Jizzo R Bosdriesz

• PhD
• Epidemiologist at GGD Amsterdam

Source and contact tracing (SCT) is a core public health measure that is used to contain the spread of infectious diseases. It aims to identify a source of infection, and to advise those who have been exposed to this source. Due to the rapid increases in incidence of COVID-19 in the Netherlands, the capacity to conduct a full SCT quickly became ins...

Background The European Centre for Disease Prevention and Control provides listings of medical conditions conferring high- or moderate-risk for severe COVID-19. Additionally, individual European countries developed national risk classifications to guide COVID-19 vaccination recommendations. Methods This multi-country healthcare data-linkage study...

The Dutch government introduced the CoronaMelder smartphone application for digital contact tracing (DCT) to complement manual contact tracing (MCT) by Public Health Services (PHS) during the 2020–2022 SARS-CoV-2 epidemic. Modelling studies showed great potential but empirical evidence of DCT and MCT impact is scarce. We determined reasons for test...

Patients with chronic kidney disease (CKD) have high cardiovascular risk (CVR), which is often underestimated by conventional tools. The coronary artery calcium score (CACS) significantly improves CVR stratification by conventional tools, but it is often not available in low-resources settings. Aldosterone may be a cheaper alternative to CACS for C...

Background. The Dutch government introduced the CoronaMelder smartphone application for digital contact tracing (DCT) to complement manual contact tracing (MCT) by Public Health Services (PHS) during the 2020-2022 SARS-CoV-2 epidemic. Modelling studies showed great potential but empirical evidence of DCT and MCT impact is scarce. Methods. We determ...

Background Testing and Contact Tracing (TCT) was a core strategy in the fight against the spread of SARS-CoV-2. However, little is known about the real-world effectiveness of TCT for COVID-19. Because time is an important conditional factor, we aim to study timeliness of TCT in the Netherlands, and its determinants. Methods We used routine COVID-1...

Background: Worldwide, efforts are being made to stop the COVID-19 pandemic caused by SARS-CoV-2. Contact tracing and quarantining are key in limiting SARS-CoV-2 transmission. Mathematical models have shown that the time between infection, isolation of cases, and quarantining of contacts are the most important components that determine whether the...

Introduction Most COVID-19 symptoms are non-specific and also common in other respiratory infections. We aimed to assess which symptoms are most predictive of a positive test for SARS-CoV-2 in symptomatic people of the general population who were tested. Methods We used anonymised data of all SARS-CoV-2 test results from the Public Health Service...

BACKGROUND Worldwide, efforts are being made to stop the COVID-19 pandemic caused by SARS-CoV-2. Contact tracing and quarantining are key in limiting SARS-CoV-2 transmission. Mathematical models have shown that the time between symptom onset and isolation of cases and isolation of contacts are the most important components that determine whether th...

Background This article presents a summary of the 2017 Annual Report of the European Renal Association–European Dialysis and Transplant Association (ERA-EDTA) Registry and describes the epidemiology of renal replacement therapy (RRT) for end-stage renal disease (ESRD) in 37 countries. Methods The ERA-EDTA Registry received individual patient data...

In evidence based medicine, clinical research questions may be addressed by different study designs. This paper describes when RCTs are needed and when observational studies are more suitable. According to the Centre for Evidence‐Based Medicine, study designs can be divided into analytic and non‐analytic (descriptive) study designs. Analytic studie...

We examined the relative contribution of genetic, shared environmental and non‐shared environmental factors to the covariance between parental sensitivity and limit‐setting observed twice in a longitudinal study using a child‐based twin design. Parental sensitivity and parental limit‐setting were observed in 236 parents with each of their same‐sex...

To thrive as an individual and within society, children need to develop the ability to control their behavior. Using a twin design, we estimated the relative influence of genetic, shared, and unique environmental factors on hot and cool effortful control (EC). Furthermore, we investigated whether parental sensitivity in a play, task, or discipline...

