Christian Boudreau

ORCID: 0000-0003-3106-1319
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About
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Research Areas
  • Smoking Behavior and Cessation
  • Behavioral Health and Interventions
  • COVID-19 and Mental Health
  • Survey Methodology and Nonresponse
  • Global Public Health Policies and Epidemiology
  • Cannabis and Cannabinoid Research
  • Air Quality and Health Impacts
  • Obesity, Physical Activity, Diet
  • Consumer Attitudes and Food Labeling
  • Media Influence and Health
  • Social Sciences and Governance
  • Homelessness and Social Issues
  • Health Systems, Economic Evaluations, Quality of Life
  • Nutrition, Health and Food Behavior
  • Advanced Causal Inference Techniques
  • Substance Abuse Treatment and Outcomes
  • Nutritional Studies and Diet
  • Vaccine Coverage and Hesitancy
  • Health Promotion and Cardiovascular Prevention
  • Hematopoietic Stem Cell Transplantation
  • Sexuality, Behavior, and Technology
  • Statistical Methods and Bayesian Inference
  • Misinformation and Its Impacts
  • Healthcare Policy and Management
  • Health and Wellbeing Research

University of Waterloo
2011-2025

Actua
2006-2022

Medical College of Wisconsin
2004-2006

Eastern Cooperative Oncology Group
2006

École Nationale d'Administration Publique
2003

Journal Article Socioeconomic disparities in quit intentions, attempts, and smoking abstinence among smokers four western countries: Findings from the International Tobacco Control Four Country Survey Get access Jessica L. Reid, M.Sc., M.Sc. 1Department of Health Studies Gerontology, University Waterloo, Ontario, Canada2Propel Centre for Population Impact, Canada Search other works by this author on: Oxford Academic PubMed Google Scholar David Hammond, Ph.D., Ph.D. Christian Boudreau,...

10.1093/ntr/ntq051 article EN Nicotine & Tobacco Research 2010-09-30

<h2>Abstract</h2> Matching for HLA class I alleles, including HLA-C, is an important criterion outcome of unrelated donor transplantation. However, haplotype-mismatched transplantations myeloid malignancies, mismatched killer immunoglobulin-like receptor (KIR) ligands in the graft-versus-host (GVH) direction, associated with lower rates disease (GVHD), relapse, and mortality. This study investigated effect KIR ligand mismatching on The outcomes after 1571 malignancies where donor–recipient...

10.1016/j.bbmt.2006.05.007 article EN cc-by-nc-nd Biology of Blood and Marrow Transplantation 2006-07-24

Introduction:In 2010, the U.S. Food and Drug Administration (FDA) developed 36 proposed health warnings for cigarette packages, from which 9 were subsequently selected implementation. The current study aimed to evaluate perceived efficacy of FDA warnings.

10.1093/ntr/nts094 article EN Nicotine & Tobacco Research 2012-04-13

Introduction COVID-19 is primarily a respiratory illness, and smoking adversely impacts the immune systems; this confluence may therefore incentivize smokers to quit. The present study, conducted in four high-income countries during first global wave of COVID-19, examined association between and: (1) thoughts about quitting smoking; (2) changes (quit attempt, reduced or increased smoking, no change); (3) factors related positive change (making quit attempt reducing smoking) based on an...

10.1371/journal.pone.0252427 article EN cc-by PLoS ONE 2021-06-04

Allogeneic hematopoietic stem cell transplantation (SCT) may cure patients with hematologic malignancies, but it carries significant risks. Careful donor selection is an important component of the clinical decision-making process and includes evaluation HLA typing other criteria, most controversial which parity. We examined effect sex parity on outcomes HLA-identical sibling SCT. Because recipient sex/parity has never been explicitly evaluated, we also analyzed transplantation. found that...

10.1016/j.bbmt.2006.03.015 article EN cc-by-nc-nd Biology of Blood and Marrow Transplantation 2006-06-19

Infertility is a devastating side effect of cancer treatment. Advances in fertility research have brought new preservation techniques to the forefront for women. The implication this field pediatric oncology has not been reported. objective study was determine whether female adolescents with diagnosis and their parents were interested trying preserve fertility. We conducted cross-sectional survey patients, aged 10 21 years, parents. There 39 parent/adolescent pair responses, 3 parent-only 8...

10.1097/00043426-200606000-00006 article EN Journal of Pediatric Hematology/Oncology 2006-06-01

Most tobacco control efforts in western countries focus on the factory-made, mass-produced (FM) cigarette, whereas other products receive relatively little attention. Noncombusted (i.e., referred to as smokeless tobacco), particularly Swedish-style snus, carry lower disease risks, compared with combusted such cigarettes. In this context, it is important know what users believe about relative harmfulness of various types products. Data for study came from random-digit-dialed telephone surveys...

10.1080/14622200701591583 article EN Nicotine & Tobacco Research 2007-10-01

Abstract Aim To describe the methods of 2016 International Tobacco Control (ITC) Four Country Smoking and Vaping (4CV) Survey, conducted in Australia (AU), Canada (CA), England (EN) United States (US). Methods The respondents were cigarette smokers, former smokers (quit within previous 2 years), at‐least‐weekly vapers, aged 18 years older. Eligible cohort members from ITC Survey (4C) retained. New sampled by commercial firms their panels. Where possible, ages 18–24 vapers oversampled. Data...

