BACKGROUND The purpose of this research was to examine whether waterpipe smokers experience increased risk of motor vehicle crashes. METHODS In a telephone survey, a random sample of Iranian drivers were asked to report their age, gender, vehicle age, whether their vehicles were equipped with anti-lock braking system (ABS), average daily drive time (DDT), whether they smoked cigarette or wate...

one of the most important challenges for researchers is deciding on how to collect their data. there are various views on using telephone interviews. conducting telephone interviews on women of 40 years old and older in isfahan about mammography screening behavior showed that it could be an appropriate method for data collection when there is a combination of effective communication process and...

Voice over Internet Protocol (VoIP) offers a wide range of benefits to both enterprises and communications & network service providers. It provides an alternate way to make a telephone call as compared to the Public Switched Telephone Network (PSTN). The industry is slowly recognizing the potential of Voice over IP and many VOIP applications have been developed in the last ten years. This paper...

An ATM/MAN-based personal communication network (PCN) architecture is presented which combines the broadcast and distributed advantages of metropolitan area networks (MANs) for handling local traffic, and the high speed switching capability of asynchronous transfer mode (ATM) for wide area connectivity. A dynamic bandwidth allocation scheme is employed to integrate different types of traffic ov...

BACKGROUND Patients want electronic access to providers. Providers fear being overwhelmed by unreimbursed messages. OBJECTIVE Measure the effects of patient-physician web messaging on primary care practices. DESIGN/SETTING Retrospective analysis of 6 case and 9 control internal medicine (IM) and family practice (FP) physicians' message volume, and a survey of 5,971 patients' web messaging w...

The aim of this study was to examine the correlations between accidents in traffic, at work, at home, and during sports and leisure time. The study is based on three independent but similar data sets (in 1980 n = 9598, in 1988 n = 13,762, and in 1993 n = 4275) representative of all Finns over 14 years of age. The subjects were asked in a telephone interview to report all accidents in which they...

We first describe the recent evolution in the definition of the term “terrorism” following the 11 September 2001 attacks. We presented two specific types of “link analysis” methods used to analyze adversary networks. Ralph McGehee, of the CIA, developed the village survey method used in Thailand in the mid-1960s. We present in detail the evolution of “traffic analysis” (communication link analy...