نتایج جستجو برای: mobile phone data

تعداد نتایج: 2582791  

Objectives Advances in the electronic communication technologies, despite a lot of benefits, have exposed the youth to some threats such as sexting. This study aimed to determine the youth access to mobile phone and the prevalence of sexting in high school students in Rafsanjan City, Iran. Methods The study was a cross-sectional local survey of 944 high school students in Rafsanjan using strat...

Journal: :journal of medical signals and sensors 0
jafar fattahi-asl molood baradaran-ghahfarokhi mojtaba karbalae milad baradaran-ghahfarokhi hamid reza baradaran-ghahfarokhi

ferritin is a macromolecule and is responsible for the long term iron storage function in human serum and plasma. recent studies have highlighted the role of cell phone exposure on central nervous system, immune function and reproduction. the aim of this study was to investigate whether the human serum ferritin level could be interfered by the exposure to the 900 mhz gsm cell phones. fifty huma...

Journal: :journal of biomedical physics and engineering 0
sar mortazavi mb shojaei-fard m haghani n shokrpour smj mortazavi

alzheimer’s disease, the most common type of dementia and a progressive neurode-generative disease, occurs when the nerve cells in the brain die. although there are medications that can help delay the development of alzheimer’s disease, there is cur-rently no cure for this disease. exposure to ionizing and non-ionizing radiation may cause adverse health effects such as cancer. looking at the ot...

2015
Anna Schoeni Katharina Roser Martin Röösli Cheryl M McCormick

Many adolescents tend to leave their mobile phones turned on during night, accepting that they may be awakened by an incoming text message or call. Using self-reported and objective operator recorded mobile phone use data, we thus aimed to analyze how being awakened during night by mobile phone affects adolescents' perceived health and cognitive functions. In this cross-sectional study, 439 ado...

Journal: :basic and clinical cancer research 0
mehdi ranjbaran department of public health, faculty of health, arak university of medical sciences, arak, iran mahmood khodadost department of epidemiology and biostatistics, school of public health, iran university of medical sciences, tehran, iran kamyar mansori department of epidemiology and biostatistics, school of public health, iran university of medical sciences, tehran, iran seyed houssien mousavi jarrahi department of biostatistics, school of public heath, mashhad university of medical sciences, mashhad, iran erfan ayubi department of epidemiology and biostatistics, school of public health and health research institute, tehran university of medical sciences, tehran, iran milad nazarzadeh ilam university of medical sciences, ilam, iran

background : the association of the mobile phone use and risk of brain tumor remains controversial among radiationepidemiologists. methods : we hypothesized if an association between brain tumor and mobile phone use exists, this association will be manifested as a cohort effect (as a proxy of association between mobile phone use and brain tumor) in the incidence rates of brain tumor during the ...

Journal: :The International journal of neuroscience 2007
Martijn Arns Gilles Van Luijtelaar Alex Sumich Rebecca Hamilton Evian Gordon

The present study employs standardized data acquired from the Brain Resource International Database to study the relationship between mobile phone usage, personality, and brain function (n = 300). Based on the frequency and duration of mobile phone usage, three groups were formed. The findings suggest a subtle slowing of brain activity related to mobile phone use that is not explained by differ...

2016
Zhaocai Jiang Xiuxin Zhao

BACKGROUND With the popularity of mobile phones, problematic mobile phone use is getting increasing attention in recent years. Although self-control was found to be a critical predictor of problematic mobile phone use, no study has ever explored the association between self-control and mobile phone use patterns as well as the possible pathway how self-control affects problematic mobile phone us...

Alireza Ziaei Bideh, Manijeh Bahreini Zadeh Seyed Yaghoub Hosseini

Because of the need to develop specific measurement scales for different services industries, this study aimed to empirically develop a reliable and valid model specifically for measuring mobile telecommunication service quality. A multidimensional measurement model (MS-Qual) has been proposed based on an extensive literature review and then, to assess the model validity, convergent and discrim...

Recommender systems suggest proper items to customers based on their preferences and needs. Needed time to search is reduced and the quality of customer’s choice is increased using recommender systems. The context information like time, location and user behaviors can enhance the quality of recommendations and customer satisfication in such systems. In this paper a context aware recommender sys...

Introduction: World Health Organization reports’, indicated that the image of health care service delivery have changed by application of mobile health and wireless technologies for supporting and achieving the objectives of health industry. The present study aimed to determining the level of physicians’ familiarity with Mobile Health Services and investigating the factors affecting...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید