نتایج جستجو برای: epidemiologic trend

تعداد نتایج: 142523  

Journal: :Revue d'epidemiologie et de sante publique 2002
B Chaix P Chauvin

Using contextual factors beyond individual factors, contextual analysis allows a more accurate identification of at-risk populations, which could be useful when planning health programs. Multilevel models, widely used in British and North-American social epidemiology research but less frequently in France, are particularly suitable to analyse contextual data, because they take into account thei...

Journal: :International journal of epidemiology 1997
J H Wolleswinkel-van den Bosch C W Looman F W Van Poppel J P Mackenbach

BACKGROUND The objective of this study is to produce a detailed yet robust description of the epidemiologic transition in The Netherlands. METHODS National mortality data on sex, age, cause of death and calendar year (1875-1992) were extracted from official publications. For the entire period, 27 causes of death could be distinguished, while 65 causes (nested within the 27) could be studied f...

Journal: :BMJ 2006
Peter Tugwell Don de Savigny Gillian Hawker Vivian Robinson

Journal: :Journal of epidemiology and community health 1987
C Brisson D Loomis N Pearce

Social class standardisation has been proposed as a method for separating the effects of occupation and "social" or "lifestyle" factors in epidemiological studies, by comparing workers in a particular occupation with other workers in the same social class. The validity of this method rests upon two assumptions: (1) that social factors have the same effect in all occupational groups in the same ...

Journal: :BMC Veterinary Research 2007
Carri Westgarth Gina L Pinchbeck John WS Bradshaw Susan Dawson Rosalind M Gaskell Robert M Christley

BACKGROUND Dogs are popular pets in many countries. Identifying differences between those who own dogs or have contact with dogs, and those who do not, is useful to those interested in the human-animal bond, human health and for provision of veterinary services. This census-based, epidemiological study aimed to investigate factors associated with dog ownership and contact with dogs, in a semi-r...

Journal: :BMC Medical Research Methodology 2007
Jean-Paul Chretien Laura K Chu Tyler C Smith Besa Smith Margaret AK Ryan

BACKGROUND Often in survey research, subsets of the population invited to complete the survey do not respond in a timely manner and valuable resources are expended in recontact efforts. Various methods of improving response have been offered, such as reducing questionnaire length, offering incentives, and utilizing reminders; however, these methods can be costly. Utilizing characteristics of ea...

2014
Jorge Matías-Guiu Pedro Jesús Serrano-Castro José Ángel Mauri-Llerda Francisco José Hernández-Ramos Juan Carlos Sánchez-Alvarez Marisa Sanz

Descriptive epidemiology research involves collecting data from large numbers of subjects. Obtaining these data requires approaches designed to achieve maximum participation or response rates among respondents possessing the desired information. We analyze participation and response rates in a population-based epidemiological study though a telephone survey and identify factors implicated in co...

2016
Mohammadreza Sobhan Mahmood Farshchian Maryam Tamimi

BACKGROUND Autoimmune bullous diseases (ABDs) represent a group of rare, acquired disorders characterized by overlapping features with involvement of the skin and mucous membranes, resistance to treatment, and potential lethality that comprise pemphigus, bullous pemphigoid (BP), epidermolysis bullosa, dermatitis herpetiformis, and linear immunoglobulin A bullous dermatosis. AIM The main aim o...

Journal: :American journal of epidemiology 2007
June M Chan Furong Wang Elizabeth A Holly

Epidemiologic data suggest that consumption of whole-grain products may be inversely associated with risk of pancreatic cancer. Grain intake was examined in a population-based case-control study of pancreatic cancer in the San Francisco Bay Area (1995-1999). A 131-item semiquantitative food frequency questionnaire was administered to 532 cases and 1,701 controls. Odds ratios and 95% confidence ...

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