Affiliation: University of Bielefeld
- Assessment of radiofrequency exposure from cellular telephone daily use in an epidemiological study: German Validation study of the international case-control study of cancers of the brain--INTERPHONE-StudyGabriele Berg
Department of Epidemiology and Medical Statistics, School of Public Health, University of Bielefeld, Bielefeld, Germany
J Expo Anal Environ Epidemiol 15:217-24. 2005..The information was obtained using a questionnaire developed for the international case-control study on the risk of the use of mobile phones in tumours of the brain or salivary gland (INTERPHONE-study)...
- Methodological considerations concerning the development of oral dental erosion indexes: literature survey, validity and reliabilityGabriele Berg-Beckhoff
Faculty of Public Health, Dept Epidemiology and International Public Health, University of Bielefeld, POB 10 01 31, 33 501, Bielefeld, Germany
Clin Oral Investig 12:S51-8. 2008..However, these indexes are not comparable. This article discusses quality criteria which an index intended for assessing tooth erosion should possess...
- Occupational exposure to radio frequency/microwave radiation and the risk of brain tumors: Interphone Study Group, GermanyGabriele Berg
Department of Epidemiology and International Public Health, Faculty of Public Health, University of Bielefeld, Bielefeld, Germany
Am J Epidemiol 164:538-48. 2006..69, 2.13); for meningioma, it was 1.34 (95% confidence interval: 0.64, 2.81). However, the slight increase in risk observed with increasing duration of exposure merits further research with larger sample sizes...
- Determinants and stability over time of perception of health risks related to mobile phone base stationsBernd Kowall
Department of Epidemiology and International Public Health, Faculty of Public Health, University of Bielefeld, Germany
Int J Public Health 57:735-43. 2012..The aim of the present study is to assess whether risk perception of MPBS is associated with concerns about other environmental and health risks, is associated with psychological strain, and is stable on the individual level over time...
- History of allergic disease and epilepsy and risk of glioma and meningioma (INTERPHONE study group, Germany)Gabriele Berg-Beckhoff
Department of Epidemiology and International Public Health, School of Public Health, University of Bielefeld, Bielefeld, Germany
Eur J Epidemiol 24:433-40. 2009..In conclusion our study confirms previous findings of case control studies but not those from cohort studies. However, possible selection bias in case control studies might not explain the different results in its entirety...
- Feasibility of a cohort study on health risks caused by occupational exposure to radiofrequency electromagnetic fieldsJürgen Breckenkamp
Department of Epidemiology and International Public Health, Faculty of Health Sciences, Bielefeld University, Universitatsstrasse 25, 33615 Bielefeld, Germany
Environ Health 8:23. 2009..The aim of this study was to examine the feasibility of performing a cohort study on health risks from occupational exposure to radiofrequency electromagnetic fields (RF-EMF) in Germany...
- Validation of self-reported cellular phone useFlorence Samkange-Zeeb
School of Public Health, University of Bielefeld, Germany
J Expo Anal Environ Epidemiol 14:245-8. 2004..In epidemiological studies of cancer risk associated with the use of cellular telephones, the validity of self-reported cellular phone use has been problematic. Up to now there is very little information published on this subject...
- German wide cross sectional survey on health impacts of electromagnetic fields in the view of general practitionersBernd Kowall
Department of Epidemiology, School of Public Health, University of Bielefeld, Bielefeld, Germany
Int J Public Health 55:507-12. 2010..The proportion of general practitioners (GPs) in Germany who assume health impacts of electromagnetic fields (EMF) is assessed. Moreover, factors associated with this risk perception are examined...
- Biological effects on human health due to radiofrequency/microwave exposure: a synopsis of cohort studiesJürgen Breckenkamp
Faculty of Health Sciences Department 3 Epidemiology and Medical Statistics, University of Bielefeld, PO Box 10 01 31, 33501 Bielefeld, Germany
Radiat Environ Biophys 42:141-54. 2003..Due to these limitations and the inconsistencies of the results it has to be concluded that the studies give no evidence of high frequency emissions causing cancer...
- Predicting non-return to work in patients attending cardiac rehabilitationFlorence Samkange-Zeeb
School of Public Health, AF Rehabilitation, University of Bielefeld, 33501 Bielefeld, Germany
Int J Rehabil Res 29:43-9. 2006..Multiple regression analysis results showed that increased age, profession, positive expectations concerning RTW and level of depression were significant predictors of RTW. Gender and anxiety were not significant predictors...
