Mark S. Tremblay's research while affiliated with Carleton University and other places

Publications (782)

Article
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Background Prolonged periods of sedentary behaviour, for instance, engendered by home confinement in Shenzhen city, has led to negative mental health consequences, especially in adolescents. Previous research suggests, in general, that sedentary behavior can increase negative emotions. However, the specific mechanism driving the relationship betwee...
Article
Objective The American Academy of Pediatrics recommends developmental surveillance and screening in early childhood in primary care. The 18-month visit may be an ideal time for identification of children with delays in language and communication, or symptoms of autism spectrum disorder (ASD). Little is known about the predictive validity of develop...
Article
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Background The measurement of physical fitness has a history that dates back nearly 200 years. Recently, there has been an increase in international research and surveillance on physical fitness creating a need for setting international priorities that could help guide future efforts. Objective This study aimed to produce a list of the top 10 inte...
Article
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Limitations in the use of public spaces have impacted the frequency and duration of movement behaviours (physical activity, sedentary behaviour, sleep) and outdoor activities of children and adolescents. Whether pandemic-induced changes in movement behaviours are related to the health-related quality of life (HRQoL) of children and adolescents is u...
Article
Background The Canadian 24-hour movement behavior (24-HMB) guidelines suggest that a limited amount of screen time use, an adequate level of physical activity (PA), and sufficient sleep duration are beneficial for ensuring and optimizing the health and quality of life (QoL) of children and adolescents. However, this topic has yet to be examined for...
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Heterogeneity of descriptors and outcomes measured and reported in sedentary behaviour (SB) research hinder the meta-analysis of data and accumulation of evidence. The objective of the Core Research Outcomes for Sedentary Behaviour Interventions (CROSBI) consensus study was to identify and validate, a core outcome set (COS) to report (what, how, wh...
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Aim International comparisons of public health measures relative to observed best practice are increasingly important for evaluating community health promotion strategies and policies such as meeting or not meeting public health guidelines. This study aimed to identify methods enabling robust evaluation with such binary effect measures at a populat...
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Background: Adolescents with obesity have lower academic performance, but little is known about the association between body weight in early childhood and school readiness. The objective was to examine the association between age- and sex-standardized body mass index (zBMI) and body weight status and school readiness in young children. Methods: A p...
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Background The importance of muscular fitness (MF) in the performance of activities of daily living is unequivocal. Additionally, emerging evidence has shown MF can reduce cardiometabolic risk in children and adolescents. Objectives The purpose of this study was to examine and summarize the evidence regarding the relationship between MF phenotypes...
Article
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Background Physical literacy (PL) is a multi-dimensional concept that provides a holistic understanding of movement and physical activity. PL contains an affective, a physical, and a cognitive domain, which together lay the foundation for the individual’s capacity and the tendency for participating in physical activities currently and throughout li...
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Background A recent dialogue in the field of play, learn, and teach outdoors (referred to as “PLaTO” hereafter) demonstrated the need for developing harmonized and consensus-based terminology, taxonomy, and ontology for PLaTO. This is important as the field evolves and diversifies in its approaches, contents, and contexts over time and in different...
Article
Restrictions to childcare, schools, and after-school programs during COVID-19 have meant that many programs and organizations have adapted to take place outdoors. To better understand the nature and extent of these adaptations, we conducted a Canada-wide environmental scan of outdoor play-based child and youth projects, programs, activities, and se...
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The purpose of this study was to explore the association between participation in organized sport and a broad array of mental health difficulties among US children and adolescents. The data (cross-sectional) were from Data Release 3.0 (one-year follow-up visits on the full cohort) of the Adolescent Brain Cognitive Development (ABCD) study-a broadly...
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Background: In Sub-Saharan African countries, rapid urbanization and increasing socio-economic status are associated with a transition to decreased physical activity (PA). A more sedentary lifestyle is linked to increased body fat leading to increments in leptin levels. Since rodent and human studies in high-income countries have shown that starva...
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Objectives: Public health restrictions varied by region during the COVID-19 pandemic and reduced opportunities for children to be physically active. The purpose of this study was to assess regional differences in movement behaviours of Canadian children and youth during the second wave of the COVID-19 pandemic. Methods: A national sample of Cana...
