) in pregnant and non-pregnant women. PAEE is commonly estimated with accelerometers attached to the hip or waist, but little is known about the validity and participant acceptability of wrist attachment. The objectives of the current study were to assess the validity of a simple...

Commercial serologic assays accurately detect adult Helicobacter pylori infection. Their use in children remains controversial. An ELISA to detect H. pylori IgG in children was developed and compared with three commercial assays. ELISA standardization was done with sera from all ages and validation was done with another cohort of sera with known H. pylori status. Three commercial serologic assa...

The Bible, which contains the Old Testament and the New Testament, is called the cornerstone of western culture. The Psalms is a book included in the Old Testament and occupies an important position in the Bible. The importance of the Bible also prompts the development of numerous translation theories. Among many scholars who devote themselves to Bible translation survey, an American linguist, ...

Assessing vitamin and mineral supplement use is important because supplement use per se is an exposure of interest for the risk of several chronic diseases and because supplements contribute a large proportion of total (diet plus supplement) micronutrient intake, another important exposure in epidemiologic research. Unfortunately, little is known about methods for obtaining valid information ab...

CONTEXT: Numerous studies have investigated the use of cross-company datasets to estimate effort for single-company projects; however to date only one has compared the effect of using a chronological split instead of a random split to assign projects to a training set and a validation set, finding no significant differences. OBJECTIVE: The aim of this study is to extend [15] using a project-by-...

The area of cross-cultural management and organization studies has been dominated by Hofstede’s (1980a) seminal work on cultural values dimensions. Despite much recent criticism, and perhaps because of it, he remains the most cited author in this area. It is difficult to start any account in this field without reference to his work, and this is certainly the starting point here. This chapter fi...

usually staggered to separate the two crossings as shown in Figure 2. Staggered crossings are designed to force pedestrians to face the upcoming traffic and to avoid the confusion that pedestrians may see the further pedestrian signal indication when they are supposed to follow the first-stage signal. Staggered crossings are implemented widely in the United Kingdom and Japan and are recommended...

AIMS To provide empirical data-driven identification of a group of addicted online gamers. DESIGN Repeated cross-sectional survey study, comprising a longitudinal cohort, conducted in 2008 and 2009. SETTING Secondary schools in the Netherlands. PARTICIPANTS   Two large samples of Dutch schoolchildren (aged 13-16 years). MEASUREMENTS Compulsive internet use scale, weekly hours of online ...

Wind flow in urban environments is an important factor governing the dispersion of heat and pollutants from streets, squares and buildings. This paper presents a coupled CFD modelling approach for urban wind flow and indoor natural ventilation. A specific procedure is used to efficiently and simultaneously generate the geometry and the high-resolution body-fitted grid for both the outdoor and i...

OBJECTIVE To develop and validate an Arabic allergic rhinitis quality of life questionnaire (AAQQ). METHODS The study was conducted at the Ear, Nose, and Throat Clinic at the University of Jordan Hospital, Amman, Jordan, from February 2006 to June 2007. A questionnaire was developed from data obtained from 90 patients, and the validation study was conducted on 140 patients. The study was a 5-...