What physical activity surveillance needs: validity of a single-item questionnaire (Publications)
BACKGROUND: Self-report instruments to assess physical activity are still the most feasible option in many population-wide surveys, and often need to be very short owing to resource constraints. The a
Natural-cause mortality and long-term exposure to particle components: an analysis of 19 European cohorts within the multi-center ESCAPE project (Publications)
BACKGROUND: Studies have shown associations between mortality and long-term exposure to particulate matter air pollution. Few cohort studies have estimated the effects of the elemental composition of
The association between road traffic noise exposure, annoyance and health-related quality of life (HRQOL) (Publications)
The aim of this study is to investigate the relationships between road traffic noise exposure, annoyance caused by different noise sources and validated health indicators in a cohort of 1375 adults fr
Transportation noise and blood pressure in a population-based sample of adults (Publications)
Background: There is some evidence for an association between traffic noise and ischemic heart disease, however associations with blood pressure have been inconsistent and little is known about health
Current allergic asthma and rhinitis: diagnostic efficiency of three commonly used atopic markers (IgE, skin prick tests, and Phadiatop). Results from... (Publications)
Total serum IgE, Phadiatop, and the skin prick test (SPT) are commonly used to diagnose atopic diseases. However, no large study has ever been done to test their diagnostic efficiency. We studied the
Is diabetes a risk factor for a severe clinical presentation of dengue? Review and meta-analysis (Publications)
BACKGROUND: The mean age of acute dengue has undergone a shift towards older ages. This fact points towards the relevance of assessing the influence of age-related comorbidities, such as diabetes, on
Predictive value of clinical and laboratory features for the main febrile diseases in children living in Tanzania: a prospective observational study (Publications)
BACKGROUND: To construct evidence-based guidelines for management of febrile illness, it is essential to identify clinical predictors for the main causes of fever, either to diagnose the disease when
Single-dose hepatitis A immunization: 7.5-year observational pilot study in Nicaraguan children to assess protective effectiveness and humoral immune... (Publications)
BACKGROUND: Universal 2-dose hepatitis A virus (HAV) vaccination of toddlers effectively controls hepatitis A. High vaccine costs, however, impede implementation in endemic countries. To test single-d
The influence of HIV on the evolution of <em>Mycobacterium tuberculosis</em> (Publications)
HIV significantly affects the immunological environment during tuberculosis co-infection, and therefore may influence the selective landscape upon which M. tuberculosis evolves. To test this hypothesi