Lise Gauvin

Lise Gauvin
Centre hospitalier de l'Université de Montréal (CHUM) | CHUM · Centre de recherche/Université de Montréal

About

306
Publications
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Introduction

Publications

Publications (306)
Article
Historique Même si les facteurs sociodémographiques sont liés à l’infection par le SRAS-CoV-2 et aux hospitalisations chez les adultes, peu de données portent sur l’association entre ces caractéristiques et les hospitalisations attribuables au SRAS-CoV-2 chez les enfants. La présente étude visait à déterminer l’association entre la défavorisation m...
Article
Background Although sociodemographic factors have been linked with SARS-CoV-2 infection and hospitalizations in adults, there are little data on the association between sociodemographic characteristics and SARS-CoV-2-related hospitalization in children. The objective of this study was to determine the association between area-level material depriva...
Preprint
Background Multisectoral approaches to health are collaborations between stakeholders across multiple sectors, usually formed to combat issues that affect health but go beyond the purview of one particular sector. The significance of multisectoral partnerships to attain health equity has been widely acknowledged. However, the extent which equity ca...
Article
Full-text available
Background Walkability is a popular term used to describe aspects of the built and social environment that have important population-level impacts on physical activity, energy balance, and health. Although the term is widely used by researchers, practitioners, and the general public, and multiple operational definitions and walkability measurement...
Article
The adoption and maintenance of healthy behaviours including age-appropriate amounts of physical activity, limited sedentary and screen time, and healthy eating are the foundations for youth development and thriving. In reviewing extant evidence, we observe that the COVID-19 pandemic has been associated with marked reductions in physical activity,...
Article
This ecological momentary assessment (EMA) study examined the extent of pain intensity variability among 140 individuals with chronic low back pain and explored predictors of such variability and psychosocial and health care utilization outcomes. Individuals completed momentary pain intensity reports (0–10 numeric rating scale) several times daily...
Article
Full-text available
Communication campaigns can contribute to promoting physical activity (PA) among children. However, health inequalities can ensue from this type of public health intervention. Using a pre-test posttest design, we examined the effects of social disadvantage on the large-scale WIXX communication campaign and whether or not social disadvantage moderat...
Article
Background Little is known about how socioeconomic circumstances relate to injection frequencies among people who inject drugs (PWID) with diverse trajectories of injection. We aimed to characterize trajectories of injection drug use in a community-based sample of PWID over 7.5 years and to investigate the extent to which two modifiable factors ref...
Article
Objective Multisectoral partnerships (MPs) are increasingly viewed as an excellent strategy for promoting population health, although the Canadian evidence on MPs remains scant. The objective of this research was to identify enablers and barriers to multisectoral collaboration across three MPs (focused on food systems, urban development, and active...
Article
Over the past few months, our fellow citizens have heard more about public health than ever before. The SARS-CoV-2 pandemic has shed light on the vital role played by public health for health protection and provided telling evidence about current public health capacity as well as the corrective measures to be taken and milestones to be achieved in...
Article
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Introduction The epidemic of non-communicable diseases including cardiovascular diseases and type 2 diabetes is attributable in large part to unhealthy eating and physical inactivity. In the fall of 2016, the Québec government launched its first-ever Government Health Prevention Policy (Politique gouvernementale de prévention en santé (PGPS)) to in...
Article
Objective: Identifying modifiable predictors of outcomes following treatment for eating disorders may help to tailor interventions to patients' individual needs, improve treatment efficacy, and develop new interventions. The goal of this meta-analysis was to quantify the association between pretreatment motivation and posttreatment changes in eati...
Article
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A docked public bicycle share program (PBSP) makes bicycles available to the public. There is limited evidence on the impact of PBSPs on safety. We estimated the impacts of implementing a PBSP on the likelihood of bicycle crashes using a difference in differences approach with repeated cross-sectional survey data (self-reported crashes) collected i...
Article
Background Various provincial colorectal cancer screening programs have been implemented in Canada but have yet to be evaluated. Objective We examined the effects of patient-reliant and systematic organized colorectal screening programs on colorectal cancer screening uptake and on screening inequalities by income, education, rural residence, and a...
Article
Introduction: Young adults have the highest prevalence of smoking among all age groups in most industrialized countries, and exhibit great variability in smoking behaviour. Differences in associations between features in residential environments and smoking initiation, prevalence, and cessation have been extensively examined in the literature. Non...
Article
Background: This study aims to quantify associations between one's weight management goal and eating behaviors and physical activity among teenagers. Methods: Weighted logistic regressions were performed predicting healthy behaviors from weight goal separately for boys and girls while controlling for age, body mass index, socioeconomic indicator...
Article
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Background: Despite rapid expansion of public bicycle share programs (PBSP), there are limited evaluations of the population-level impacts of these programs on cycling, leaving uncertainty as to whether these programs lead to net health gains at a population level or attract those that already cycle and are sufficiently physically active. Our obje...
