OOIR: Observatory of International Research

Papers

(The H4-Index of European Journal of Epidemiology is 39. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2020-03-01 to 2024-03-01.)

Article	Citations
Vaccine hesitancy: the next challenge in the fight against COVID-19	1209
Assessing the age specificity of infection fatality rates for COVID-19: systematic review, meta-analysis, and public policy implications	525
COVID-19 vaccine acceptance among pregnant women and mothers of young children: results of a survey in 16 countries	367
Vaccine confidence in the time of COVID-19	310
Mistrust in biomedical research and vaccine hesitancy: the forefront challenge in the battle against COVID-19 in Italy	308
Objectives, design and main findings until 2020 from the Rotterdam Study	298
‘Vaccine hesitancy’ among university students in Italy during the COVID-19 pandemic	297
Mendelian randomisation for mediation analysis: current methods and challenges for implementation	246
Anemia and iron metabolism in COVID-19: a systematic review and meta-analysis	235
Dynamic interventions to control COVID-19 pandemic: a multivariate prediction modelling study comparing 16 worldwide countries	193
Systemic inflammation markers and cancer incidence in the UK Biobank	149
Covid-19 epidemic in Italy: evolution, projections and impact of government measures	149
Sugar and artificially sweetened beverages and risk of obesity, type 2 diabetes mellitus, hypertension, and all-cause mortality: a dose–response meta-analysis of prospective cohort studies	141
Consumption of red meat and processed meat and cancer incidence: a systematic review and meta-analysis of prospective studies	131
Global, regional and time-trend prevalence of central obesity: a systematic review and meta-analysis of 13.2 million subjects	106
Identifying typical trajectories in longitudinal data: modelling strategies and interpretations	103
Risk factors for COVID-19 diagnosis, hospitalization, and subsequent all-cause mortality in Sweden: a nationwide study	96
Long-term strategies to control COVID-19 in low and middle-income countries: an options overview of community-based, non-pharmacological interventions	89
How to detect and reduce potential sources of biases in studies of SARS-CoV-2 and COVID-19	86
COVID-19 mortality in the UK Biobank cohort: revisiting and evaluating risk factors	80
The LifeCycle Project-EU Child Cohort Network: a federated analysis infrastructure and harmonized data of more than 250,000 children and parents	79
Increases in COVID-19 are unrelated to levels of vaccination across 68 countries and 2947 counties in the United States	71
Over- and under-estimation of COVID-19 deaths	60
Birth prevalence of congenital heart disease in China, 1980–2019: a systematic review and meta-analysis of 617 studies	59
Are Mendelian randomization investigations immune from bias due to reverse causation?	57

A case study in model failure? COVID-19 daily deaths and ICU bed utilisation predictions in New York state	55
Ethnic differences in COVID-19 mortality during the first two waves of the Coronavirus Pandemic: a nationwide cohort study of 29 million adults in England	53
Evidence of early circulation of SARS-CoV-2 in France: findings from the population-based “CONSTANCES” cohort	53
Lifestyle and metabolic factors for nonalcoholic fatty liver disease: Mendelian randomization study	52
Data extraction for epidemiological research (DExtER): a novel tool for automated clinical epidemiology studies	50
Assessing causality in epidemiology: revisiting Bradford Hill to incorporate developments in causal thinking	49
Prediction meets causal inference: the role of treatment in clinical prediction models	49
Excess risk and clusters of symptoms after COVID-19 in a large Norwegian cohort	48
The Swedish medical birth register during five decades: documentation of the content and quality of the register	48
Influence of periodontal disease on risk of dementia: a systematic literature review and a meta-analysis	47
Applying the exposome concept in birth cohort research: a review of statistical approaches	46
The Malmö Offspring Study (MOS): design, methods and first results	41
Thyroid function, sex hormones and sexual function: a Mendelian randomization study	40
The Dementias Platform UK (DPUK) Data Portal	39