Introduction Pictorial health warnings (PHW) can influence smoking cessation rates and precursors thereof. However, both the magnitude and duration of their impact, in national populations, remain uncertain because of limitations of the available data. In this study we used Google Trends data from six European countries to evaluate whether the impl...

Background and Aims The impact of tobacco control on European older adults has not been studied, despite evidence that smoking cessation at old age can bring significant life expectancy gains. Our aim was to evaluate the impact of tobacco control policies on smoking among older adults in Europe from 2004 to 2013. Design We used longitudinal data fr...

Temperament has been suggested to be influenced by genetic and environmental factors. The current study examined genetic shared environmental and unique environmental factors accounting for variation in Fear, Effortful Control (EC), and Frontal Asymmetry (FA) in 4- to 6-year-old children using bivariate behavioral genetic modeling. We included a to...

Objectives: This study aimed to examine the psychosocial health status of adult cochlear implant (CI) users, compared to that of hearing aid (HA) users, hearing-impaired adults without hearing aids, and normally hearing adults. Design: Cross-sectional observational study, using both self-reported survey data and a speech-in-noise test. Setting:...

Background It is uncertain whether tobacco control policies have contributed to a narrowing or widening of socioeconomic inequalities in smoking in European countries during the past two decades. This paper aims to investigate the impact of price and non-price related population-wide tobacco control policies on smoking by socioeconomic group in nin...

Background: Higher Tobacco Control Scale (TCS) scores, in the early 2000s were associated with higher smoking cessation rates across Europe, both among lower and higher educated people. We aimed to assess if this association held in recent years. Methods: Repeated cross-sectional Eurobarometer surveys were used, in 27 European countries from 200...

Background The impact of tobacco control policies on measures of smoking cessation behaviour has often been studied, yet there is little information on their precise magnitude and duration. This study aims to measure the magnitude and timing of the impact of Dutch tobacco control policies on the rate of searching for information on smoking cessatio...

Introduction: Electronic nicotine delivery systems (ENDS) are rapidly increasing in popularity. However, little is known about socio-demographic differences in use of ENDS. This study aims to assess the socio-demographic characteristics associated with ENDS ever-use and use as a cessation tool in the European Union. Methods: We analyzed data fro...

Objectives: The development of tobacco control policies varies across Europe. This paper assesses how variation in policy implementation among countries over time can be decomposed into specific components. Methods: We obtained original Tobacco Control Scale (TCS) scores of 2005, 2007, 2010 and 2013, from 27 EU member states. We recalculated the sc...

During the 1990s, inequalities in smoking prevalence by socioeconomic status (SES) have widened in Europe. Since then, many tobacco control policies have been implemented. Yet, European overviews of recent trends in smoking inequalities are lacking. This paper aims to provide an overview of long-term trends of socioeconomic inequalities in smoking...

Introduction: Tobacco control policies seemed to have failed to reduce socio-economic inequalities in smoking in the past. It has been argued that a comprehensive mix of policies is needed. Our aim was to assess whether tobacco control policy development in the Netherlands between 1988 and 2011 was associated with educational inequalities in smokin...

There has been much variation between European countries in the development of tobacco control policy. Not much is known about the factors that shape this variation. This study aimed to assess the role of political factors in tobacco control policy development. We used data from 11 European countries from 1996 to 2010. Multilevel regression modelli...

In Southern Europe, smoking among older women was more prevalent among the high educated than the lower educated, we call this a positive gradient. This is dominant in the early stages of the smoking epidemic model, later replaced by a negative gradient. The aim of this study is to assess if a positive gradient in smoking can also be observed in lo...

Smoking among migrants is known to differ from the host population, but migrants' smoking is rarely ever compared to the prevalence of smoking in their country of origin. The goal of this study is to compare the smoking prevalence among migrants to that of both the US-born population and the countries of origin. Further analyses assess the influenc...

Background As indicated by the ANGELO framework and similar models, various environmental factors influence population levels of physical activity (PA). To date attention has focused on the micro-level environment, while evidence on the macro-level environment remains scarce and mostly limited to high-income countries. This study aims to investigat...