OOIR: Observatory of International Research

Papers

(The H4-Index of International Journal of Epidemiology is 45. 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
Use of directed acyclic graphs (DAGs) to identify confounders in applied health research: review and recommendations	309
Characteristics and predictors of hospitalization and death in the first 11 122 cases with a positive RT-PCR test for SARS-CoV-2 in Denmark: a nationwide cohort	200
Quantifying impacts of the COVID-19 pandemic through life-expectancy losses: a population-level study of 29 countries	175
COVID-19 antibody seroprevalence in Santa Clara County, California	133
The use of two-sample methods for Mendelian randomization analyses on single large datasets	132
Excess mortality during the COVID-19 outbreak in Italy: a two-stage interrupted time-series analysis	116
The role of C-reactive protein as a prognostic marker in COVID-19	109
Interactions between SARS-CoV-2 and influenza, and the impact of coinfection on disease severity: a test-negative design	101
Cohort Profile: the China Multi-Ethnic Cohort (CMEC) study	98
Risk factors for positive and negative COVID-19 tests: a cautious and in-depth analysis of UK biobank data	90
Higher risk of dementia in English older individuals who are overweight or obese	86
Cohort Profile: 46 years of follow-up of the Northern Finland Birth Cohort 1966 (NFBC1966)	85
Childhood overweight and obesity and timing of puberty in boys and girls: cohort and sibling-matched analyses	84
Reflection on modern methods: demystifying robust standard errors for epidemiologists	79
Early prediction of mortality risk among patients with severe COVID-19, using machine learning	78
Social inequalities and COVID-19 mortality in the city of São Paulo, Brazil	77
Comparisons between countries are essential for the control of COVID-19	76
Cohort Profile Update: The HUNT Study, Norway	70
Cohort Profile Update: The Study of Health in Pomerania (SHIP)	70
Reflection on modern methods: when is a stepped-wedge cluster randomized trial a good study design choice?	64
Commentary: Developing best-practice guidelines for the reporting of E-values	64
Cohort Profile: The St. Jude Lifetime Cohort Study (SJLIFE) for paediatric cancer survivors	63
Cohort Profile Update: The Swiss HIV Cohort Study (SHCS)	62
Data Resource Profile: COVerAGE-DB: a global demographic database of COVID-19 cases and deaths	62
Reflection on modern methods: trial emulation in the presence of immortal-time bias. Assessing the benefit of major surgery for elderly lung cancer patients using observational data	61

Categories and health impacts of intimate partner violence in the World Health Organization multi-country study on women’s health and domestic violence	60
Bias in two-sample Mendelian randomization when using heritable covariable-adjusted summary associations	57
Antibody status and cumulative incidence of SARS-CoV-2 infection among adults in three regions of France following the first lockdown and associated risk factors: a multicohort study	55
The use of negative control outcomes in Mendelian randomization to detect potential population stratification	55
More green, less lonely? A longitudinal cohort study	53
Cohort Profile Update: Africa Centre Demographic Information System (ACDIS) and population-based HIV survey	51
Corrigendum to: Interrupted time series regression for the evaluation of public health interventions: a tutorial	51
The COVID-19 pandemic and the menstrual cycle: research gaps and opportunities	51
Religious-service attendance and subsequent health and well-being throughout adulthood: evidence from three prospective cohorts	49
Cohort Profile Update: Lifelines, a three-generation cohort study and biobank	48
Analyses of ‘change scores’ do not estimate causal effects in observational data	48
Ultra-processed food and risk of type 2 diabetes: a systematic review and meta-analysis of longitudinal studies	48
Reflection on modern methods: a common error in the segmented regression parameterization of interrupted time-series analyses	48
Cohort Profile: The Singapore Epidemiology of Eye Diseases study (SEED)	48
Seroprevalence of SARS-CoV-2 antibodies in over 6000 healthcare workers in Spain	47
Cancer cure for 32 cancer types: results from the EUROCARE-5 study	47
COVID-19 and the ‘rediscovery’ of health inequities	46
Association of maternal diabetes with neurodevelopmental disorders: autism spectrum disorders, attention-deficit/hyperactivity disorder and intellectual disability	46
Data Resource Profile: The Information System for Research in Primary Care (SIDIAP)	45
Development and validation of a prognostic model based on comorbidities to predict COVID-19 severity: a population-based study	45
Educational note: addressing special cases of bias that frequently occur in perinatal epidemiology	45