Article
Objective: Although hospitalization is sometimes necessary when treating individuals with anorexia nervosa, the available literature provides limited guidance to inform decisions surrounding optimal components or duration of inpatient treatments. We report observational data comparing outcomes of two inpatient treatments. The first was longer and...
Article
Bicyclist categorizations have been developed to sort individuals into distinct groups based on shared traits, which can help researchers and practitioners understand complex patterns of bicycling behavior. Previous categorizations have focused on bicycle facility comfort, seasonal patterns of use, and behaviors and attitudes, but not on readiness...
Article
Safety concerns are a primary deterrent to bicycling. Bicycle infrastructure is both preferred and safer for bicycling. In this paper, we examine the association between availability of bicycle infrastructure and perceptions of bicycling safety amongst over 3000 bicyclists living in six large Canadian and US cities. In three repeat cross-sectional...
Article
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Background: Opioid agonist treatment is considered important in preventing acquisition of hepatitis C virus (HCV) among people who inject drugs; however, the role of dosage in opioid agonist treatment is unclear. We investigated the joint association of prescribed dosage of opioid agonist treatment and patient-perceived dosage adequacy with risk o...
Article
Background: Evidence regarding the impact of physical activity (PA) communication campaigns among children is scarce. This study was aimed at examining the reach of the WIXX campaign and its impact on children's PA beliefs and behaviors. Methods: This study adopted a pre-posttest design. Children (9-13 y old) were recruited using a random digit dia...
Article
Young adults have the highest prevalence of smoking among all age groups. Studies have shown associations between presence/density of tobacco retail and presence of smoker accommodation and smoking prevalence. However, little is known about their potential to influence different smoking patterns including initiation, maintenance, or cessation. This...
Article
Introduction Promoting active transport offers the potential to increase population physical activity levels. Compensation theories state that above-average physical activity in one activity is compensated in later activities; a mechanism that results in stable levels of total physical activity. Little is known about possible compensation of transp...
Article
Background: This study explored state-related tendencies in DNA methylation in people with anorexia nervosa. Methods: We measured genome-wide DNA methylation in 75 women with active anorexia nervosa (active), 31 women showing stable remission of anorexia nervosa (remitted) and 41 women with no eating disorder (NED). We also obtained post-interventi...
Article
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Background Urban form interventions can result in positive and negative impacts on physical activity, social participation, and well-being, and inequities in these outcomes. Natural experiment studies can advance our understanding of causal effects and processes related to urban form interventions. The INTErventions, Research, and Action in Cities...
Article
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Public bicycle share programs have been implemented in cities around the world to encourage bicycling.However, there are limited evaluations of the impact of these programs on bicycling at the population level. This study examined the impact of a public bicycle share program on bicycling amongst residents of Vancouver, BC. Using an online panel, we...
Article
According to Self‐Determination Theory, when motivation to reach an objective is fully internal, it is said to be “autonomous”; when driven by external incentives, it is said to be “controlled”. Previous research has indicated that autonomously motivated individuals show better response to treatments for eating disorders. Objective In individuals...
Article
The objective of this study was to determine whether the relationship between income and leisure-time physical activity (LTPA) persists after accounting for a person's utilitarian PA (all non-LTPA), sociodemographic characteristics and transportation PA. Data were from eight cycles (1999-2014) of the nationally representative samples of the US adul...
Article
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Introduction Bicycling is promoted as a transportation and population health strategy globally. Yet bicycling has low uptake in North America (1%–2% of trips) compared with European bicycling cities (15%–40% of trips) and shows marked sex and age trends. Safety concerns due to collisions with motor vehicles are primary barriers. To attract the broa...
Article
Objectives: To favour the dissemination and the implementation of the WIXX multimedia communication campaign, the aim of this study was to examine practitioners' beliefs towards the integration of the WIXX campaign activities into daily practice. Study design: An exploratory qualitative study. Methods: Overall, 58 community-based practitioners...
Article
Background: Since public transit infrastructure affects road traffic volumes and influences transportation mode choice, which in turn impacts health, it is important to estimate the alteration of the health burden linked with transit policies. Objective: We quantified the variation in health benefits and burden between a business as usual (BAU)...
Article
Full-text available
Background The potential spatial access to urban health services is an important issue in health geography, spatial epidemiology and public health. Computing geographical accessibility measures for residential areas (e.g. census tracts) depends on a type of distance, a method of aggregation, and a measure of accessibility. The aim of this paper is...
Article
Objective: Across diverse clinical problems, therapists' autonomy support has been found to increase patients' autonomous motivation for change. Being self-motivated has, in turn, been linked to superior treatment response. In people undergoing outpatient eating disorder (ED) treatment, we examined associations among ratings of autonomy support re...
