Joint modelling of repeated transitions in follow-up data--a case study on breast cancer dataB Genser
Clinical Institute of Medical and Chemical Laboratory Diagnostics, Medical University of Graz, Auenbruggerplatz 15, 8036 Graz, Austria
Biom J 47:388-401. 2005
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Effect of city-wide sanitation programme on reduction in rate of childhood diarrhoea in northeast Brazil: assessment by two cohort studiesMauricio L Barreto
Instituto De Saude Coletiva, Federal University of Bahia, Salvador, Brazil
Lancet 370:1622-8. 2007
..Our aim was to investigate the epidemiological effect of this city-wide sanitation programme on diarrhoea morbidity in children less than 3 years of age...
- Plant sterols and cardiovascular disease: a systematic review and meta-analysis
Bernd Genser
Mannheim Institute of Public Health, Social and Preventive Medicine, Medical Faculty Mannheim, University of Heidelberg, Heidelberg, Germany
Eur Heart J 33:444-51. 2012
..Our systematic review and meta-analysis did not reveal any evidence of an association between serum concentrations of plant sterols and risk of CVD...
- Sampling strategies to measure the prevalence of common recurrent infections in longitudinal studies
Wolf Peter Schmidt
Department of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, UK
Emerg Themes Epidemiol 7:5. 2010
..In contrast to incidence which usually requires continuous sampling, LP can be measured at intervals. This study explored how many more participants are needed for infrequent sampling to achieve the same study power as frequent sampling...
- Risk factors and immunological pathways for asthma and other allergic diseases in children: background and methodology of a longitudinal study in a large urban center in Northeastern Brazil (Salvador-SCAALA study)
Mauricio L Barreto
Instituto De Saude Coletiva, Universiade Federal de Bahia, Salvador, Brazil
BMC Pulm Med 6:15. 2006
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- Risk factors for asthma and allergy associated with urban migration: background and methodology of a cross-sectional study in Afro-Ecuadorian school children in Northeastern Ecuador (Esmeraldas-SCAALA Study)
Philip J Cooper
Instituto de Microbiologia, Universidad San Francisco de Quito, Quito, Ecuador
BMC Pulm Med 6:24. 2006
..Understanding better why the prevalence of asthma is greater in urban migrant populations and the role of risk factors such as life style and environmental exposures, may be key to understand what is behind this trend...
- Ecological study of socio-economic indicators and prevalence of asthma in schoolchildren in urban Brazil
Sergio Souza da Cunha
Instituto De Saude Coletiva, Universidade Federal de Bahia, Salvador, Brazil
BMC Public Health 7:205. 2007
..This study aimed to examine the relationship between estimates of asthma prevalence based on surveys conducted in children in Brazilian cities and health and socioeconomic indicators measured at the population level in the same cities...
- A guide to modern statistical analysis of immunological data
Bernd Genser
BMC Immunol 8:27. 2007
..CONCLUSION: This paper will help the immunologist to choose the correct statistical approach for a particular research question...
- Risk factors for childhood diarrhea incidence: dynamic analysis of a longitudinal study
Bernd Genser
Instituto De Saude Coletiva, Federal University of Bahia, Salvador, Brazil
Epidemiology 17:658-67. 2006
..However, most studies have neglected important dynamic features of the longitudinal design and hierarchical interrelationships among the potential risk factors...
Impact of a city-wide sanitation intervention in a large urban centre on social, environmental and behavioural determinants of childhood diarrhoea: analysis of two cohort studiesBernd Genser
Instituto De Saude Coletiva, Federal University of Bahia, Salvador, Brazil
Int J Epidemiol 37:831-40. 2008
..This article aims to explore how this intervention altered the magnitude of relative and attributable risks of diarrhoea determinants and the pathways by which those factors affect diarrhoea risk...
- Individual and contextual determinants of the duration of diarrhoeal episodes in preschool children: a longitudinal study in an urban setting
C A S T Santos
Instituto De Saude Coletiva, Federal University of Bahia, Salvador, Brazil
Epidemiol Infect 140:689-96. 2012
..Environmental conditions acted as a possible effect modifier, enhancing the effect on duration of diarrhoea of the child not having being vaccinated against measles or breastfed for >6 months...
- Estimating the longitudinal prevalence of diarrhea and other episodic diseases: continuous versus intermittent surveillance
Wolf Peter Schmidt
Infectious and Tropical Diseases Department, London School of Hygiene and Tropical Medicine, London, United Kingdom
Epidemiology 18:537-43. 2007
..The aim of this analysis was to compare estimates of longitudinal prevalence based on intermittent sampling at regular intervals with 24- or 48-hour recall, with estimates based on continuous surveillance...
- Low density lipoprotein cholesterol, statins and cardiovascular events: a meta-analysis
Bernd Genser
BGStats Consulting, Hochstrasse 7, 8071, Graz, Austria
Clin Res Cardiol 95:393-404. 2006
..We conclude that the extent to which statins lower LDL-C is strongly related to the improvement of clinical outcomes achieved by this class of drugs...
- Effect of BCG revaccination on incidence of tuberculosis in school-aged children in Brazil: the BCG-REVAC cluster-randomised trial
Laura C Rodrigues
London School of Hygiene and Tropical Medicine, London, UK
Lancet 366:1290-5. 2005
..Follow-up is ongoing and needed to assess the effect of other factors on revaccination efficacy: time since vaccination, age at vaccination, and high or low prevalence of environmental mycobacteria...
- Human cytomegalovirus load in various body fluids of congenitally infected newborns
Gabriele Halwachs-Baumann
Department of Clinical Chemistry and Laboratory Medicine, University Hospital Graz, Auenbruggerplatz 29, A 8036 Graz, Austria
J Clin Virol 25:S81-7. 2002
..Congenital human cytomegalovirus (hCMV) infection is the most common intrauterine viral disease in western countries. Little is known about hCMV virus load in various body fluids of congenitally infected children...
