Onyebuchi Arah, M.D., D.Sc., Ph.D., M.P.H.

A Short Biography:

Dr. Arah is a Professor at the Department of Epidemiology, UCLA Fielding School of Public Health. He has served as the Chair of the International Health Committee, Director of the Center for Global and Immigrant Health, and the founding Associate Dean for Global Health at the UCLA Fielding School of Public Health. An African-born physician trained at the University College Hospital, Ibadan and University of Ibadan in Nigeria, he received his MSc and DSc, and MPH degrees from Erasmus University Rotterdam, and a PhD degree from the Faculty of Medicine of the University of Amsterdam in the Netherlands. He is formally trained in public health epidemiology, health services, health policy, social epidemiology and advanced quantitative methodology. He has won several awards, including a Netherlands Postgraduate Fellowship in Medicine and Health Sciences, the Council of Science Editors’ Award for “Outstanding Contribution to Global Health Policy and Practice” which was hosted by National Institutes of Health, and the Young Scholar Award of the European Society for Philosophy, Medicine and Health Care. He has also received two internationally reviewed career development awards from the Dutch Government. He currently has an adjunct appointment at the Academic Medical Center of the University of Amsterdam. In addition to serving on the editorial boards of epidemiology, health services and global health journals, he regularly reviews manuscripts for biostatistics, epidemiology, general medicine, and public health journals.

Work Titles
UCLA Professor, Epidemiology
Education:
Degrees:
M.D.
M.S.
D.Sc.
Ph.D.
M.P.H.

Contact Information:

Email Address:

arah@ucla.edu


Website:

PubMed Publications

Fax Number:

(310) 206-6039

Work Phone Number:

(310) 206-0050

Mailing Address:

650 Charles E. Young Drive South
Box 951772
71-236B CHS
Los Angeles, CA 90095


Detailed Biography:

Onyebuchi A. Arah is a Center faculty associate, a professor in the UCLA Fielding School of Public Health and an expert on epidemiologic methodology and global causes and consequences of health, non-communicable diseases, and health care. He was the associate dean for global health at The Fielding School.

Arah's background in epidemiologic methodology, statistical epidemiology, causal modeling, and global social epidemiology has enabled him to conduct evidence-based research on topics ranging from the contextual determinants of non-communicable diseases, to the measurement of health care performance and quality of care in differing countries, to the role of health systems in global health, and to comparative effectiveness of clinical and public health interventions.

Arah has conducted hierarchical modeling of hospital survey and discharge data on patient experiences and outcomes and performed assessments of physician, hospitals and healthcare systems. He is also currently using innovative pooling and standardization of data on individuals from dozens of countries from all regions of the world to quantify the effects of national context and policies on individual health and healthcare in diabetes, depression, heart disease, asthma, and arthritis.

Prior to joining UCLA, Arah was on the faculty of the Academic Medical Center of the University of Amsterdam in the Netherlands where he was an assistant professor. He also held an adjunct appointment as a senior research fellow at the National Institute for Public Health and the Environment where he led the development of the health system performance assessment framework for the Netherlands. He was also a founding member of the scientific committee responsible for biennially reporting on Dutch healthcare performance to the Dutch Parliament. Arah also developed the health system performance assessment framework currently used by the Organization for Economic Cooperation and Development (OECD). From 2006-2007, he was a visiting assistant professor at the Department of Epidemiology at UCLA.

Arah has won several awards, including a Netherlands postgraduate fellowship in medicine and health sciences, the Council of Science Editors and National Institutes of Health Award for "Outstanding Contribution to Global Health Policy and Practice," and the 2007 Young Scholar Award of the European Society for Philosophy, Medicine and Health Care. He is a recipient of internationally reviewed career development grants. The Netherlands government, European Commission, and National Institutes of Health fund his work.

Arah received his PhD from the University of Amsterdam and MPH, DSc and MSc degrees from Erasmus University Rotterdam in the Netherlands. He received his MD degree from the University of Ibadan in Nigeria.

