User profiles for "author:Sam Harper"

Sam Harper

Department of Epidemiology, Biostatistics & Occupational Health, McGill University
Verified email at mcgill.ca
Cited by 12683

Is income inequality a determinant of population health? Part 1. A systematic review

J Lynch, GD Smith, SAM Harper… - The Milbank …, 2004 - Wiley Online Library
This article reviews 98 aggregate and multilevel studies examining the associations
between income inequality and health. Overall, there seems to be little support for the idea …

Determinants of increased opioid-related mortality in the United States and Canada, 1990–2013: a systematic review

NB King, V Fraser, C Boikos… - … journal of public …, 2014 - ajph.aphapublications.org
We review evidence of determinants contributing to increased opioid-related mortality in the
United States and Canada between 1990 and 2013. We identified 17 determinants of opioid …

Use of relative and absolute effect measures in reporting health inequalities: structured review

NB King, S Harper, ME Young - Bmj, 2012 - bmj.com
Objective To examine the frequency of reporting of absolute and relative effect measures in
health inequalities research. Design Structured review of selected general medical and …

[HTML][HTML] Factors associated with COVID-19-related death using OpenSAFELY

EJ Williamson, AJ Walker, K Bhaskaran, S Bacon… - Nature, 2020 - nature.com
Abstract Coronavirus disease 2019 (COVID-19) has rapidly affected mortality worldwide.
There is unprecedented urgency to understand who is most at risk of severe outcomes, and …

[HTML][HTML] OpenSAFELY: factors associated with COVID-19 death in 17 million patients

EJ Williamson, AJ Walker, K Bhaskaran, S Bacon… - Nature, 2020 - ncbi.nlm.nih.gov
OpenSAFELY: factors associated with COVID-19 death in 17 million patients - PMC Back to
Top Skip to main content NIH NLM Logo Access keys NCBI Homepage MyNCBI Homepage …

Global variability in fruit and vegetable consumption

JN Hall, S Moore, SB Harper, JW Lynch - American journal of preventive …, 2009 - Elsevier
BACKGROUND: Low fruit and vegetable consumption is an important risk factor for chronic
diseases, but for many (mainly developing) countries, no prevalence data have ever been …

[HTML][HTML] HIV infection and COVID-19 death: a population-based cohort analysis of UK primary care data and linked national death registrations within the …

K Bhaskaran, CT Rentsch, B MacKenna, A Schultze… - The lancet HIV, 2021 - thelancet.com
Background Whether HIV infection is associated with risk of death due to COVID-19 is
unclear. We aimed to investigate this association in a large-scale population-based study in …

[HTML][HTML] Ethnic differences in SARS-CoV-2 infection and COVID-19-related hospitalisation, intensive care unit admission, and death in 17 million adults in England: an …

R Mathur, CT Rentsch, CE Morton, WJ Hulme… - The Lancet, 2021 - thelancet.com
Background COVID-19 has disproportionately affected minority ethnic populations in the UK.
Our aim was to quantify ethnic differences in SARS-CoV-2 infection and COVID-19 …

OpenSAFELY: factors associated with COVID-19-related hospital death in the linked electronic health records of 17 million adult NHS patients

OpenSAFELY Collaborative, E Williamson, AJ Walker… - MedRxiv, 2020 - medrxiv.org
Background Establishing who is at risk from a novel rapidly arising cause of death, and why,
requires a new approach to epidemiological research with very large datasets and timely …

[HTML][HTML] Case fatality risk of the SARS-CoV-2 variant of concern B. 1.1. 7 in England, 16 November to 5 February

DJ Grint, K Wing, E Williamson, HI McDonald… - …, 2021 - eurosurveillance.org
The SARS-CoV-2 B. 1.1. 7 variant of concern (VOC) is increasing in prevalence across
Europe. Accurate estimation of disease severity associated with this VOC is critical for …