Poster
Full-text available
Purpose: Public bikeshare systems have the potential to increase physical activity levels by shifting trips from motorized transportation towards active travel. Quantifying mode shifts is one way to assess the impacts of bikeshare on physical activity. Many studies use a general transportation question: “As a result of bikeshare, do you use your ca...
Article
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Background: Eating Disorders are highly prevalent and widespread mental health problems, with marked risk of chronicity and refractoriness to treatment. Affected individuals are hesitant to change their behaviours and therefore struggle to maintain motivation for therapy. This review aims to produce the first high-quality meta-analysis of the lite...
Article
To examine the short-term impact of the WIXX multimedia communication campaign on children’s physical activity (PA) beliefs and behaviors, 3 repeated cross-sectional telephone surveys were conducted before, 9 months after, and 21 months after the launch of the campaign. A random-digit dialing procedure was used to recruit children ages 9 to 13 year...
Article
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Background: Converging international evidence suggests that diabetes incidence is lower among adults living in more walkable neighbourhoods. The association between walkability and physical activity (PA), the presumed mediator of this relationship, has not been carefully examined in adults with type 2 diabetes. We investigated the associations of...
Article
Objectives: The relationships between local food environments and dietary patterns are important for older adults and could be different in men and women. We examined associations between exposure to neighbourhood food sources and food consumption and the moderating role of diet knowledge separately among older women and men living in Montreal in...
Article
This study examined factors associated with children's and parents' recall of a communication campaign aimed at promoting children's physical activity. A cross-sectional population-based telephone survey was conducted among 1001 children and their parents. Respondents were recruited through a random digit dialing procedure. Respondents' recall of t...
Article
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Background Given the challenges of aging populations, calls have been issued for more sustainable urban re-development and implementation of local solutions to address global environmental and healthy aging issues. However, few studies have considered older adults’ daily mobility to better understand how local built and social environments may cont...
Article
Substance abuse is common in individuals with bulimia-spectrum (binge-purge) eating disturbances, a co-occurrence that has been attributed to shared neurobiological substrates--notably alterations in dopaminergic activity. We examined the implications of variations of selected, dopamine-relevant polymorphisms (DRD2 Taq1A, DRD4 7R, and COMT) for ris...
Article
Full-text available
Young adults have the highest prevalence of smoking amongst all age groups. Significant uptake occurs after high school age. Although neighborhood exposures have been found to be associated with smoking behavior, research on neighborhood exposures and the smoking trajectories among young adults, and on the role of geographic scale in shaping findin...
Article
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Few studies consider how risk factors within multiple levels of influence operate synergistically to determine childhood obesity. We used recursive partitioning analysis to identify unique combinations of individual, familial, and neighborhood factors that best predict obesity in children, and tested whether these predict 2-year changes in body mas...
Article
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Background Many systematic reviews have evaluated the effectiveness of interventions to prevent, delay, or decrease frailty symptoms, but no effort has been made to identify, map, and synthesize the findings from reviews across the full spectrum of interventions. Our objectives are to (1) synthesize findings from all existing systematic reviews eva...
Article
This study examined individual and collective factors as predictors of change in global diet quality (DQ). Subjects were 373 older adults (57 % female) aged 68-82 years at recruitment (T1) into the NuAge Cohort Study, and followed for three years. Data were collected by questionnaires, physical performance tests and anthropometric measurements. Die...
Article
The identification of correlates and moderators of physical activity (PA) among parents and their children can support the development of more effective interventions. The aims of this study were to identify individual- and family-level predictors of PA among parent-tween dyads and to examine the moderating role of socio-economic status (SES) on th...
Article
Researchers and practitioners are increasingly interested in public bicycle share programs (PBSP). Greater PBSP use promotes health benefits through increased physical activity yet financial costs and distant location of docking stations are barriers to PBSP uptake and reach of health promoting amenities is poorer among lesser educated individuals....
Article
Background Walking has been associated with lower depressive symptoms. However, walking may be performed for different purposes and there is uncertainty regarding the optimal amount (duration and frequency) of walking among older adults. Objectives 1) To investigate whether walking for fitness purposes and walking for purposes other than fitness a...
Article
With increasing recognition of the potential and accrued benefits for mobility, health, and the environment, public bikeshare programs are growing in popularity globally. Any city planning to launch a program will be keenly interested in understanding who may use it to enable strategic marketing that will facilitate quick uptake and adoption. The d...
Article
Objective: To examine the degree of awareness and understanding of a multimedia communication campaign (WIXX) aimed at promoting physical activity among tweens (9-13years old) during the early phases of campaign implementation. Methods: This study adopted a repeated posttest-only design. Two cross-sectional web-based surveys were conducted in Qu...