Publications:

Sudan Madhuri, Kheifets Leeka, Arah Onyebuchi A, Olsen Jorn   Cell phone exposures and hearing loss in children in the danish national birth cohort Paediatric and perinatal epidemiology, 2013; 27(3): 247-57.
Lukowsky Lilia R, Mehrotra Rajnish, Kheifets Leeka, Arah Onyebuchi A, Nissenson Allen R, Kalantar-Zadeh Kamyar   Comparing Mortality of Peritoneal and Hemodialysis Patients in the First 2 Years of Dialysis Therapy: A Marginal Structural Model Analysis Clinical journal of the American Society of Nephrology : CJASN, 2013; 8(4): 619-628.
Witvliet Margot I, Arah Onyebuchi A, Stronks Karien, Kunst Anton E   Examining self-rated health of young Central and Eastern Europeans in the context of other world regions European journal of public health, 2013; 8(4): .
Arah Onyebuchi A, Sudan Madhuri, Olsen Jørn, Kheifets Leeka   Marginal structural models, doubly robust estimation, and bias analysis in perinatal and paediatric epidemiology Paediatric and perinatal epidemiology, 2013; 27(3): 263-5.
van der Leeuw Renée M, Lombarts Kiki M J M H, Arah Onyebuchi A, Heineman Maas Jan   A systematic review of the effects of residency training on patient outcomes BMC medicine, 2012; 10(4): 65.
Miller Jessica E, Molnar Miklos Z, Kovesdy Csaba P, Zaritsky Joshua J, Streja Elani, Salusky Isidro, Arah Onyebuchi A, Kalantar-Zadeh Kamyar   Administered paricalcitol dose and survival in hemodialysis patients: A marginal structural model analysis Pharmacoepidemiology and drug safety, 2012; .
Chow Angela, Arah Onyebuchi A, Chan Siew-Pang, Poh Bee-Fong, Krishnan Prabha, Ng Woei-Kian, Choudhury Saugata, Chan Joey, Ang Brenda   Alcohol handrubbing and chlorhexidine handwashing protocols for routine hospital practice: a randomized clinical trial of protocol efficacy and time effectiveness American journal of infection control, 2012; 40(9): 800-5.
Witvliet Margot I, Kunst Anton E, Stronks Karien, Arah Onyebuchi A   Assessing where vulnerable groups fare worst: a global multilevel analysis on the impact of welfare regimes on disability across different socioeconomic groups Journal of epidemiology and community health, 2012; 66(9): 775-81.
van der Veer Sabine N, Jager Kitty J, Visserman Ella, Beekman Robert J, Boeschoten Els W, de Keizer Nicolette F, Heuveling Lara, Stronks Karien, Arah Onyebuchi A   Development and validation of the Consumer Quality index instrument to measure the experience and priority of chronic dialysis patients Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association, 2012; 27(8): 3284-91.
Overeem Karlijn, Wollersheim Hub C, Arah Onyebuchi A, Cruijsberg Juliette K, Grol Richard P T M, Lombarts Kiki M J M H   Evaluation of physicians' professional performance: an iterative development and validation study of multisource feedback instruments BMC health services research, 2012; 12(4): 80.
van der Veer Sabine N, Arah Onyebuchi A, Visserman Ella, Bart Hans A J, de Keizer Nicolette F, Abu-Hanna Ameen, Heuveling Lara M, Stronks Karien, Jager Kitty J   Exploring the relationships between patient characteristics and their dialysis care experience Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association, 2012; 27(11): 4188-96.
Arah Onyebuchi A, Heineman Maas J, Lombarts Kiki M J M H   Factors influencing residents' evaluations of clinical faculty member teaching qualities and role model status Medical education, 2012; 46(4): 381-9.
Overeem Karlijn, Wollersheimh Hub C, Arah Onyebuchi A, Cruijsberg Juliette K, Grol Richard Ptm, Lombarts Kiki Mjmh   Factors predicting doctors' reporting of performance change in response to multisource feedback BMC medical education, 2012; 12(8): 52.
Lukowsky Lilia R, Kheifets Leeka, Arah Onyebuchi A, Nissenson Allen R, Kalantar-Zadeh Kamyar   Patterns and predictors of early mortality in incident hemodialysis patients: new insights American journal of nephrology, 2012; 35(6): 548-58.
Lauriks Steve, Buster Marcel Ca, de Wit Matty As, Arah Onyebuchi A, Klazinga Niek S   Performance indicators for public mental healthcare: a systematic international inventory BMC public health, 2012; 12(4): 214.
