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R. Walld · SciRah

Researcher profile · Semantic Scholar

R. Walld

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R. Walld — researcher profile on SciRah

h-index: 34
Works: 95
Citations: 4,820

Most-cited papers

Short-, Medium-, and Long-Term Consequences of Poor Infant Health
Philip Oreopoulos, Mark Stabile, R. Walld, L. Roos
2006The Journal of human resources440 citations Open access
Semantic Scholar
Epidemiology of varicella zoster virus infection in Canada and the United Kingdom
M. Brisson, W. Edmunds, B. Law, N. Gay +4 more
2001Epidemiology and Infection435 citations Open access
Semantic Scholar
Development and validation of the Ontario acute myocardial infarction mortality prediction rules.
J. Tu, P. Austin, R. Walld, L. Roos +2 more
2001Journal of the American College of Cardiology300 citations Open access
Semantic Scholar
Physician visits, hospitalizations, and socioeconomic status: ambulatory care sensitive conditions in a canadian setting.
L. Roos, R. Walld, J. Uhanova, R. Bond
2005Health Services Research249 citations Open access
Semantic Scholar
Increased Burden of Psychiatric Disorders in Inflammatory Bowel Disease.
C. Bernstein, C. Hitchon, R. Walld, J. Bolton +10 more
2018Inflammatory Bowel Diseases232 citations Open access
Semantic Scholar
What are obstructive sleep apnea patients being treated for prior to this diagnosis?
R. Smith, J. Ronald, K. Delaive, R. Walld +2 more
2002Chest217 citations
Semantic Scholar
Increased incidence of psychiatric disorders in immune-mediated inflammatory disease.
R. Marrie, R. Walld, J. Bolton, J. Sareen +9 more
2017Journal of Psychosomatic Research170 citations Open access
Semantic Scholar
Parents bereaved by offspring suicide: a population-based longitudinal case-control study.
J. Bolton, W. Au, W. Leslie, P. Martens +11 more
2013JAMA psychiatry168 citations
Semantic Scholar
The relationship between inflammatory bowel disease and socioeconomic variables
C. Bernstein, A. Kraut, J. Blanchard, P. Rawsthorne +2 more
2001American Journal of Gastroenterology160 citations
Semantic Scholar
Utilization of healthcare resources in obstructive sleep apnea syndrome: a 5-year follow-up study in men using CPAP.
M. Albarrak, Katsuhisa Banno, Ahmed Abd Almawla Al Sabbagh, K. Delaive +3 more
2005Sleep150 citations Open access
Semantic Scholar
Increased Burden of Psychiatric Disorders in Rheumatoid Arthritis
R. Marrie, C. Hitchon, R. Walld, S. Patten +9 more
2018Arthritis care & research130 citations Open access
Semantic Scholar
Restless legs syndrome in 218 patients: associated disorders.
Katsuhisa Banno, K. Delaive, R. Walld, M. Kryger
2000Sleep Medicine129 citations
Semantic Scholar
Utilization of health care services in patients with severe obstructive sleep apnea.
M. Kryger, L. Roos, K. Delaive, R. Walld +1 more
1996Sleep128 citations Open access
Semantic Scholar
Rising incidence of psychiatric disorders before diagnosis of immune-mediated inflammatory disease
R. Marrie, R. Walld, James M. Bolton, J. Sareen +9 more
2017Epidemiology and Psychiatric Sciences122 citations Open access
Semantic Scholar
From health research to social research: privacy, methods, approaches.
L. Roos, M. Brownell, L. Lix, N. Roos +2 more
2008Social Science & Medicine (1967)116 citations
Semantic Scholar
Impact of diabetes on employment and income in Manitoba, Canada.
A. Kraut, R. Walld, R. Tate, C. Mustard
2001Diabetes Care108 citations
Semantic Scholar
Risk of suicide and suicide attempts associated with physical disorders: a population-based, balancing score-matched analysis
J. Bolton, R. Walld, D. Chateau, G. Finlayson +1 more
2014Psychological Medicine98 citations
Semantic Scholar
Psychiatric comorbidity increases mortality in immune-mediated inflammatory diseases.
R. Marrie, R. Walld, J. Bolton, J. Sareen +8 more
2018General Hospital Psychiatry84 citations Open access
Semantic Scholar
Bereavement after sibling death: a population‐based longitudinal case‐control study
