Mathieu Bélanger

Mathieu Bélanger
Université de Sherbrooke | UdeS · Department of Family Medicine

PhD (McGill University - Epidemiology)

About

136
Publications
25,917
Reads
How we measure 'reads'
A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text. Learn more
1,792
Citations
Introduction

Publications

Publications (136)
Article
Full-text available
Efforts to increase physical activity in youth need to consider which activities are most likely to be sustained over time in order to promote lifelong participation in physical activity. The Monitoring Activities of Teenagers to Comprehend their Habits (MATCH) study is a prospective cohort study that uses quantitative and qualitative methods to de...
Article
The objective of the study was to test the hypothesis that greater fluctuations in physical activity lead to greater increases in body fat during adolescence. Seven hundred fifty-six adolescents in Montreal, Canada, aged 12-13 years at baseline, completed a 7-d physical activity recall questionnaire every 3 months over 5 years. Body mass index (BMI...
Article
Full-text available
Better knowledge on why some individuals succeed in maintaining participation in physical activity throughout adolescence is needed to guide the development of effective interventions to increase and then maintain physical activity levels. Despite allowing an in-depth understanding, qualitative designs have infrequently been used to study physical...
Article
Objective: This commentary offers a discussion of the paper by Dumith et al. published in this issue of Preventive Medicine. Methods: We discuss the added value of the manuscript by Dumith et al. while acknowledging some limitations of the analyses. Results: We argue that there is a global and urgent need to take action against physical inacti...
Article
A majority of youth do not attain the recommended levels of physical activity. To develop interventions that will be more efficient at enabling healthy levels of physical activity during adolescence, a better understanding is needed about which specific types of physical activity adolescents are more likely to sustain and when they tend to stop par...
Preprint
BACKGROUND Exergaming may be an important option to support an active lifestyle during the COVID-19 pandemic. OBJECTIVE The objectives of this study were to: (i) explore whether change in exergaming status (stopped, started, stable and never exergamed) from before to during the pandemic related to change in walking or moderate-to-vigorous physical...
Article
Full-text available
Physical activity (PA) motives are associated with both moderate‐to‐vigorous intensity PA (MVPA) and mental health. Studies examining whether PA motives relate directly to mental health or indirectly through MVPA are lacking. This study examined the direct effect of five PA motives (i.e., enjoyment, competence, fitness, social, appearance) on menta...
Article
Purpose: Commonly held hypotheses in practice suggest that compared to single-sport participation, multi-sport participation is associated with higher physical activity (PA) levels and health benefits in the long term. To verify this in the general population, we identified sport participation trajectories during adolescence and examined their ass...
Article
Beverages contribute substantially to daily energy and nutrient intakes. However, little is known about the co-development of beverage consumption throughout adolescence. This study aimed to investigate the presence of naturally occurring sub-groups of girls and boys following distinct trajectories of various types of beverage consumption (i.e. sug...
Article
Full-text available
Introduction We assessed change in substance use from before to during the COVID-19 pandemic in young adults and identified factors associated with initiation/increase in use. Methods The sample comprised young adults from a longitudinal investigation of 1294 youth recruited at ages 12-13 (1999-2000) in 10 Montréal-area high schools. Pre-pandemic...
Article
We examined whether changes in social context (i.e., frequency with which youth engage in physical activity [PA] alone, with teammates, with friends, with siblings, or with parents/grandparents) is associated with change in moderate-to-vigorous intensity PA (MVPA) across Grades 5–8 and Grades 8–11 (N = 938). Data were self-reported annually. Across...
Article
Full-text available
We examined change in walking, moderate-to-vigorous physical activity (MVPA) and meeting MVPA guidelines from before to during the COVID-19 pandemic, and identified factors associated with newly meeting and no longer meeting MVPA guidelines during the pandemic. Complete data were available for 614 young adults participating in the ongoing Nicotine...
Article
Background: There is a need for better alignment between research on sport and physical activity and the needs of those who are in a position to implement the findings. To facilitate advancement and alignment, we identified the top research priorities of sport and physical activity knowledge users from various sectors. Methods: For this priority...
Article
Full-text available
Notwithstanding their wide-spread use, it is unclear what level of empirical evidence exists to support sport participation and physical activity-based models. Sport participation and physical activity-based models characterize different stages of sport involvement based on sport activities (organized and unorganized) individuals take part in throu...
Chapter
The Pediatric Collections: Sports Medicine Playbook will increase pediatric providers’ understanding of the injuries that young athletes may incur – including their history, treatment, and prevention. Each section includes a unique expert introduction and they cover such topics as the benefits of physical activity, injuries, and concerns including...
Article
Background: Physical activity (PA) guidelines for adults recommend participation in aerobic activities of moderate-to-vigorous intensity and a minimum of two sessions of resistance training (RT) weekly. These guidelines account for a small amount of the total PA energy expenditure and include no recommendation for low intensity activities (sleeping...