Boerebach Benjamin C M, Arah Onyebuchi A, Busch Olivier R C, Lombarts Kiki M J M H   Reliable and valid tools for measuring surgeons' teaching performance: residents' vs. self evaluation Journal of surgical education, 2012; 69(4): 511-20.
Boerebach Benjamin C M, Lombarts Kiki M J M H, Keijzer Christiaan, Heineman Maas Jan, Arah Onyebuchi A   The teacher, the physician and the person: how faculty's teaching performance influences their role modelling PloS one, 2012; 7(3): e32089.
Witvliet Margot I, Kunst Anton E, Stronks Karien, Arah Onyebuchi A   Variations between world regions in individual health: a multilevel analysis of the role of socio-economic factors European journal of public health, 2012; 22(2): 284-9.
Ogbu Uzor C, Westert Gert P, Slobbe Laurentius C J, Stronks Karien, Arah Onyebuchi A   A multifaceted look at time of admission and its impact on case-fatality among a cohort of ischaemic stroke patients Journal of neurology, neurosurgery, and psychiatry, 2011; 82(1): 8-13.
Arah Onyebuchi A, Roset Bastiaan, Delnoij Diana M J, Klazinga Niek S, Stronks Karien   Associations between technical quality of diabetes care and patient experience Health expectations : an international journal of public participation in health care and health policy, 2011; 7(3): .
Vanderweele Tyler J, Arah Onyebuchi A   Bias formulas for sensitivity analysis of unmeasured confounding for general outcomes, treatments, and confounders Epidemiology (Cambridge, Mass.), 2011; 22(1): 42-52.
Arah Onyebuchi A, Hoekstra Joost B L, Bos Albert P, Lombarts Kiki M J M H   New tools for systematic evaluation of teaching qualities of medical faculty: results of an ongoing multi-center survey PloS one, 2011; 6(10): e25983.
Ricks Joni, Molnar Miklos Z, Kovesdy Csaba P, Kopple Joel D, Norris Keith C, Mehrotra Rajnish, Nissenson Allen R, Arah Onyebuchi A, Greenland Sander, Kalantar-Zadeh Kamyar   Racial and ethnic differences in the association of body mass index and survival in maintenance hemodialysis patients American journal of kidney diseases : the official journal of the National Kidney Foundation, 2011; 58(4): 574-82.
van der Leeuw Renée, Lombarts Kiki, Heineman Maas Jan, Arah Onyebuchi   Systematic evaluation of the teaching qualities of Obstetrics and Gynecology faculty: reliability and validity of the SETQ tools PloS one, 2011; 6(5): e19142.
Lombarts Kiki M J M H, Heineman Maas Jan, Arah Onyebuchi A   Good clinical teachers likely to be specialist role models: results from a multicenter cross-sectional survey PloS one, 2010; 5(12): e15202.
Ogbu Uzor C, Slobbe Laurentius C J, Arah Onyebuchi A, de Bruin Agnes, Stronks Karien, Westert Gert P   Hospital stroke volume and case-fatality revisited Medical care, 2010; 48(2): 149-56.
Groene Oliver, Klazinga Niek, Wagner Cordula, Arah Onyebuchi A, Thompson Andrew, Bruneau Charles, Suñol Rosa, Suñol Rosa   Investigating organizational quality improvement systems, patient empowerment, organizational culture, professional involvement and the quality of care in European hospitals: the 'Deepening our Understanding of Quality Improvement in Europe (DUQuE)' project BMC health services research, 2010; 10(12): 281.
Martirosyan Liana, Arah Onyebuchi A, Haaijer-Ruskamp Flora M, Braspenning Jozé, Denig Petra   Methods to identify the target population: implications for prescribing quality indicators BMC health services research, 2010; 10(12): 137.
Overeem Karlijn, Driessen Erik W, Arah Onyebuchi A, Lombarts Kiki M J M H, Wollersheim Hub C, Grol Richard P T M   Peer mentoring in doctor performance assessment: strategies, obstacles and benefits Medical education, 2010; 44(2): 140-7.
Lombarts M J M H Kiki, Arah Onyebuchi A, Busch Olivier R C, Heineman Maas Jan   [Using the SETQ system to evaluate and improve teaching qualities of clinical teachers] Nederlands tijdschrift voor geneeskunde, 2010; 154(2): A1222.
Lombarts Kiki M J M H, Bucx Martin J L, Arah Onyebuchi A   Development of a system for the evaluation of the teaching qualities of anesthesiology faculty Anesthesiology, 2009; 111(4): 709-16.