- Radiofrequency electromagnetic fields emitted from base stations of DECT cordless phones and the risk of glioma and meningioma (Interphone Study Group, Germany)Joachim Schüz
Institute of Medical Biostatistics, Epidemiology, and Informatics, Johannes Gutenberg University of Mainz, D 55101 Mainz, Germany
Radiat Res 166:116-9. 2006..Although the study was limited due to the small number of exposed subjects, it is still a first indication that residential low-level exposure to RF EMFs may not pose a higher risk of brain tumors...
- Medical exposure to ionising radiation and the risk of brain tumours: Interphone study group, GermanyMaria Blettner
Institute of Medical Biostatistics, Epidemiology and Informatics, Johannes Gutenberg University of Mainz, Obere Zahlbacher Strasse 69, 55131 Mainz, Germany
Eur J Cancer 43:1990-8. 2007..The objective of this study was to investigate the association between medically or occupationally related exposure to ionising radiation and brain tumours...
- Cellular phones, cordless phones, and the risks of glioma and meningioma (Interphone Study Group, Germany)Joachim Schüz
Institute of Medical Biostatistics, Epidemiology and Informatics, Johannes Gutenberg University of Mainz, Mainz, Germany
Am J Epidemiol 163:512-20. 2006..In conclusion, no overall increased risk of glioma or meningioma was observed among these cellular phone users; however, for long-term cellular phone users, results need to be confirmed before firm conclusions can be drawn...
- Diversity and antagonistic potential of bacteria associated with bryophytes from nutrient-poor habitats of the Baltic Sea CoastKatja Opelt
Deaprtment of Microbiology, University of Rostock, Rostock, Germany
Appl Environ Microbiol 70:6569-79. 2004..g., for biological control of plant pathogens...
- Effects of site and plant species on rhizosphere community structure as revealed by molecular analysis of microbial guildsRodrigo Costa
Federal Biological Research Centre for Agriculture and Forestry, Braunschweig, Germany
FEMS Microbiol Ecol 56:236-49. 2006..and Rhizobium sp. were among the dominant ribotypes in the strawberry rhizosphere, while sequences from Arthrobacter sp. corresponded to dominant bands from oilseed rape bacterial fingerprints...
- High specificity but contrasting biodiversity of Sphagnum-associated bacterial and plant communities in bog ecosystems independent of the geographical regionKatja Opelt
Institute of Environmental Biotechnology, University of Technology Graz, Graz, Austria
ISME J 1:502-16. 2007..magellanicum-specific habitats for all six sites. The higher content of nutrients in the S. fallax-associated ecosystems can explain higher diversity of microorganisms...
- Burkholderia bryophila sp. nov. and Burkholderia megapolitana sp. nov., moss-associated species with antifungal and plant-growth-promoting propertiesPeter Vandamme
Laboratorium voor Microbiologie, Universiteit Gent, K L Ledeganckstraat 35, B 9000 Ghent, Belgium
Int J Syst Evol Microbiol 57:2228-35. 2007..All moss isolates of both novel species showed antifungal activity against phytopathogens as well as plant-growth-promoting properties...
- The INTERPHONE study: design, epidemiological methods, and description of the study populationElisabeth Cardis
International Agency for Research on Cancer, 150 cours Albert Thomas, 69372, Lyon, Cedex 08, France
Eur J Epidemiol 22:647-64. 2007..Particular attention was paid to estimating the amount and direction of potential recall and participation biases and their impact on the study results...
- The rhizosphere effect on bacteria antagonistic towards the pathogenic fungus Verticillium differs depending on plant species and siteGabriele Berg
Institute for Life Sciences, University of Rostock, Microbiology, Rostock, Germany
FEMS Microbiol Ecol 56:250-61. 2006..Antagonists of the genus Serratia were preferentially isolated from oilseed rape rhizosphere, with the exception of one site. For isolates of Pseudomonas and Serratia, plant-specific and site-specific genotypes were found...
- Cultivation-independent analysis of Pseudomonas species in soil and in the rhizosphere of field-grown Verticillium dahliae host plantsRodrigo Costa
Federal Biological Research Centre for Agriculture and Forestry BBA, Messeweg 11 12, D 38104 Braunschweig, Germany
Environ Microbiol 8:2136-49. 2006..This report provides a better understanding of how different factors drive Pseudomonas community structure and diversity in bulk and rhizosphere soils...