Article
Full-text available
Background: Although participation of patients is essential for completing the training of medical residents, little is known about the relationships among patients' level of knowledge about the role and responsibilities of medical residents, their confidence in residents' abilities, and their acceptance toward receiving care from residents. The s...
Article
Full-text available
Context Interventions for people with multimorbidity have obtained mixed results. We aimed to document the long-term effect of an intervention for people with multimorbidity. Methods 284 patients (18–80 years) presenting three or more chronic conditions were recruited from seven family medicine groups in the Saguenay-Lac St-Jean region, Quebec, Ca...
Article
This study examined the longitudinal associations between five physical activity (PA) motives and moderate-to-vigorous PA (MVPA) across a 5-year period spanning late childhood to middle adolescence. METHODS: Data (n = 937; 55% girls; mean age = 10.33 years) were drawn from the Monitoring Activities for Teenagers to Comprehend their Habits study. PA...
Article
Full-text available
We examined relationships between pattern of team sport participation during the transition from adolescence to young adulthood (i.e., non‐participants, initiators, discontinuers, sustainers) and indicators of mental health. Data on team sport participation and mental health from high school to young adulthood were drawn from the longitudinal NDIT...
Article
Full-text available
Objectives This study aimed to investigate the presence of sub-groups of boys and girls presenting different trajectories of multiple eating behaviours (i.e., consumption of vegetables and fruits, sugary beverages, breakfast and fast food) throughout adolescence. Methods Data from seven cycles of the MATCH study, which followed 744 participants fr...
Article
The study aimed at documenting motivational orientations for the regulation of eatingas defined by self-determination theory and their association with sociodemographic characteristics and overall diet quality. As part of the PREDISE study, French-speaking women (n = 550) and men (n = 547), aged 18–65 years, living in the Province of Québec, Canada...
Article
Full-text available
Adolescence represents a critical transition phase during which individuals acquire eating behaviours that can track into adulthood. This study aims to characterise trends in eating behaviours throughout adolescence by investigating the presence of sub-groups of individuals presenting distinct trajectories of vegetable and fruit, sugary beverage, b...
Article
Background Associations between sugar consumption and cardiometabolic health, taking into account the physical form of sugar-containing foods (liquid vs. solid) and the type of sugars consumed [free sugars (FSs) vs. naturally occurring sugars (NOSs)], remain to be thoroughly documented. Objective The objective was to examine whether FS and NOS int...
Article
Full-text available
Background Social factors are important determinants of youth physical activity (PA), but the longitudinal association between parental behaviours and adolescent PA has not been clearly assessed. This prospective study examined average and lagged associations between perceived parental support and control with adolescents’ moderate to vigorous PA (...
Article
Background: Autism is a developmental disability that affects how individuals experience the world. Each Autistic individual experiences Autism in their own way, meaning that the level and type of assistance in their everyday lives vary widely. A shortage of programs and services tailored to Autistic adults exists worldwide, and the current gap bet...
Article
Full-text available
PURPOSE To measure the effectiveness of a 4-month interdisciplinary multifaceted intervention based on a change in care delivery for patients with multimorbidity in primary care practices. METHODS A pragmatic randomized controlled trial with a mixed-methods design in patients aged 18 to 80 years with 3 or more chronic conditions from 7 family medic...
Article
Full-text available
Background Physical activity recommendations for aging adults do not account for possible benefits of light-intensity physical activity on physical function. The purpose of this study was to assess if a sum of all physical activities (regardless of intensity) related to physical function for aging adults, independent of physical activity guidelines...
Article
Full-text available
Online training may be a more effective and sustainable way to reach educators in early childcare centres (ECCs). This study compared the effectiveness of an online version of the Healthy Start-Départ Santé (HSDS) training to the traditional in-person version of the training as well as to the usual practice condition on ECC educators’ healthy eatin...
Article
Background: Team sport participation contributes to positive outcomes, including increased physical activity, better mental health, and enhanced social engagement. However, longitudinal studies show that team sport participation during adolescence is also associated with unhealthy lifestyle habits, including harmful substance use behaviors. Our obj...
Article
Adolescents often report low moderate-to-vigorous physical activity (MVPA) and high screen time. We modeled sex-specific MVPA and screen time trajectories during adolescence and identified contemporaneous patterns of evolution. Data were drawn from two longitudinal investigations. NDIT included 1294 adolescents recruited at age 12-13 who completed...
Article
Full-text available
Background: There are over 12,000 professional truck drivers in the Canadian Maritime provinces, with the majority being in New Brunswick and Nova Scotia. Previous studies have focused on the health of Canadian and American truck drivers but the occupational health status of truck drivers in the Maritime Provinces remains undocumented. Objective:...