Overeem Karlijn, Wollersheim Hub, Driessen Erik, Lombarts Kiki, van de Ven Geertje, Grol Richard, Arah Onyebuchi   Doctors' perceptions of why 360-degree feedback does (not) work: a qualitative study Medical education, 2009; 43(9): 874-82.
Arah Onyebuchi A   On the relationship between individual and population health Medicine, health care, and philosophy, 2009; 12(3): 235-44.
Damman Olga C, Stubbe Janine H, Hendriks Michelle, Arah Onyebuchi A, Spreeuwenberg Peter, Delnoij Diana M J, Groenewegen Peter P   Using multilevel modeling to assess case-mix adjusters in consumer experience surveys in health care Medical care, 2009; 47(4): 496-503.
Arah Onyebuchi A, Chiba Yasutaka, Greenland Sander   Bias formulas for external adjustment and sensitivity analysis of unmeasured confounders Annals of epidemiology, 2008; 18(8): 637-46.
Slobbe Laurentius C J, Arah Onyebuchi A, de Bruin Agnes, Westert Gert P   Mortality in Dutch hospitals: trends in time, place and cause of death after admission for myocardial infarction and stroke. An observational study BMC health services research, 2008; 8(8): 52.
Tawfik-Shukor Ali R, Klazinga Niek S, Arah Onyebuchi A   Comparing health system performance assessment and management approaches in the Netherlands and Ontario, Canada BMC health services research, 2007; 7(2): 25.
Overeem Karlijn, Faber Marjan J, Arah Onyebuchi A, Elwyn Glyn, Lombarts Kiki M J M H, Wollersheim Hub C, Grol Richard P T M   Doctor performance assessment in daily practise: does it help doctors or not? A systematic review Medical education, 2007; 41(11): 1039-49.
Arah Onyebuchi A   Health workers and vaccination coverage in developing countries Lancet, 2007; 370(9586): 480; author reply 481.
Custers Thomas, Arah Onyebuchi A, Klazinga Niek S   Is there a business case for quality in The Netherlands? A critical analysis of the recent reforms of the health care system Health policy (Amsterdam, Netherlands), 2007; 82(2): 226-39.
Arah Onyebuchi A   Physician migration and the Millennium Development Goals for maternal health: the untold story The Medical journal of Australia, 2007; 186(12): 659-60.
Arah Onyebuchi A   The metrics and correlates of physician migration from Africa BMC public health, 2007; 7(2): 83.
Arah Onyebuchi A, Westert Gert P, Hurst Jeremy, Klazinga Niek S   A conceptual framework for the OECD Health Care Quality Indicators Project International journal for quality in health care : journal of the International Society for Quality in Health Care / ISQua, 2006; 18 Suppl 1(15): 5-13.
Arah Onyebuchi A   Hospital volume and outcomes of mechanical ventilation The New England journal of medicine, 2006; 355(15): 1617; author reply 1617-9.
Stronks Karien, Arah Onyebuchi A, Plochg Thomas   Learning from policy failure and failing to learn from policy European journal of public health, 2006; 16(4): 343-4.
Delnoij Diana M J, ten Asbroek Guus, Arah Onyebuchi A, de Koning Johan S, Stam Piet, Poll Aldien, Vriens Barbara, Schmidt Paul, Klazinga Niek S   Made in the USA: the import of American Consumer Assessment of Health Plan Surveys (CAHPS) into the Dutch social insurance system European journal of public health, 2006; 16(6): 652-9.
Arah Onyebuchi A, ten Asbroek A H A, Delnoij Diana M J, de Koning Johan S, Stam Piet J A, Poll Aldien H, Vriens Barbara, Schmidt Paul F, Klazinga Niek S   Psychometric properties of the Dutch version of the Hospital-level Consumer Assessment of Health Plans Survey instrument Health services research, 2006; 41(1): 284-301.
Arah Onyebuchi A   The health-worker migration crisis Lancet, 2006; 368(9529): 28.
Ogbu Uzor C, Arah Onyebuchi A   The metrics of the physician brain drain The New England journal of medicine, 2006; 354(5): 528-30; author reply 528-30.
Arah Onyebuchi A, Westert Gert P, Delnoij Diana M, Klazinga Niek S   Health system outcomes and determinants amenable to public health in industrialized countries: a pooled, cross-sectional time series analysis BMC public health, 2005; 5(1): 81.
Arah Onyebuchi A   Catastrophic failures of public health Lancet, 2004; 363(9420): 1551-2.
