نتایج جستجو برای: longitudinal studies

تعداد نتایج: 1528422  

Journal: :Journal of dental education 2014
Hawazin W Elani Paul J Allison Ritu A Kumar Laura Mancini Angella Lambrou Christophe Bedos

The aim of this study was to systematically review the available literature on the levels, causes, and impact of stress among dental students. The investigators searched eight electronic databases: Medline, Medline in process, Psychinfo, ERIC, Embase, Cochrane Library, Web of Science, and SCOPUS. Two independent reviewers conducted the selection, data extraction, and quality appraisal for inclu...

2013
Jonathan C. K. Wells Georgina Sharp Philip J. Steer David A. Leon

BACKGROUND Ethnic groups differ significantly in adult physique and birth weight. We aimed to improve understanding of maternal versus paternal contributions to ethnic differences in birth weight, by comparing the offspring of same-ethnic versus mixed-ethnic unions amongst Europeans and South Asian Indians in the UK. METHODOLOGY AND PRINCIPAL FINDINGS We used data from the UK Office for Natio...

Journal: :hepatitis monthly 0
shahnaz sali infectious diseases and tropical medicine research center, shahid beheshti university of medical sciences, tehran, ir iran; infectious diseases and tropical medicine research center, shahid beheshti university of medical sciences, tehran, ir iran. tel: +98-9123067784, fax: +98-2122546026 seyed moayed alavian baqiyatallah research center for gastroenterology and liver disease, tehran, ir iran graham r foster queen mary, university of london, the liver unit, london, uk hossein keyvani department of virology, tehran university of medical science, tehran, ir iran leila mehrnoosh baqiyatallah research center for gastroenterology and liver disease, tehran, ir iran navid mohammadi department of community medicine, faculty of medicine, tehran university of medical sciences, tehran, ir iran

background hepatitis b virus (hbv) is one of the most common chronic viral infections in the world. iran has a low to intermediate hbv prevalence and approximately 1.5 million people are living with hbv infection. the impact of hbv in iran is unknown and given the very low levels of alcohol consumption, this region provides an opportunity to examine the impact of isolated chronic hbv infection....

2016
Joanna Martin Kate Tilling Leon Hubbard Evie Stergiakouli Anita Thapar George Davey Smith Michael C. O'Donovan Stanley Zammit

Progress has recently been made in understanding the genetic basis of schizophrenia and other psychiatric disorders. Longitudinal studies are complicated by participant dropout, which could be related to the presence of psychiatric problems and associated genetic risk. We tested whether common genetic variants implicated in schizophrenia were associated with study nonparticipation among 7,867 c...

Journal: :Public health nutrition 2016
Jimin Yang Kristian F Lynch Ulla M Uusitalo Kristina Foterek Sandra Hummel Katherine Silvis Carin Andrén Aronsson Anne Riikonen Marian Rewers Jin-Xiong She Anette G Ziegler Olli G Simell Jorma Toppari William A Hagopian Åke Lernmark Beena Akolkar Jeffrey P Krischer Jill M Norris Suvi M Virtanen Suzanne B Johnson

OBJECTIVE Non-compliance with food record submission can induce bias in nutritional epidemiological analysis and make it difficult to draw inference from study findings. We examined the impact of demographic, lifestyle and psychosocial factors on such non-compliance during the first 3 years of participation in a multidisciplinary prospective paediatric study. DESIGN The Environmental Determin...

2015
Deborah Loxton Jennifer Powers Amy E Anderson Natalie Townsend Melissa L Harris Ryan Tuckerman Stephanie Pease Gita Mishra Julie Byles

BACKGROUND In 2012, we set out to recruit a cohort of at least 10,000 women aged 18-23 from across Australia. With recent research demonstrating the inadequacy of traditional approaches to recruiting women in this age group, we elected to conduct open recruiting. OBJECTIVE Our aim was to report on the overall success of open recruiting and to evaluate the relative success of a variety of recr...

Journal: :Archives of gerontology and geriatrics 2014
Magnus Stenhagen Henrik Ekström Eva Nordell Sölve Elmståhl

As the physical consequences of accidental falls in the elderly are well-researched, the long-term associations between falls and quality of life and related concepts are less known. The aim of this study was to prospectively examine the long-term relations between falls and health-related quality of life (HRQoL) and life satisfaction (LS) over six years in the general elderly population. One t...

Journal: :Biomedical and environmental sciences : BES 2016
Zhu Liang Qiao Yan Qiu Jia Hui Wu Jing Wen Zhou Tian Xu Ming Zhi Zhang Yong Hong Zhang Shao Yan Zhang

OBJECTIVE No previous studies have evaluated the association between dyslipidemia, alcohol drinking, and diabetes in an Inner Mongolian population. We aimed to evaluate the co-effects of drinking and dyslipidemia on diabetes incidence in this population. METHODS The present study was based on 1880 participants from a population-based prospective cohort study among Inner Mongolians living in C...

Journal: :American journal of epidemiology 2014
Liana S Leach Sarah C Olesen Peter Butterworth Carmel Poyser

Despite growing interest and concern about men's mental health during the perinatal period, we still do not know whether men are more vulnerable to mental health problems during this time. The current study is one of the first to use longitudinal, population-based data to investigate whether becoming an expectant and/or new father is associated with increases in psychological distress. We analy...

Journal: :annals of military and health science research 0
محمود شیرازی mahmoud shirazi department of psychology, faculty of education and psychology, university of sistan and baluchestan, zahedan, iran.

purpose: to examine and compare the prevalence of different types of mental disorders among the administrative staff and warders of the central prison of sistan and baluchestan. materials and methods: the study population included all employees of zahedan general office of prisons. the sample consisted of 100 employees, of whom fifty individuals worked in various administrative units of zahedan...

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