Article
Full-text available
Background: Little research describes the everyday challenges and needs of autistic adults. In order to fill this data gap, the CONtiNuity of carE and support for autistiC adulTs (CONNECT) project set out to learn about the health and well-being of autistic adults as well as their service and support needs. To do so, CONNECT welcomed autistic adul...
Article
The research aimed at examining how liking for foods high in salt and fat and for foods high in sugar are associated with overall diet quality and how these associations differ according to individual characteristics (i.e., sex, age, education, income, nutrition knowledge, and energy reporting status) in French-speaking adults from the Province of...
Article
Purpose To assess how nutrition knowledge is associated with global diet quality and to investigate whether sociodemographic characteristics (ie, sex, age, education, income, marital status, and living with children or not) moderate this association. Design Cross-sectional web-based study. Participants The PREDISE study aims at identifying correl...
Article
Full-text available
Purpose: Canada was the first to adopt comprehensive 24-h movement guidelines that include recommendations for physical activity, screen time and sleep to promote health benefits. No studies have investigated the concurrent development of these behaviours in youth. The objectives were to assess adherence to the Canadian 24-h movement guidelines fo...
Article
Full-text available
Background: Statins and exercise are recommended for managing hypercholesterolemia. However, statin types may vary in their interaction with exercise. We compared rosuvastatin versus atorvastatin combination with exercise on lipid profile and functional capacity. Methods: A retrospective cohort study using data from a 12-week cardiovascular reha...
Article
Full-text available
Background: Since young children spend approximately 30 h per week in early childcare centres (ECC), this setting is ideal to foster healthy behaviours. This study aimed to assess the effectiveness of the Healthy Start-Départ Santé (HSDS) randomized controlled trial in increasing physical activity (PA) levels and improving healthy eating and funda...
Article
Objective: To synthesize knowledge regarding the effect of health care provider-delivered physical activity interventions on cancer survivors' physical activity behaviour. Methods: Ten electronic databases were searched for articles reporting on the effect of health care provider-delivered physical activity interventions on cancer survivors' phy...
Article
Full-text available
Background: Physical activity (PA) can promote mental health, but the mechanisms underpinning this association are not well-established. This study examined if perceptions of three basic psychological needs (autonomy, competence, relatedness) and moderate-to-vigorous physical activity (MVPA) mediate the association between number of years participa...
Article
Full-text available
The objectives were to assess whether social support for healthy eating and perceived food environment are associated with diet quality, and to investigate if sociodemographic characteristics moderate these associations. A probability sample of French-speaking adults from the Province of Québec, Canada, was recruited in the context of the PREDISE s...
Preprint
Full-text available
BACKGROUND Motives for participation in physical activity (PA) have been associated with moderate-to-vigorous intensity PA (MVPA); however, these associations have yet to be established during the transition from childhood to adolescence. This study examined the longitudinal associations between five PA motives (i.e., enjoyment, competence, fitness...
Article
Full-text available
Both spending time outdoors and participating in physical activity improve mental health. Given that the outdoor environment provides an ideal location for physical activity, better understanding of the relationships among time spent outdoors, physical activity and positive mental health is needed to help guide interventions. The aim was to examine...
Preprint
Background: Since young children spend approximately 30 hours per week in early childcare centres (ECC), this setting is ideal to foster healthy behaviors. This study aimed to assess the effectiveness of the Healthy Start-Départ Santé (HSDS) randomized controlled trial in increasing physical activity (PA) levels and improving healthy eating and fun...
Preprint
Full-text available
Background: Since young children spend approximately 30 hours per week in early childcare centres (ECC), this setting is ideal to foster healthy behaviors. This study aimed to asses the effectiveness of the Healthy Start-Départ Santé (HSDS) randomized controlled trial in increasing physical activity (PA) levels and improving healthy eating and fund...
Article
Full-text available
Background: The preferred ambulatory IV therapy for cellulitis is often once-daily cefazolin combined with once-daily oral probenecid (C+P). However, due to a national probenecid drug shortage in 2011, our centre developed a replacement protocol for the administration of cefazolin continuous infusion (CCI) using elastomeric infusers. Our goal was t...
Article
Background: Evidence on physical activity (PA) indicators for children and youth at a national level is necessary to improve multilevel support for PA behaviors. Lebanon's first Physical Activity Report Card for children and youth (2018) aimed to fill this gap. Methods: In line with the recommended methods of "Global Matrix 3.0," nationally represe...
Article
Background and aims: The "Life's Simple 7" (LS7) metrics were developed by the American Heart Association (AHA) to assess and promote cardiovascular health in the American population. The purpose of this study was to assess the overall cardiovascular health of French-speaking adults from the Province of Quebec using the LS7 score. Methods and res...