Arah Onyebuchi A   Professional monitoring and critical incident reporting using personal digital assistants The Medical journal of Australia, 2003; 178(7): 359; author reply 359.
Arah Onyebuchi A   Public disclosure of health plan quality of care JAMA : the journal of the American Medical Association, 2003; 289(7): 846-7; author reply 847.
Arah Onyebuchi A   Time to do the right things right: Nigerian health care Lancet, 2002; 360(9345): 1608-9.
Witvliet Margot I, Arah Onyebuchi A, Stronks Karien, Kunst Anton E   A global study on lone mothers: exploring the associations of self-assessed general health with motherhood types and gender inequality in 32 countries Women's health issues : official publication of the Jacobs Institute of Women's Health, 2014; 24(2): e177-85.
Parriott Andrea M, Brown Joelle M, Arah Onyebuchi A   Hospital and provider patient volumes, cesarean section rates, and early postpartum invasive methicillin-resistant Staphylococcus aureus infection American journal of infection control, 2014; 42(2): 156-9.
Lertdumrongluk Paungpaga, Streja Elani, Rhee Connie M, Park Jongha, Arah Onyebuchi A, Brunelli Steven M, Nissenson Allen R, Gillen Daniel, Kalantar-Zadeh Kamyar   Dose of hemodialysis and survival: a marginal structural model analysis American journal of nephrology, 2014; 39(5): 383-91.
Parriott Andrea M, Brown Joelle M, Arah Onyebuchi A   Predischarge postpartum methicillin resistant Staphylococcus aureus infection and group B streptococcus carriage at the individual and hospital levels Infectious diseases in obstetrics and gynecology, 2014; 2014(5): 515646.
Lukowsky Lilia R, Kheifets Leeka, Arah Onyebuchi A, Nissenson Allen R, Kalantar-Zadeh Kamyar   Nutritional predictors of early mortality in incident hemodialysis patients International urology and nephrology, 2014; 46(1): 129-40.
Lombarts Kiki M J M H, Plochg Thomas, Thompson Caroline A, Arah Onyebuchi A, Arah Onyebuchi A   Measuring professionalism in medicine and nursing: results of a European survey PloS one, 2014; 9(5): e97069.
Scheepers Renée A, Lombarts Kiki M J M H, van Aken Marcel A G, Heineman Maas Jan, Arah Onyebuchi A   Personality traits affect teaching performance of attending physicians: results of a multi-center observational study PloS one, 2014; 9(5): e98107.
Hommes Juliette, Arah Onyebuchi A, de Grave Willem, Schuwirth Lambert W T, Scherpbier Albert J J A, Bos Gerard M J   Medical students perceive better group learning processes when large classes are made to seem small PloS one, 2014; 9(4): e93328.
Lombarts Kiki M J M H, Heineman Maas Jan, Scherpbier Albert J J A, Arah Onyebuchi A   Effect of the learning climate of residency programs on faculty's teaching performance as evaluated by residents PloS one, 2014; 9(1): e86512.
DerSarkissian Maral, Thompson Caroline A, Arah Onyebuchi A   Time series analysis of maternal mortality in Africa from 1990 to 2005 Journal of epidemiology and community health, 2013; 67(12): 992-8.
van der Kooi Anne L F, Stronks Karien, Thompson Caroline A, DerSarkissian Maral, Arah Onyebuchi A   The modifying influence of country development on the effect of individual educational attainment on self-rated health American journal of public health, 2013; 103(11): e49-54.
Parriott Andrea M, Chow Angela Lp, Arah Onyebuchi A   Inadequate research on methicillin-resistant Staphylococcus aureus risk among postpartum women Expert review of anti-infective therapy, 2013; 11(11): 1127-30.
Sudan Madhuri, Kheifets Leeka, Arah Onyebuchi A, Olsen Jørn   On the association of cell phone exposure with childhood behaviour Journal of epidemiology and community health, 2013; 67(11): 979.
Witvliet Margot I, Kunst Anton E, Arah Onyebuchi A, Stronks Karien   Sick regimes and sick people: a multilevel investigation of the population health consequences of perceived national corruption Tropical medicine & international health : TM & IH, 2013; 18(10): 1240-7.
Sudan Madhuri, Kheifets Leeka, Arah Onyebuchi A, Olsen Jørn   Response to Ahrens and Schisterman Paediatric and perinatal epidemiology, 2013; 27(5): 504.