Article
Full-text available
Background: Few international studies examine public bicycle share programs (PBSP) health impacts. We describe the protocol for the International Bikeshare Impacts on Cycling and Collisions Study (IBICCS). Methods: A quasi-experimental non-equivalent groups design was used. Intervention cities (Montreal, Toronto, Boston, New York and Vancouver)...
Article
Accessibility to services and amenities is related to social participation in older adults. However, the mechanisms underlying this association are not clear. Transit use and walking may be potential mediating variables. The aim of this study was to investigate whether frequency of transit use and frequency of walking mediated the relationship betw...
Article
Simultaneously advocating for sustainable development and promoting population health seems synergistic but few integrated interventions have been studied. We developed a logic model for the Montréal Quartiers 21 Program and assessed awareness of the Program among Montreal residents.
Article
Objective: This study examines associations between area deprivation and perceived neighbourhood safety with active transport to school among preadolescents living in urban Quebec. Methods: A sample of 809 preadolescents aged 9 to 13 years and one each of their parents living in urban Quebec were recruited by a polling firm for a telephone inter...
Article
This natural experiment examines the effect of a public bicycle share program on cognitions and investigates the moderating influence of socioeconomic status on this effect. Two cross-sectional population-based surveys were conducted. Intention and self-efficacy to use the public bicycle share program were assessed by questionnaire. A difference-in...
Article
1) To describe grassroots projects aimed at the built environment and associated with active transportation on the Island of Montreal; and 2) to examine associations between the number of projects and indicators of neighbourhood material and social deprivation and the built environment. We identified funding agencies and community groups conducting...
Article
Full-text available
Background Childhood poverty is associated with poorer food consumption but longitudinal data are limited. The objective was to assess if food consumption differs depending on age (6, 7, 10 and 12 years) and pattern of poverty. Methods Participants were from the 1998–2010 ‘Quebec Longitudinal Study of Child Development’ birth cohort. Poverty was de...
Article
Background: Favorable public opinion and support for policies are essential to favor the sustainability of environmental interventions. This study examined public perceptions and support for active living policies associated with implementing a public bicycle share program (PBSP). Methods: Two cross-sectional population-based telephone surveys w...
Article
Background Two thirds of the U.S. population is overweight or obese, but those living in poverty are disproportionately affected. Although 30%−50% of Americans report currently trying to lose weight, some strategies may be counterproductive. Little is known about how income may be associated with weight-loss strategies. Purpose This study aims to...
Article
DNA methylation allows for the environmental regulation of gene expression and is believed to link environmental stressors to such mental-illness phenotypes as eating disorders. Numerous studies have shown an association between Bulimia Nervosa (BN) and variations in Brain-Derived Neurotrophic Factor (BDNF). BDNF has also been linked to Borderline...
Article
Full-text available
Birth Preparedness and Complication Readiness (BPCR) interventions are widely promoted by governments and international agencies to reduce maternal and neonatal health risks in developing countries; however, their overall impact is uncertain, and little is known about how best to implement BPCR at a community level. Our primary aim was to evaluate...
Article
Canada has experienced a substantial reduction in mortality related to cardiovascular disease (CVD). There is a general consensus that more effective and widespread health promotion interventions may lead to further reductions in CVD risk factors and actual disease states. In this paper, we briefly outline the prevalence of selected risk factors fo...
Article
Cross-sectional studies show that walking is associated with depression among older adults, but longitudinal associations have rarely been examined. The aim of this study was to investigate longitudinal associations between walking frequency and depressive symptoms in older adults to determine which variable is the stronger prospective predictor of...
Article
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The World Health Organization recommends birth and emergency preparedness (BEP) as essential components of the Focused Antenatal Care model. The purpose of providing BEP messages to women during their antenatal visits is to increase the use of skilled attendance at childbirth. However, the effectiveness of this component has not yet been clearly es...
Article
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Childhood poverty heightens the risk of obesity in adulthood, but the age at which this risk appears is unclear. We analysed the association between poverty trajectories with body mass index (BMI) Z-scores or the risk of being overweight or obese across four ages (6 years, 8 years, 10 years and 12 years) in childhood. Data were from the 1998-2010 '...
Article
Full-text available
Place and health researchers are increasingly interested in integrating individuals' mobility and the experience they have with multiple settings in their studies. In practice, however, few tools exist which allow for rapid and accurate gathering of detailed information on the geographic location of places where people regularly undertake activitie...
Article
Fear of falling, a frequent fear among community-dwelling seniors, can interfere with their activity level and social participation and negatively impact on their health and quality of life. Thus, it is an important factor to consider by occupational and physical therapists involved with this population. Based on the most recent studies in this fie...
Article
The association between adequate treatment for a Major Depressive Episode (MDE) and improvements in depressive symptoms is not well established in naturalistic practice conditions. The main objective of this study was to examine the association between receiving at least one minimally adequate treatment for MDE (i.e. according to clinical guideline...