10.1111/add.14528 article EN Addiction 2018-12-12

This study examined whether nontobacco flavors are more commonly used by vapers (e-cigarette users) compared with tobacco flavor, described which most popular, and tested associated with: vaping satisfaction relative to smoking, level of enjoyment vaping, reasons for using e-cigarettes, making an attempt quit smoking smokers.This cross-sectional included 1603 adults from Canada the United States who vaped at least weekly, were either current smokers (concurrent or former (exclusive vapers)....

10.1093/ntr/ntaa095 article EN cc-by-nc-nd Nicotine & Tobacco Research 2020-05-19

Background: To evaluate how Scotland's smokefree law impacted self-reported secondhand smoke (SHS) exposure in hospitality venues, workplaces and people's homes. In addition, we examine changes support for the law, pub restaurant patronage, smoking cessation indicators whether any observed varied by socioeconomic status. Methods: A quasi-experimental longitudinal telephone survey of nationally representative samples smokers non-smokers interviewed before Scottish (February to March 2006) 1...

10.1093/eurpub/ckn141 article EN European Journal of Public Health 2009-01-17

Background: Little is known about the differential impact of comprehensive and partial smoke-free legislation on smoking cessation. This study aimed to examine workplace in Ireland England, hospitality industry Netherlands quit attempts success. Methods: Nationally representative samples 2,219 adult smokers were interviewed three countries as part International Tobacco Control (ITC) Europe Surveys. Quit success compared between period 1 (in which was implemented Netherlands) 2 England)....

10.1093/eurpub/ckr203 article EN European Journal of Public Health 2012-01-31

Aim: This study examines where vapers purchase their vaping refills in countries having different regulations over such devices, Canada (CA), the United States (US), England (EN), and Australia (AU). Methods: Data were available from 1899 current adult daily weekly who participated 2016 (Wave 1) International Tobacco Control Four Country Smoking Vaping. The outcome was location of supplies (online, vape shop, other). Adjusted odds ratios 95% confidence intervals reported for between country...

10.3390/ijerph16030338 article EN International Journal of Environmental Research and Public Health 2019-01-26

In Japan, the tobacco industry promotes heated products (HTPs) as a reduced-risk product. This study examines: (1) smokers' harm perceptions of HTPs relative to combustible cigarettes; (2) differences in between exclusive smokers and who use (concurrent users) concurrent users based on frequency product use; (3) if were exposed HTP advertising hold beliefs that are consistent with marketing messages lower harmfulness. cross-sectional included 2614 adult cigarette 986 reported their...

10.3390/ijerph17072394 article EN International Journal of Environmental Research and Public Health 2020-04-01

Abstract Introduction Little is known about the international impact of E-cigarette or Vaping-Associated Lung Injury (‘EVALI’) on youth perceptions vaping harms. Methods Repeat cross-sectional online surveys aged 16–19 years in England, Canada, and United States before (2017, 2018), during (2019 August/September), after (2020 February/March, 2020 August) ‘EVALI’ outbreak (N = 63380). Logistic regressions assessed trends, country differences, associations between exposure to negative news...

10.1093/ntr/ntac088 article EN cc-by Nicotine & Tobacco Research 2022-04-03

More than 100 countries have implemented pictorial health warnings on cigarette packages. However, few studies compared how consumers from different geographic and cultural contexts respond to warning content. The current study compares perceptions of among adult smokers youth in seven countries, examine the efficacy themes images.

10.1093/ntr/nty248 article EN Nicotine & Tobacco Research 2018-11-13

1. Chung-Hall J, Craig L, Gravely S, Sansone N, Fong GT. Impact of the WHO FCTC over first decade: A global evidence review prepared for Assessment Expert Group. Tob Control. 2018. doi:10.1136/tobaccocontrol-2018-054389. CrossRef Google Scholar

10.18332/tid/99881 article EN cc-by-nd Tobacco Induced Diseases 2018-12-12

Although evidence shows that co-use of cigarettes and cannabis is common, there little research examining if patterns vary depending on the regulatory environment for cannabis. This study examined perceptions relative harm among cigarette smokers in four countries with different histories, at stages legalization.

10.1016/j.drugpo.2020.102754 article EN cc-by-nc-nd International Journal of Drug Policy 2020-04-16

There is mixed evidence as to whether nicotine vaping products (NVPs) can help adults who smoke transition away from cigarettes. This study investigated if self-reported attempts quit smoking and cessation, over a period of either 18 or 24 months, differed between respondents initiated versus those did not. Outcome comparisons were made who: (1) vs. not; (2) daily non-daily (3) surveys continued vape at follow-up (daily non-daily) not initiate vaping.

10.1016/j.addbeh.2022.107339 article EN cc-by-nc-nd Addictive Behaviors 2022-04-28

The objective of the current investigation was to examine associations between symptomatic COVID-19 history, neurocognitive function, and psychiatric symptoms using cognitive task performance, functional brain imaging, a prospective population survey.

10.1016/j.bbih.2023.100595 article EN cc-by-nc-nd Brain Behavior & Immunity - Health 2023-01-23

Background: In their lifetime, every person will experience the loss of someone they care about. Canada, COVID-19 pandemic, ongoing opioid crisis, and discovery unmarked graves at residential schools have brought this into particular focus. Research theory in area grief evolved over years. Grief literacy challenges us to better understand support all aspects our society. The Public Health Model Bereavement Support was theorized tested Australia. supports people seek are explored model...

10.1177/26323524251334180 article EN cc-by-nc Palliative Care and Social Practice 2025-05-01
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