Onyebuchi A. Arah

ORCID: 0000-0002-9067-1697
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About
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Research Areas
  • Innovations in Medical Education
  • Health Systems, Economic Evaluations, Quality of Life
  • Healthcare Policy and Management
  • Patient Satisfaction in Healthcare
  • Birth, Development, and Health
  • Healthcare Quality and Management
  • Obesity, Physical Activity, Diet
  • Clinical Reasoning and Diagnostic Skills
  • Radiology practices and education
  • Health disparities and outcomes
  • Advanced Causal Inference Techniques
  • Dialysis and Renal Disease Management
  • Primary Care and Health Outcomes
  • Clinical practice guidelines implementation
  • Global Health Care Issues
  • Gestational Diabetes Research and Management
  • Air Quality and Health Impacts
  • Pregnancy and preeclampsia studies
  • Medical Malpractice and Liability Issues
  • Workplace Health and Well-being
  • COVID-19 Impact on Reproduction
  • Healthcare professionals’ stress and burnout
  • Patient-Provider Communication in Healthcare
  • Pregnancy and Medication Impact
  • Obesity and Health Practices

University of California, Los Angeles
2016-2025

Aarhus University
2016-2025

Physical Sciences (United States)
2022-2025

UCLA Health
2013-2025

Fielding Graduate University
2013-2025

University of San Francisco
2025

Monash University
2025

Practical Action
2025

Nature Inspires Creativity Engineers Lab
2025

University of Amsterdam
2012-2024

The Health Care Quality Indicator (HCQI) Project of the Organization for Economic Cooperation and Development (OECD), which is aimed at developing a set indicators comparing quality health care across OECD member countries, requires balanced conceptual framework that outlines main concepts domains performance should be captured current subsequent phases project.This article develops OECD's HCQI Project. It first argues such start by addressing question, 'performance what-and to what ends?'...

10.1093/intqhc/mzl024 article EN International Journal for Quality in Health Care 2006-09-01

Uncontrolled confounding in observational studies gives rise to biased effect estimates. Sensitivity analysis techniques can be useful assessing the magnitude of these biases. In this paper, we use potential outcomes framework derive a general class sensitivity-analysis formulas for outcomes, treatments, and measured unmeasured variables that may categorical or continuous. We give results additive, risk-ratio odds-ratio scales. show encompass number more specific methods statistics...

10.1097/ede.0b013e3181f74493 article EN Epidemiology 2010-11-04

Differences in health outcomes across racial groups are among the most commonly reported findings disparities research. Often, these studies do not explicitly connect observed to mechanisms of systemic racism that drive adverse racialized and other marginalized United States. Without this connection, investigators inadvertently support harmful narratives biologic essentialism or cultural inferiority pathologize identities inhibit equity. This paper outlines pitfalls conceptualization,...

10.1370/afm.2792 article EN The Annals of Family Medicine 2022-01-19

Abstract Objective To evaluate the associations between maternal diabetes diagnosed before or during pregnancy and early onset cardiovascular disease (CVD) in offspring their first four decades of life. Design Population based cohort study. Setting Danish national health registries. Participants All 2 432 000 liveborn children without congenital heart Denmark 1977-2016. Follow-up began at birth continued until time diagnosis CVD, death, emigration, 31 December 2016, whichever came first....

10.1136/bmj.l6398 article EN cc-by-nc BMJ 2019-12-04

Objective. The World Health Organization (WHO) Regional Office for Europe launched in 2003 a project aiming to develop and disseminate flexible comprehensive tool the assessment of hospital performance referred as quality improvement hospitals (PATH). This aims at supporting assessing their performance, questioning own results, translating them into actions improvement, by providing with tools enabling collegial support networking among participating hospitals.

10.1093/intqhc/mzi072 article EN International Journal for Quality in Health Care 2005-09-09

OBJECTIVE: Our understanding of the influence maternal race/ethnicity and nativity childhood autistic disorder (AD) in African Americans/blacks, Asians, Hispanics United States is limited. Phenotypic differences presentation AD minority groups may indicate etiologic heterogeneity or different thresholds for diagnosis. We investigated whether risk developing phenotypes differed according to nativity. METHODS: Children born Los Angeles County with a primary diagnosis at ages 3 5 years during...

10.1542/peds.2013-3928 article EN PEDIATRICS 2014-06-24

Summary Background and objectives There are conflicting research results about the survival differences between hemodialysis peritoneal dialysis, especially during first 2 years of dialysis treatment. Given challenges conducting randomized trials, differential rates modality switch transplantation, time-varying confounding in cohort data treatment, use novel analytical techniques observational cohorts can help examine versus discrepancy. Design, setting, participants, & measurements This...