Article
Full-text available
Objective To evaluate the impact of the combination of metformin and exercise on changes in glycated hemoglobin (HbA1c), functional capacity, the lipid profile, quality of life, and weight. Methods Data from a 12-week cardiovascular rehabilitation program (2014–2016) were retrospectively evaluated. Metformin exposure was determined through recorde...
Article
Full-text available
Background: Sport participation promotes mental health and prevents mental illness. However, the association between specific sport profiles and mental health has not been examined. We investigate the longitudinal association between number of years with a recreational or performance sport profile and mental health during adolescence, and whether t...
Article
Full-text available
Background: Regular monitoring of the population's food and nutrient intake is essential to develop effective nutrition-focused public health policies. The aim of this study was to provide dietary intake estimates using an age- and sex-representative sample of French-speaking adults with Internet access from 5 administrative regions in the province...
Article
Purpose Active school transportation (AST) is an important source of physical activity, but it remains unclear how it varies across seasons and over time from childhood to adolescence. In this longitudinal study, we investigated seasonal variations and changes over time in AST and moderate- to vigorous-intensity physical activity (MVPA). Methods C...
Article
Full-text available
Introduction: Learners’ perceptions of feedback can significantly undermine its impact. Consequently, some feedback has been known to fall on deaf ears. At times when stress is heightened, however, feedback may hold value for both learning purposes and reassurance. Because stress and uncertainty are intensified during the steep transition from medi...
Article
Full-text available
Introduction: Administrative health data (AHD) are typically not analyzed to produce evidence on the effectiveness and limitations of primary prevention programs and strategies. The value of AHD for answering research questions is generally recognized, but the challenges in accessing and using these data for research are not always know and documen...
Article
Full-text available
Introduction: Early-life prevention of chronic diseases is crucial to a healthy adulthood. However, evidence is often lacking to assess the effectiveness of early intervention programs, partly because of failure to make use of existing data. This project aims to capitalize on existing administrative data in two provinces to address this gap. Objec...
Article
Life stresses (LS) could affect levels of physical activity (PA) during adolescence, however research is limited. As different types of PA may have different determinants, the effects of LS on participation in moderate-to-vigorous PA (MVPA) and on organized and unorganized PA (OPA, UPA) were examined in a sample of 937 students (10-11 years-old) fo...
Conference Paper
Objective: Leisure time physical activity (PA) and sport participation can promote mental health and prevent mental illness. However, the PA practices of performance athletes (who specialize in one sport, train intensely for many hours, over-train and who experience high levels of competitiveness) may threaten mental health. At the other extreme, y...
Article
Full-text available
Background Prevention of childhood obesity is a key approach to the primary prevention of noncommunicable diseases. Several models, based on the population health approach and aligned with ecological models, are used to design childhood obesity prevention programs around the world. Objective This study aims to introduce the design and evaluation p...
Article
Background The Healthy Start-Départ Santé intervention was developed to promote physical activity, gross motor skills and healthy eating among preschoolers attending childcare centers. This process evaluation aimed to report the reach, effectiveness, adoption, implementation and maintenance of the Healthy Start-Départ Santé intervention. Methods T...
Article
Full-text available
Background: It is not clear whether socioeconomic status influences health outcomes among older adults through its effect on physical activity. The aim of this study was to assess the effect of sex and neighborhood socio-economic status on the change in health related quality of life (HR-QOL) as a function of physical activity over a three-year pe...
Data
Model syntax for each level of invariance and median, skewness and kurtosis values.
Article
Full-text available
We examined if screen time can be assessed over time when the measurement protocol has changed to reflect advances in technology. Beginning in 2011, 929 youth (9-12 years at time one) living in in New Brunswick (Canada) self-reported the amount of time spent watching television (cycles 1-13), using computers (cycles 1-13), and playing video games (...
Article
Objectives: We aimed to increase understanding of the link between sport specialization during childhood and adolescent physical activity (PA). The objectives were as follows: (1) describe the natural course of sport participation over 5 years among children who are early sport samplers or early sport specializers and (2) determine if a sport part...
Article
p> OBJECTIVES: Childcare centres (CCs) typically offer one meal and snacks daily. This study compared what is served in CCs with what the nutritional recommendations are; described and compared the nutritional composition of lunches served in CCs in New Brunswick and Saskatchewan; and examined differences between French and English, and urban and r...
Article
Purpose: We investigated whether type of physical activity (PA) (sports, running, fitness/dance) engaged in during adolescence is associated with body composition in late adolescence or early adulthood. Methods: Data were drawn from 631 participants in the Nicotine Dependence in Teens study, a prospective investigation of students ages 12-13 yea...
Article
Objective: To evaluate efficacy of a minimal surface area, vaginally-installed polypropylene tape (VPT), avoiding insertion on the incision line to treat an anterior, posterior or anteroposterior vaginal wall prolapse. Study design: Patients with an anterior, posterior or anteroposterior vaginal wall prolapse waiting for surgical treatment were...