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The aims of this study were: to determine for the first time the prevalence of a national sample of Spanish minors meeting the 24-h movement guidelines; to determine their correlates; and to examine their associations with socioemotional behavioral problems. Cross-sectional data from the Spanish National Health Survey (2017) were analyzed for this...
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Background: Participation in outdoor play has been extensively documented as beneficial for the health, well-being and development of children. Canadian early childhood education centres (ECECs) are important settings in young children’s lives and provide opportunities to participate in outdoor play. However, there are barriers to the provision of...
Preprint
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BACKGROUND Participation in outdoor play has been extensively documented as beneficial for the health, well-being, and development of children. Canadian early childhood education centers (ECECs) are important settings in young children’s lives and provide opportunities to participate in outdoor play. However, there are barriers to the provision of...
Article
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Background The purpose of this systematic review was to examine the associations between school-related sedentary behaviours and indicators of health and well-being in children and youth (~ 5–18 years) attending school. Methods This review was conducted to inform the development of School-Related Sedentary Behaviour Recommendations. Peer-reviewed,...
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Background Existing sedentary behaviour guidelines for children and youth target overall sedentary behaviour and recreational screen time, without any specific recommendations regarding school-related sedentary behaviours (i.e., sedentary behaviours performed during the school day, or within the influence of school). The purpose of this paper is to...
Article
Introduction Increased screen time is a ubiquitous part of adolescent life and is adversely associated with their well-being. However, it remains unclear whether different types of screen time have equivalent associations, or if relationships are dose-dependent. Methods The data were from 2 nationally representative Health Behaviour in School-aged...
Article
Background: This study examined associations between sociodemographic factors and meeting versus not meeting the new Canadian 24-Hour Movement Guidelines recommendations. Methods: The study is based on 7651 respondents aged 18-79 years from the 2007 to 2013 Canadian Health Measures Survey, a nationally representative, cross-sectional survey. Soc...
Preprint
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Background Physical literacy (PL) is a multi-dimensional concept that provides a holistic understanding of movement and physical activity. PL contains an affective, a physical, and a cognitive domain, which together lay the foundation for the individual’s capacity and the tendency for participating in physical activities currently and throughout li...
Article
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Background The primary aim of this study was to determine if screen use in early childhood is associated with overall vulnerability in school readiness at ages 4 to 6 years, as measured by the Early Development Instrument (EDI). Secondary aims were to: (1) determine if screen use was associated with individual EDI domains scores, and (2) examine th...
Article
Objectives: Excessive recreational screen time (RST) is associated with detrimental effects for physical, psychological and cognitive development. This article aims to describe the prevalence of excessive RST among Colombian preschoolers, children and adolescents and explore its factors associated. Methods: We analyzed data from the National Survey...
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Purpose: There is a paucity of global data on sedentary behaviour during early childhood. The purpose of this study was to examine how device-measured sedentary behaviour in young children differed across geographically, economically, and socio-demographically diverse populations, in an international sample. Methods: This multinational, cross-se...
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Background: Physical activity (PA) is associated with numerous health benefits among children and youth. However, few studies have examined how active transportation (AT) and device-based measures of PA vary within and between countries in sub-Saharan Africa. Purpose: This cross-sectional study sought to investigate the prevalence and correlates...
Article
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Purpose Meeting the 24-Hour Movement Guidelines (physical activity, screen time, and sleep duration) has been associated with positive health indicators. However, there are no previous meta-analyses that have examined the overall adherence to the 24-Hour Movement Guidelines from pre-school to adolescence across the world. Therefore, the main purpos...
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Background: The Canadian 24-Hour Movement Guidelines for Adults (18-64 years and 65 years or older) were launched in October 2020 and provide evidence-based recommendations for physical activity, sedentary behaviour and sleep. The purpose of this study was to examine whether meeting the 24-Hour Movement Guidelines overall, and different combinatio...
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Aim Parents’ psychological problems may affect children’s screen time, but research has been scarce. We examined the association between parental psychological problems and children’s screen media behaviours in a nationally representative sample. Methods The participants were from the Adolescent Brain Cognitive Development study, recruited by prob...
