OOIR: Observatory of International Research

Papers

(The H4-Index of International Journal of Epidemiology is 41. 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 2020-11-01 to 2024-11-01.)

Article	Citations
Use of directed acyclic graphs (DAGs) to identify confounders in applied health research: review and recommendations	412
Quantifying impacts of the COVID-19 pandemic through life-expectancy losses: a population-level study of 29 countries	211
The use of two-sample methods for Mendelian randomization analyses on single large datasets	181
COVID-19 antibody seroprevalence in Santa Clara County, California	140
Interactions between SARS-CoV-2 and influenza, and the impact of coinfection on disease severity: a test-negative design	124
The role of C-reactive protein as a prognostic marker in COVID-19	124
Cohort Profile Update: The HUNT Study, Norway	119
Cohort Profile: the China Multi-Ethnic Cohort (CMEC) study	116
Cohort Profile: 46 years of follow-up of the Northern Finland Birth Cohort 1966 (NFBC1966)	113
Reflection on modern methods: demystifying robust standard errors for epidemiologists	105
Cohort Profile Update: The Study of Health in Pomerania (SHIP)	95
Cohort Profile: The St. Jude Lifetime Cohort Study (SJLIFE) for paediatric cancer survivors	88
Social inequalities and COVID-19 mortality in the city of São Paulo, Brazil	86
Categories and health impacts of intimate partner violence in the World Health Organization multi-country study on women’s health and domestic violence	86
Cohort Profile Update: Lifelines, a three-generation cohort study and biobank	79
Cohort Profile Update: The Swiss HIV Cohort Study (SHCS)	79
Bias in two-sample Mendelian randomization when using heritable covariable-adjusted summary associations	72
Cohort Profile Update: Africa Centre Demographic Information System (ACDIS) and population-based HIV survey	71
Ultra-processed food and risk of type 2 diabetes: a systematic review and meta-analysis of longitudinal studies	69
Data Resource Profile: COVerAGE-DB: a global demographic database of COVID-19 cases and deaths	68
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	68
More green, less lonely? A longitudinal cohort study	68
The use of negative control outcomes in Mendelian randomization to detect potential population stratification	67
Analyses of ‘change scores’ do not estimate causal effects in observational data	65
Systemic inflammatory regulators and risk of Alzheimer’s disease: a bidirectional Mendelian-randomization study	64

The COVID-19 pandemic and the menstrual cycle: research gaps and opportunities	61
Cohort Profile: The Longitudinal Ageing Study in India (LASI)	60
Data Resource Profile: The Information System for Research in Primary Care (SIDIAP)	59
Association of maternal diabetes with neurodevelopmental disorders: autism spectrum disorders, attention-deficit/hyperactivity disorder and intellectual disability	56
Ambient air pollution, healthy diet and vegetable intakes, and mortality: a prospective UK Biobank study	55
Cohort Profile: The Singapore Epidemiology of Eye Diseases study (SEED)	55
Global trend of aetiology-based primary liver cancer incidence from 1990 to 2030: a modelling study	53
Ultra-processed food consumption and the risk of non-alcoholic fatty liver disease in the Tianjin Chronic Low-grade Systemic Inflammation and Health Cohort Study	50
Educational note: addressing special cases of bias that frequently occur in perinatal epidemiology	50
Trans-ethnic Mendelian-randomization study reveals causal relationships between cardiometabolic factors and chronic kidney disease	48
Seroprevalence of SARS-CoV-2 antibodies in over 6000 healthcare workers in Spain	47
Vitamin D deficiency and C-reactive protein: a bidirectional Mendelian randomization study	46
Development and validation of a prognostic model based on comorbidities to predict COVID-19 severity: a population-based study	45
Coffee and tea consumption and mortality from all causes, cardiovascular disease and cancer: a pooled analysis of prospective studies from the Asia Cohort Consortium	44
Prospective evaluation of a breast-cancer risk model integrating classical risk factors and polygenic risk in 15 cohorts from six countries	43
Parental income and mental disorders in children and adolescents: prospective register-based study	43
Estimands in cluster-randomized trials: choosing analyses that answer the right question	41