van der Leeuw Renée M, Overeem Karlijn, Arah Onyebuchi A, Heineman Maas Jan, Lombarts Kiki M J M H   Frequency and determinants of residents' narrative feedback on the teaching performance of faculty: narratives in numbers Academic medicine : journal of the Association of American Medical Colleges, 2013; 88(9): 1324-31.
Goto Atsushi, Arah Onyebuchi A, Goto Maki, Terauchi Yasuo, Noda Mitsuhiko   Severe hypoglycaemia and cardiovascular disease: systematic review and meta-analysis with bias analysis BMJ (Clinical research ed.), 2013; 347(5): f4533.
Boerebach Benjamin C M, Lombarts Kiki M J M H, Scherpbier Albert J J, Arah Onyebuchi A   The teacher, the physician and the person: exploring causal connections between teaching performance and role model types using directed acyclic graphs PloS one, 2013; 8(7): e69449.
Parriott Andrea M, Arah Onyebuchi A   Diabetes and early postpartum methicillin-resistant Staphylococcus aureus infection in US hospitals American journal of infection control, 2013; 41(7): 576-80.
Thompson Caroline A, Zhang Zuo-Feng, Arah Onyebuchi A   Competing risk bias to explain the inverse relationship between smoking and malignant melanoma European journal of epidemiology, 2013; 28(7): 557-67.
Hammer Antje, Arah Onyebuchi A, Dersarkissian Maral, Thompson Caroline A, Mannion Russell, Wagner Cordula, Ommen Oliver, Sunol Rosa, Pfaff Holger, Pfaff Holger   The relationship between social capital and quality management systems in European hospitals: a quantitative study PloS one, 2013; 8(12): e85662.
Streja Elani, Wu Chunsen, Uldall Peter, Grove Jakob, Arah Onyebuchi, Olsen Jørn   Congenital cerebral palsy, child sex and parent cardiovascular risk PloS one, 2013; 8(11): e79071.
Sudan Madhuri, Kheifets Leeka, Arah Onyebuchi, Olsen Jorn, Zeltzer Lonnie   Prenatal and Postnatal Cell Phone Exposures and Headaches in Children The open pediatric medicine journal, 2012; 6(2012): 46-52.
Scheepers Renée A, Boerebach Benjamin C M, Arah Onyebuchi A, Heineman Maas Jan, Lombarts Kiki M J M H   A Systematic Review of the Impact of Physicians' Occupational Well-Being on the Quality of Patient Care International journal of behavioral medicine, 2015; 20(2): .
Nianogo Roch A, Arah Onyebuchi A   Agent-based modeling of noncommunicable diseases: a systematic review American journal of public health, 2015; 105(3): e20-31.
Chow Angela, Lye David C B, Arah Onyebuchi A   Psychosocial determinants of physicians' acceptance of recommendations by antibiotic computerised decision support systems: A mixed methods study International journal of antimicrobial agents, 2015; 45(3): 295-304.
Krause Niklas, Brand Richard J, Arah Onyebuchi A, Kauhanen Jussi   Occupational physical activity and 20-year incidence of acute myocardial infarction: results from the Kuopio Ischemic Heart Disease Risk Factor Study Scandinavian journal of work, environment & health, 2015; 41(2): 124-39.
Liew Zeyan, Olsen Jørn, Cui Xin, Ritz Beate, Arah Onyebuchi A   Bias from conditioning on live birth in pregnancy cohorts: an illustration based on neurodevelopment in children after prenatal exposure to organic pollutants International journal of epidemiology, 2015; 44(1): 345-54.
Wang Aolin, Arah Onyebuchi A, Kauhanen Jussi, Krause Niklas   Work schedules and 11-year progression of carotid atherosclerosis in middle-aged Finnish men American journal of industrial medicine, 2015; 58(1): 1-13.
Groene Oliver, Arah Onyebuchi A, Klazinga Niek S, Wagner Cordula, Bartels Paul D, Kristensen Solvejg, Saillour Florence, Thompson Andrew, Thompson Caroline A, Pfaff Holger, DerSarkissian Maral, Sunol Rosa   Patient Experience Shows Little Relationship with Hospital Quality Management Strategies PloS one, 2015; 10(7): e0131805.
Lases S S Lenny, Arah Onyebuchi A, Pierik E G J M Robert, Heineman Erik, Lombarts M J M H Kiki   Residents' engagement and empathy associated with their perception of faculty's teaching performance World journal of surgery, 2014; 38(11): 2753-60.
Boerebach Benjamin C M, Arah Onyebuchi A, Heineman Maas Jan, Lombarts Kiki M J M H   Embracing the Complexity of Valid Assessments of Clinicians' Performance: A Call for In-Depth Examination of Methodological and Statistical Contexts That Affect the Measurement of Change Academic medicine : journal of the Association of American Medical Colleges, 2015; .