J. Bolton, W. Au, D. Chateau, R. Walld +6 more
2016World Psychiatry83 citations Open access
Semantic Scholar
Acute Risk of Suicide and Suicide Attempts Associated with Recent Diagnosis of Mental Disorders: A Population-Based, Propensity Score—Matched Analysis
Jason R. Randall, R. Walld, G. Finlayson, J. Sareen +2 more
2014Canadian journal of psychiatry. Revue canadienne de psychiatrie74 citations Open access
Semantic Scholar
Association of the Social Determinants of Health With Quality of Primary Care
A. Katz, D. Chateau, J. Enns, J. Valdivia +3 more
2018Annals of Family Medicine72 citations Open access
Semantic Scholar
Expenditure on health care in obese women with and without sleep apnea.
Katsuhisa Banno, C. Ramsey, R. Walld, M. Kryger
2009Sleep67 citations Open access
Semantic Scholar
Waiting times for surgical procedures.
C. Decoster, K. Carriere, Sandra Peterson, R. Walld +1 more
1999Medical Care67 citations
Semantic Scholar
Cardiovascular medication use in patients with undiagnosed obstructive sleep apnoea
K. Otake, K. Delaive, R. Walld, J. Manfreda +1 more
2002Thorax63 citations Open access
Semantic Scholar
Estimating annual prevalence of depression and anxiety disorder in multiple sclerosis using administrative data
R. Marrie, R. Walld, J. Bolton, J. Sareen +14 more
2017BMC Research Notes52 citations Open access
Semantic Scholar
Data Resource Profile: Pathways to Health and Social Equity for Children (PATHS Equity for Children)
Nathan C. Nickel, D. Chateau, P. Martens, M. Brownell +7 more
2014International Journal of Epidemiology52 citations Open access
Semantic Scholar
Variations in Lifetime Healthcare Costs across a Population.
E. Forget, L. Roos, R. Deber, R. Walld
2008Healthcare Policy | Politiques de Santé49 citations
Semantic Scholar
Social Determinants of Outcomes in Inflammatory Bowel Disease.
C. Bernstein, R. Walld, R. Marrie
2020American Journal of Gastroenterology46 citations
Semantic Scholar
Delivering equitable care: comparing preventive services in Manitoba.
S. Gupta, L. Roos, R. Walld, Dawn Traverse +1 more
2003American Journal of Public Health46 citations Open access
Semantic Scholar
Influence of lack of full-time employment on attempted suicide in Manitoba, Canada.
A. Kraut, R. Walld
2003Scandinavian Journal of Work, Environment and Health45 citations Open access
Semantic Scholar
Objectively Verified Parental Hip Fracture Is an Independent Risk Factor for Fracture: a Linkage Analysis of 478,792 Parents and 261,705 Offspring
Shuman Yang, W. D. Leslie, Lin Yan, R. Walld +4 more
2016Journal of Bone and Mineral Research44 citations Open access
Semantic Scholar
Healthcare utilization in women with obstructive sleep apnea syndrome 2 years after diagnosis and treatment.
Katsuhisa Banno, J. Manfreda, R. Walld, K. Delaive +1 more
2006Sleep40 citations Open access
Semantic Scholar
Validation of the Kidney Failure Risk Equation in Manitoba
R. Whitlock, M. Chartier, P. Komenda, Jay Hingwala +4 more
2017Canadian Journal of Kidney Health and Disease39 citations Open access
Semantic Scholar
What is Most Important: Social Factors, Health Selection, and Adolescent Educational Achievement
Leslie L. Roos, B. Hiebert, P. Manivong, J. Edgerton +3 more
2011Social Indicators Research35 citations
Semantic Scholar
Parental bereavement after the death of an offspring in a motor vehicle collision: a population-based study.
J. Bolton, W. Au, R. Walld, D. Chateau +4 more
2014American Journal of Epidemiology32 citations
Semantic Scholar
Does universal comprehensive insurance encourage unnecessary use? Evidence from Manitoba says "no".
N. Roos, E. Forget, R. Walld, L. Macwilliam
2004CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne32 citations
Semantic Scholar
Physical comorbidities increase the risk of psychiatric comorbidity in immune-mediated inflammatory disease.
R. Marrie, R. Walld, J. Bolton, J. Sareen +9 more
2018General Hospital Psychiatry31 citations
Semantic Scholar
Using a Population-based Health Information System to Study Child Health
