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D-Index & Metrics

Social Sciences and Humanities

D-Index
60
Citations
13594
World Ranking
1469
National Ranking
700

Overview

Onyebuchi A. Arah is affiliated with the University of California, Los Angeles in the United States and has contributed extensively to the field of Medicine, with a particular focus on Public Health, Environmental and Occupational Health, Pediatrics, Perinatology and Child Health, Obstetrics and Gynecology, General Health Professions, as well as Statistics and Probability.

Their research spans multiple main topics including COVID-19 Impact on Reproduction, Obesity, Physical Activity, Diet, Birth, Development, and Health, Advanced Causal Inference Techniques, Pregnancy and Medication Impact, Health Systems, Economic Evaluations, Quality of Life, and Vaccine Coverage and Hesitancy.

Among their recent papers are the following:

  • Childhood overweight and obesity and timing of puberty in boys and girls: cohort and sibling-matched analyses (2020) published in International Journal of Epidemiology
  • Gestational Diabetes Mellitus and the Risks of Overall and Type-Specific Cardiovascular Diseases: A Population- and Sibling-Matched Cohort Study (2021) published in Diabetes Care
  • Maternal Plasma Perfluoroalkyl Substances and Miscarriage: A Nested Case-Control Study in the Danish National Birth Cohort (2020) published in Environmental Health Perspectives
  • Causal and Associational Language in Observational Health Research: A Systematic Evaluation (2022) published in American Journal of Epidemiology
  • Erratum to: Childhood overweight and obesity and timing of puberty in boys and girls: cohort and sibling-matched analyses (2021) published in International Journal of Epidemiology

Onyebuchi A. Arah frequently collaborates with several coauthors, reflecting a diverse and interdisciplinary approach to research. These coauthors include:

  • Annette K. Regan
  • Roch A. Nianogo
  • Cecilia Høst Ramlau-Hansen
  • Andreas Ernst
  • Beate Ritz

Their work is predominantly published in well-known academic venues such as:

  • International Journal of Epidemiology
  • American Journal of Epidemiology
  • Epidemiology
  • Scientific Reports
  • bioRxiv (Cold Spring Harbor Laboratory)

The research output shows a strong commitment to addressing complex health issues through cohort studies, nested case-control studies, and methodological evaluations, contributing data and analyses especially related to childhood health, pregnancy outcomes, and epidemiological methodology.

Best Publications

  • A conceptual framework for the OECD Health Care Quality Indicators Project.

    Onyebuchi A. Arah;Gert P. Westert;Jeremy Hurst;Niek S. Klazinga

  • Severe hypoglycaemia and cardiovascular disease: systematic review and meta-analysis with bias analysis.

    Atsushi Goto;Onyebuchi A Arah;Onyebuchi A Arah;Maki Goto;Yasuo Terauchi

  • Conceptual frameworks for health systems performance: a quest for effectiveness, quality, and improvement

    O. A. Arah;N. S. Klazinga;D. M. J. Delnoij;A. H. A. Ten Asbroek

  • A performance assessment framework for hospitals: the WHO regional office for Europe PATH project.

    Jeremy Veillard;F. Champagne;N. Klazinga;V. Kazandjian

  • Bias formulas for sensitivity analysis of unmeasured confounding for general outcomes, treatments, and confounders

    Tyler J. VanderWeele;Onyebuchi A. Arah

  • Maternal Diabetes During Pregnancy and Early Onset of Cardiovascular Disease in Offspring: Population Based Cohort Study With 40 Years of Follow Up

    Yongfu Yu;Onyebuchi A Arah;Zeyan Liew;Sven Cnattingius

  • A Systematic Review of the Impact of Physicians’ Occupational Well-Being on the Quality of Patient Care

    Renée A. Scheepers;Benjamin C. M. Boerebach;Onyebuchi A. Arah;Onyebuchi A. Arah;Maas Jan Heineman

  • Bias from conditioning on live birth in pregnancy cohorts: an illustration based on neurodevelopment in children after prenatal exposure to organic pollutants

    Zeyan Liew;Jørn Olsen;Xin Cui;Beate Ritz

  • Comparing Mortality of Peritoneal and Hemodialysis Patients in the First 2 Years of Dialysis Therapy: A Marginal Structural Model Analysis

    Lilia R. Lukowsky;Rajnish Mehrotra;Leeka Kheifets;Onyebuchi A. Arah;Onyebuchi A. Arah

  • Autism spectrum disorders and race, ethnicity, and nativity: a population-based study.

    Tracy A Becerra;Ondine S von Ehrenstein;Julia E Heck;Jorn Olsen

  • A systematic review of the effects of residency training on patient outcomes.

    Renée M van der Leeuw;Kiki M J M H Lombarts;Onyebuchi A Arah;Maas Jan Heineman

  • The effect of certification and accreditation on quality management in 4 clinical services in 73 European hospitals

    Charles D. Shaw;Oliver Groene;Daan Botje;Rosa Sunol

  • Parkinson disease and smoking revisited Ease of quitting is an early sign of the disease

    Beate Ritz;Pei-Chen Lee;Christina F. Lassen;Onyebuchi A. Arah

  • Agent-Based Modeling of Noncommunicable Diseases: A Systematic Review

    Roch A. Nianogo;Onyebuchi A. Arah

  • The role of causal reasoning in understanding Simpson's paradox, Lord's paradox, and the suppression effect: covariate selection in the analysis of observational studies

    Onyebuchi A Arah

  • Patterns and predictors of early mortality in incident hemodialysis patients: new insights.

    Lilia R. Lukowsky;Leeka Kheifets;Onyebuchi A. Arah;Allen R. Nissenson

  • Association of incident obstructive sleep apnoea with outcomes in a large cohort of US veterans

    Miklos Z Molnar;Istvan Mucsi;Marta Novak;Zoltan Szabo

  • Developing a national performance indicator framework for the Dutch health system

    A. H. A. ten Asbroek;O. A. Arah;J. Geelhoed;T. Custers

  • On the relationship between individual and population health

    Onyebuchi A. Arah;Onyebuchi A. Arah

  • Doctor performance assessment in daily practise: does it help doctors or not? A systematic review.

    Karlijn Overeem;Marjan J Faber;Onyebuchi A Arah;Onyebuchi A Arah;Glyn Elwyn;Glyn Elwyn

  • Bias from Conditioning on Live Birth in Pregnancy Cohorts: An Illustration Based on Neurodevelopment in Children after Prenatal Exposure to Organic Pollutants

    Zeyan Liew;Jørn Olsen;Beate Ritz;Onyebuchi Arah

Frequent Co-Authors

Niek S. Klazinga
Niek S. Klazinga University of Amsterdam
Karien Stronks
Karien Stronks University of Amsterdam
Beate Ritz
Beate Ritz University of California, Los Angeles
Anton E. Kunst
Anton E. Kunst University of Amsterdam
Nanna Lien
Nanna Lien University of Oslo
Albert J. J. A. Scherpbier
Albert J. J. A. Scherpbier Maastricht University
David C. Lye
David C. Lye Tan Tock Seng Hospital
Gert P. Westert
Gert P. Westert Radboud University
Holger Pfaff
Holger Pfaff University of Cologne
Cees P. M. van der Vleuten
Cees P. M. van der Vleuten Maastricht University

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