Boerebach Benjamin C M, Arah Onyebuchi A, Heineman Maas Jan, Busch Olivier R C, Lombarts Kiki M J M H   The impact of resident- and self-evaluations on surgeon's subsequent teaching performance World journal of surgery, 2014; 38(11): 2761-9.
Silkens Milou E W M, Smirnova Alina, Stalmeijer Renee E, Arah Onyebuchi A, Scherpbier Albert J J A, Van Der Vleuten Cees P M, Lombarts Kiki M J M H   Revisiting the D-RECT tool: Validation of an instrument measuring residents' learning climate perceptions Medical teacher, 2015; 1-6.
Ritz Beate, Lee Pei-Chen, Lassen Christina F, Arah Onyebuchi A   Parkinson disease and smoking revisited: ease of quitting is an early sign of the disease Neurology, 2014; 83(16): 1396-402.
Boerebach Benjamin C M, Lombarts Kiki M J M H, Arah Onyebuchi A   Confirmatory Factor Analysis of the System for Evaluation of Teaching Qualities (SETQ) in Graduate Medical Training Evaluation & the health professions, 2014; 83(16): .
Van Der Leeuw Renée M, Boerebach Benjamin C M, Lombarts Kiki M J M H, Heineman Maas Jan, Arah Onyebuchi A   Clinical teaching performance improvement of faculty in residency training: A prospective cohort study Medical teacher, 2015; 1-7.
Thompson Caroline A, Arah Onyebuchi A   Selection bias modeling using observed data augmented with imputed record-level probabilities Annals of epidemiology, 2014; 24(10): 747-53.
Liew Zeyan, Olsen Jørn, Cui Xin, Ritz Beate, Arah Onyebuchi A   Response to Werler and Parker letter: Comment on live-birth bias in pregnancy cohorts International journal of epidemiology, 2015; .
Lauriks Steve, de Wit Matty A S, Buster Marcel C A, Arah Onyebuchi A, Klazinga Niek S   Composing a core set of performance indicators for public mental health care: a modified Delphi procedure Administration and policy in mental health, 2014; 41(5): 625-35.
Kuttykrishnan Sooraj, Kalantar-Zadeh Kamyar, Arah Onyebuchi A, Cheung Alfred K, Brunelli Steve, Heagerty Patrick J, Katz Ronit, Molnar Miklos Z, Nissenson Allen, Ravel Vanessa, Streja Elani, Himmelfarb Jonathan, Mehrotra Rajnish   Predictors of treatment with dialysis modalities in observational studies for comparative effectiveness research Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association, 2015; 30(7): 1208-17.
Sudan Madhuri, Kheifets Leeka I, Arah Onyebuchi A, Divan Hozefa A, Olsen Jørn   Complexities of sibling analysis when exposures and outcomes change with time and birth order Journal of exposure science & environmental epidemiology, 2014; 24(5): 482-8.
Ricks Joni L, Cochran Susan D, Arah Onyebuchi A, Williams John K, Seeman Teresa E   Food insecurity and intimate partner violence against women: results from the California Women's Health Survey Public health nutrition, 2015; 30(7): 1-10.
Boerebach Benjamin C M, Scheepers Renée A, van der Leeuw Renée M, Heineman Maas Jan, Arah Onyebuchi A, Lombarts Kiki M J M H   The impact of clinicians' personality and their interpersonal behaviors on the quality of patient care: a systematic review International journal for quality in health care : journal of the International Society for Quality in Health Care / ISQua, 2014; 26(4): 426-81.
Molnar Miklos Z, Mucsi Istvan, Novak Marta, Szabo Zoltan, Freire Amado X, Huch Kim M, Arah Onyebuchi A, Ma Jennie Z, Lu Jun L, Sim John J, Streja Elani, Kalantar-Zadeh Kamyar, Kovesdy Csaba P   Association of incident obstructive sleep apnoea with outcomes in a large cohort of US veterans Thorax, 2015; 30(7): .
Wang Aolin, Stronks Karien, Arah Onyebuchi A   Global educational disparities in the associations between body mass index and diabetes mellitus in 49 low-income and middle-income countries Journal of epidemiology and community health, 2014; 68(8): 705-11.
Witvliet Margot I, Stronks Karien, Kunst Anton E, Mahapatra Tanmay, Arah Onyebuchi A   Linking Health System Responsiveness to Political Rights and Civil Liberties: A Multilevel Analysis Using Data From 44 Countries International journal of health services : planning, administration, evaluation, 2015; 30(7): .