10.2215/cjn.04810512 article EN Clinical Journal of the American Society of Nephrology 2013-01-11

To assess whether being able to quit smoking is an early marker of Parkinson disease (PD) onset rather than tobacco "neuroprotective," we analyzed information about ease quitting and nicotine substitute use.For this case-control study, identified 1,808 patients with PD diagnosed between 1996 2009 from Danish registries, matched 1,876 population controls on sex year birth, collected lifestyle information. We estimated odds ratios 95% confidence intervals logistic regression adjusting for...

10.1212/wnl.0000000000000879 article EN Neurology 2014-09-13

<h3>Rationale</h3> There is a paucity of large cohort studies examining the association obstructive sleep apnoea (OSA) with clinical outcomes including all-cause mortality, coronary heart disease (CHD), strokes and chronic kidney (CKD). <h3>Objectives</h3> We hypothesised that diagnosis incident OSA associated higher risks these adverse outcomes. <h3>Methods, measurements</h3> In nationally representative over 3 million (n=3 079 514) US veterans (93% male) baseline estimated glomerular...

10.1136/thoraxjnl-2015-206970 article EN Thorax 2015-06-02

To investigate the relationship between ISO 9001 certification, healthcare accreditation and quality management in European hospitals. A mixed method multi-level cross-sectional design seven countries. External teams assessed clinical services on use of systems, illustrated by four pathways. Seventy-three acute care hospitals with a total 291 managing myocardial infarction (AMI), hip fracture, stroke obstetric deliveries, Czech Republic, France, Germany, Poland, Portugal, Spain Turkey. Four...

10.1093/intqhc/mzu023 article EN cc-by International Journal for Quality in Health Care 2014-03-09

Abstract Background Early puberty is a risk indicator for adult diseases. Identification of modifiable causes earlier is, therefore, warranted. We estimate the association between childhood body mass index (BMI) and pubertal timing in cohort study sibling-matched to adjust unobserved time-stable confounders shared within families. Methods For study, 11 046 22 439 (49%) invited children, born 2000–203, from Danish National Birth Cohort (DNBC) had information on BMI at 7 years self-reported,...

10.1093/ije/dyaa056 article EN cc-by-nc International Journal of Epidemiology 2020-03-24

Incident hemodialysis patients have the highest mortality in first several months after starting dialysis treatments. We hypothesized that patterns and risk factors associated with this early differ from those later therapy periods.

10.1159/000338673 article EN American Journal of Nephrology 2012-01-01

To investigate the association between food insecurity and intimate partner violence in a population-based sample of heterosexual women.

10.1017/s1368980015001986 article EN Public Health Nutrition 2015-06-22

Home dialysis, which comprises peritoneal dialysis (PD) or home hemodialysis (home HD), offers patients with ESRD greater flexibility and independence. Although disproportionately affects racial/ethnic minorities, data on disparities in use outcomes are sparse. We analyzed of who initiated maintenance between 2007 2011 were admitted to any 2217 facilities 43 states operated by a single large organization, follow-up through December 31, (n =: 162,050, 17,791 underwent PD 2536 HD for ≥91...

10.1681/asn.2015050472 article EN Journal of the American Society of Nephrology 2015-12-10

Previous studies suggested that air pollutants may increase the incidence of metabolic syndrome, but potential impact from traffic sources is not well-understood. This study aimed to investigate associations between traffic-related nitrogen oxides (NOx) or noise pollution and risk incident syndrome its components in an elderly Mexican-American population. A total 1,554 participants Sacramento Area Latino Study on Aging (SALSA) cohort were followed 1998 2007. We used anthropometric measures...

10.1016/j.envint.2019.105269 article EN cc-by-nc-nd Environment International 2019-11-25

Abstract We estimated the degree to which language used in high-profile medical/public health/epidemiology literature implied causality using linking exposures outcomes and action recommendations; examined disconnects between identified most common phrases; how strongly phrases imply causality. searched for screened 1,170 articles from 18 journals (65 per journal) published 2010–2019. Based on written framing systematic guidance, 3 reviewers rated of abstracts full text exposure/outcome...

10.1093/aje/kwac137 article EN American Journal of Epidemiology 2022-08-04

Background Obesity is a major public health problem affecting millions of Americans and considered one the most potent risk factors for type 2 diabetes. Assessing future disease burden important informing policy-decision making population healthcare. Objective The aim this study was to develop computer model cohort children born in Los Angeles County life course incidence trends obesity its effect on diabetes mellitus. Methods We built Virtual cohort—ViLA, an agent-based calibrated County....

10.3389/fpubh.2022.818816 article EN cc-by Frontiers in Public Health 2022-04-05
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