David W. Evans

ORCID: 0000-0002-3990-5494
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About
Contact & Profiles
Research Areas
  • Autism Spectrum Disorder Research
  • Organ Donation and Transplantation
  • Organ Transplantation Techniques and Outcomes
  • Genetics and Neurodevelopmental Disorders
  • Obsessive-Compulsive Spectrum Disorders
  • Grief, Bereavement, and Mental Health
  • Child and Adolescent Psychosocial and Emotional Development
  • Palliative Care and End-of-Life Issues
  • Attention Deficit Hyperactivity Disorder
  • Visual perception and processing mechanisms
  • Education Systems and Policy
  • Health disparities and outcomes
  • Atrial Fibrillation Management and Outcomes
  • Retinal Diseases and Treatments
  • Glaucoma and retinal disorders
  • Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes
  • Infrared Target Detection Methodologies
  • Land Use and Ecosystem Services
  • Retinal Imaging and Analysis
  • Congenital heart defects research
  • Homelessness and Social Issues
  • Family and Disability Support Research
  • Genomic variations and chromosomal abnormalities
  • Urban Transport and Accessibility
  • Williams Syndrome Research

Bucknell University
2013-2024

University of Birmingham
2024

University of Cambridge
2010-2023

Guardant (United States)
2019

Autism & Developmental Medicine Institute
2013-2015

Sorbonne Université
2009-2014

Okayama University
2011-2014

Geisinger Health System
2012-2014

Bristol-Myers Squibb (France)
2014

Harvard University
2014

Recent studies have started to suggest that, beyond effects of individual socioeconomic profiles, characteristics residential neighborhoods are independently associated with blood pressure. However, mechanisms involved in these associations remain unknown. To distinguish between different mechanisms, we investigated whether specific risk factors hypertension (physical inactivity, alcohol consumption, smoking, body mass index, waist circumference, and resting heart rate) intervene as...

10.1161/hypertensionaha.109.143206 article EN Hypertension 2010-01-26

Most disorders caused by copy number variants (CNVs) display significant clinical variability, often referred to as incomplete penetrance and variable expressivity. Genetic environmental sources of this variability are not well understood.

10.1001/jamapsychiatry.2014.2147 article EN JAMA Psychiatry 2014-12-10

Contrast sensitivity was found to be better than visual acuity for predicting a pilot's ability detect small, semi-isolated, air-to-ground target. Eleven instructor pilots had their measured by both conventional and contrast methods. Scotopic contract showed the highest correlation with slant detection range (0.83). Conventionally determined proved poor predictor of small low

10.1097/00006324-198201000-00020 article EN Optometry and Vision Science 1982-01-01

This study was conducted to detennine if contrast sensitivity could predict age-related differences in the ability discriminate simple road signs, as these have not been predicted by Snellen visual acuity. Contrast sensitivity, acuity, and discrimination distances for projected images of highway signs were measured 7 older observers, ages 55 79, 13 younger 19 30. All subjects had 20/20 acuity or better, but group significantly lower than did at three spatial frequencies: 3, 6, 12 cycles/deg...

10.1177/001872088502700602 article EN Human Factors The Journal of the Human Factors and Ergonomics Society 1985-12-01

This study assessed whether assisted peritoneal dialysis (PD) was associated with a lower risk for technique failure using methods developed survival analysis in the presence of competing risks.This retrospective cohort study, based on data from French Language Peritoneal Dialysis Registry, analyzed 9822 incident patients starting PD between January 2002 and December 2010. The observation period ended June 1, 2011. Time to transfer hemodialysis compared those undergoing self-care PD.There...

10.2215/cjn.10161011 article EN Clinical Journal of the American Society of Nephrology 2012-02-17

Both self-regulation and insistence on sameness (IS) are related to anxiety, which is a common feature of individuals with autism spectrum disorder (ASD). Here, we aimed characterise the IS-self-regulation-anxiety interrelationship by investigating potential contribution made self-regulation, assessed via effortful control (EC), IS-anxiety relationship in sample adolescents young adults ASD. Seventy-one older younger ASD (49 males, 22 females; M age = 18.71 years, SD 2.51, range 14.42–24.81)...

10.1186/s13229-017-0158-4 article EN cc-by Molecular Autism 2017-07-21

<h3>BACKGROUND/AIMS</h3> Autoregulation of blood flow during posture change is important to ensure consistent organ circulation. The purpose this study was compare the in retrobulbar ocular glaucoma patients with normal subjects supine and upright posture. <h3>METHODS</h3> 20 open angle subjects, similar age sex distribution, were evaluated. Blood pressure, intraocular velocity tested after 30 minutes sitting again lying. Retrobulbar haemodynamic measures peak systolic (PSV), end diastolic...

10.1136/bjo.83.7.809 article EN British Journal of Ophthalmology 1999-07-01

Abstract Background Recent research has shown that the range of repetitive behaviour seen in individuals with Prader–Willi syndrome (PWS) extends beyond food‐related behaviour. Methods The presence and intensity repetitive, rigid routinized children PWS was compared another neurodevelopmental condition which is common: autism. Parents completed Childhood Routines Inventory (CRI). Results Contrary to our predictions, controlling for developmental level, autism showed similar levels...

10.1111/j.1365-2788.2005.00726.x article EN Journal of Intellectual Disability Research 2005-07-22

Urbanization is one of the most evident global changes. Research in field urban growth modelling has generated models that explore for drivers and components dynamics. Cellular automata (CA) modeling recent advances, a number CA-based have produced satisfactory simulations spatial expansion over time. Most application test which provide likely reliable been developed regions nations; United States, particular. This because were universities research centers nations, these required data,...

10.1061/(asce)0733-9488(2004)130:3(145) article EN Journal of Urban Planning and Development 2004-08-17

In early contextual studies, the aim was to demonstrate overall neighborhood influences rather than dissecting such into their components. Researchers did not need worry about neighborhood-level confounding. However, as our interest shifts exploration of specific environmental effects, failure consider confounding may result in severely biased associations. We argue that socioeconomic position and similar area structural factors constitute powerful sources studies health. Controlling for is...

10.1097/ede.0b013e3181c04e70 article EN Epidemiology 2009-12-09
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