Zhang Donglan, Giabbanelli Philippe J, Arah Onyebuchi A, Zimmerman Frederick J   Impact of different policies on unhealthy dietary behaviors in an urban adult population: an agent-based simulation model American journal of public health, 2014; 104(7): 1217-22.
Scheepers Renée A, Arah Onyebuchi A, Heineman Maas Jan, Lombarts Kiki M J M H   In the eyes of residents good supervisors need to be more than engaged physicians: the relevance of teacher work engagement in residency training Advances in health sciences education : theory and practice, 2015; 20(2): 441-55.
Becerra Tracy A, von Ehrenstein Ondine S, Heck Julia E, Olsen Jorn, Arah Onyebuchi A, Jeste Shafali S, Rodriguez Michael, Ritz Beate   Autism spectrum disorders and race, ethnicity, and nativity: a population-based study Pediatrics, 2014; 134(1): e63-71.
Secanell Mariona, Groene Oliver, Arah Onyebuchi A, Lopez Maria Andrée, Kutryba Basia, Pfaff Holger, Klazinga Niek, Wagner Cordula, Kristensen Solvejg, Bartels Paul Daniel, Garel Pascal, Bruneau Charles, Escoval Ana, França Margarida, Mora Nuria, Suñol Rosa, Suñol Rosa   Deepening our understanding of quality improvement in Europe (DUQuE): overview of a study of hospital quality management in seven countries International journal for quality in health care : journal of the International Society for Quality in Health Care / ISQua, 2014; 26 Suppl 1(1): 5-15.
Shaw Charles D, Groene Oliver, Botje Daan, Sunol Rosa, Kutryba Basia, Klazinga Niek, Bruneau Charles, Hammer Antje, Wang Aolin, Arah Onyebuchi A, Wagner Cordula, Wagner Cordula   The effect of certification and accreditation on quality management in 4 clinical services in 73 European hospitals International journal for quality in health care : journal of the International Society for Quality in Health Care / ISQua, 2014; 26 Suppl 1(1): 100-7.
Wagner Cordula, Groene Oliver, Thompson Caroline A, Dersarkissian Maral, Klazinga Niek S, Arah Onyebuchi A, Suñol Rosa, Suñol Rosa   DUQuE quality management measures: associations between quality management at hospital and pathway levels International journal for quality in health care : journal of the International Society for Quality in Health Care / ISQua, 2014; 26 Suppl 1(1): 66-73.
Groene Oliver, Sunol Rosa, Klazinga Niek S, Wang Aolin, Dersarkissian Maral, Thompson Caroline A, Thompson Andrew, Arah Onyebuchi A, Arah Onyebuchi A   Involvement of patients or their representatives in quality management functions in EU hospitals: implementation and impact on patient-centred care strategies International journal for quality in health care : journal of the International Society for Quality in Health Care / ISQua, 2014; 26 Suppl 1(1): 81-91.
Plochg Thomas, Arah Onyebuchi A, Botje Daan, Thompson Caroline A, Klazinga Niek S, Wagner Cordula, Mannion Russell, Lombarts Kiki, Lombarts Kiki   Measuring clinical management by physicians and nurses in European hospitals: development and validation of two scales International journal for quality in health care : journal of the International Society for Quality in Health Care / ISQua, 2014; 26 Suppl 1(1): 56-65.
Wagner Cordula, Thompson Caroline A, Arah Onyebuchi A, Groene Oliver, Klazinga Niek S, Dersarkissian Maral, Suñol Rosa, Suñol Rosa   A checklist for patient safety rounds at the care pathway level International journal for quality in health care : journal of the International Society for Quality in Health Care / ISQua, 2014; 26 Suppl 1(1): 36-46.
Sunol Rosa, Wagner Cordula, Arah Onyebuchi A, Shaw Charles D, Kristensen Solvejg, Thompson Caroline A, Dersarkissian Maral, Bartels Paul D, Pfaff Holger, Secanell Mariona, Mora Nuria, Vlcek Frantisek, Kutaj-Wasikowska Halina, Kutryba Basia, Michel Philippe, Groene Oliver, Groene Oliver   Evidence-based organization and patient safety strategies in European hospitals International journal for quality in health care : journal of the International Society for Quality in Health Care / ISQua, 2014; 26 Suppl 1(1): 47-55.

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