M. Brownell, T. Mayer, P. Martens, Anita L. Kozyrskyj +5 more
2002Canadian journal of public health29 citations Open access
Semantic Scholar
Predicting suicide with the SAD PERSONS scale
Cara Katz, Jason R. Randall, J. Sareen, D. Chateau +4 more
2017Depression and Anxiety27 citations Open access
Semantic Scholar
Increasing obesity trends in patients with sleep-disordered breathing referred to a sleep disorders center.
Katsuhisa Banno, R. Walld, M. Kryger
2005Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine26 citations
Semantic Scholar
Effect of mood and anxiety disorders on health care utilization in multiple sclerosis
R. Marrie, R. Walld, J. Bolton, J. Sareen +9 more
2020Multiple Sclerosis22 citations Open access
Semantic Scholar
Uptake of influenza vaccination among persons with inflammatory bowel disease, multiple sclerosis or rheumatoid arthritis: a population-based matched cohort study
R. Marrie, R. Walld, J. Bolton, J. Sareen +9 more
2021CMAJ Open21 citations Open access
Semantic Scholar
The Impact of Psychiatric Comorbidity on Health Care Utilization in Inflammatory Bowel Disease: A Population-based Study.
C. Bernstein, C. Hitchon, R. Walld, J. Bolton +9 more
2020Inflammatory Bowel Diseases19 citations Open access
Semantic Scholar
Medication adherence in multiple sclerosis as a potential model for other chronic diseases: a population-based cohort study
C. Evans, R. Marrie, Shenzhen Yao, F. Zhu +4 more
2021BMJ Open16 citations Open access
Semantic Scholar
Prevalence, socio-demographic characteristics, and comorbid health conditions in pre-dialysis chronic kidney disease: results from the Manitoba chronic kidney disease cohort
M. Chartier, N. Tangri, P. Komenda, R. Walld +4 more
2018BMC Nephrology16 citations Open access
Semantic Scholar
Epidemiology of varicella zoster virus infection in Canada and the United Kingdom – CORRIGENDUM
M. Brisson, W. Edmunds, B. Law, N. Gay +4 more
2014Epidemiology and Infection16 citations Open access
Semantic Scholar
Adolescent outcomes and opportunities in a Canadian province: looking at siblings and neighbors
L. Roos, R. Walld, J. Witt
2014BMC Public Health15 citations Open access
Semantic Scholar
Objectively‐Verified Parental Non‐Hip Major Osteoporotic Fractures and Offspring Osteoporotic Fracture Risk: A Population‐Based Familial Linkage Study
Shuman Yang, W. D. Leslie, R. Walld, L. Roos +3 more
2017Journal of Bone and Mineral Research13 citations Open access
Semantic Scholar
Accuracy of Offspring-Reported Parental Hip Fractures: A Novel Population-Based Parent-Offspring Record Linkage Study
L. Lix, W. Leslie, Shuman Yang, Lin Yan +4 more
2017American Journal of Epidemiology13 citations Open access
Semantic Scholar
Evaluation of administrative case definitions for chronic kidney disease in children
A. Dart, M. Chartier, P. Komenda, R. Walld +3 more
2019Pediatric Research12 citations
Semantic Scholar

Frequent co-authors

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J. Sareen×16
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J. Sareen — researcher profile on SciRah
J. Bolton×15
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J. Bolton — researcher profile on SciRah
A. Katz×12
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A. Katz — researcher profile on SciRah
R. Marrie×12
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R. Marrie — researcher profile on SciRah

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C. Bernstein — researcher profile on SciRah

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L. Lix — researcher profile on SciRah

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C. Hitchon — researcher profile on SciRah

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J. Fisk — researcher profile on SciRah

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S. Patten — researcher profile on SciRah

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A. Singer — researcher profile on SciRah

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M. Kryger — researcher profile on SciRah