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Background In 2018, the Australian Government updated the Australian Physical Activity and Sedentary Behaviour Guidelines for Children and Young People. A requirement of this update was the incorporation of a 24-hour approach to movement, recognising the importance of adequate sleep. The purpose of this paper was to describe how the updated Austral...
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Background Cardiorespiratory fitness (CRF), which reflects the overall aerobic capacity of the cardiovascular, respiratory, and muscular systems, is significantly related to health among youth.Objective The aim of this systematic review was to identify health-related criterion-referenced cut-points for CRF among youth aged 5–17 years.MethodsA syste...
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(1) To explore individual and family characteristics related to anthropometric and cardiometabolic health indicators and (2) examine whether characteristics that correlate with cardiometabolic health indicators differ across severity of obesity at time of entry to Canadian pediatric weight management clinics. We conducted a cross-sectional analysis...
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Background The aim of this study was to translate the Canadian Assessment of Physical Literacy, second edition (CAPL-2) into Danish language, adapt it to Danish context and to test the measurement properties on a sample of Danish school children. Methods The CAPL-2 measurement tool was translated into Danish language and adapted for the Danish con...
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Background Musculoskeletal fitness is an excellent functional measure that is significantly related to health among youth. Objective Our objective was to identify health-related criterion-referenced cut-points for musculoskeletal fitness (MSF) among youth. Methods A systematic search of two electronic databases (MEDLINE and SPORTDiscus) was condu...
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This study determined if meeting the Canadian 24-Hour Movement Guidelines recommendations are associated with all-cause mortality. Participants were 3471 adults from the 2005–2006 U.S. National Health and Nutrition Examination Survey followed for mortality over 11 years. They were classified as meeting or not meeting recommendations for sleep durat...
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Objective Investigate whether resuming physical activity (PA) at 72 hours post concussion is safe and reduces symptoms at 2 weeks, compared with resting until asymptomatic. Methods Real-life conditions, multicentre, single-blinded randomised clinical trial, conducted in three Canadian paediatric emergency departments (ED). Children/youth aged 10–<...
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This study aimed to describe adherence to 24-hour movement guidelines and determine factors associated with meeting guidelines in pregnancy planning and recently postpartum parents. A survey of preconception care attitudes and beliefs was conducted in Canadian adults who were pregnancy planning or ≤5 years postpartum. The Global Physical Activity Q...
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BACKGROUND There is evidence of school-level variability in children's active behaviors. This study investigated the associations between school environments, policies and practices, and children's physical activity (PA) and active school transportation (AST), in a school ecology context. METHODS We recruited children (N = 1699, age = 10.2 ± 1.0 y...
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Background: The fitness levels of Canadian adults declined substantially between 1981 and the years 2007 to 2009, suggesting a reduction in population health. This paper updates the fitness trends of Canadians aged 20 to 69 years by extending the time period to 2017. Data and methods: The Canadian Health Measures Survey is a repeated cross-secti...
Article
Our study purpose was to determine the prevalence of metabolically healthy obesity (MHO) and examine factors associated with MHO in children with obesity. This cross-sectional study was a secondary, exploratory analysis of data that included 2-17 years old with a body mass index (BMI) ≥85th percentile from the CANadian Pediatric Weight management R...
Article
We explored the influence of sex and maturation on resting cervical artery hemodynamics (common carotid artery, CCA; internal carotid artery, ICA; and vertebral artery, VA) and free-living physical activity and sedentary behavior in children 6-17 years of age. Additionally, we investigated the relationship between physical activity and sedentary be...
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Introduction 24-hour movement behaviours (physical activity, sedentary behaviour and sleep) during the early years are associated with health and developmental outcomes, prompting the WHO to develop Global guidelines for physical activity, sedentary behaviour and sleep for children under 5 years of age. Prevalence data on 24-hour movement behaviour...
Presentation
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Introduction The enhancement of data systems and capabilities at national levels to support regular population surveillance of physical activity (PA) was identified as a priority in the World Health Organization Global Action Plan on Physical Activity 2018–2030. The aims of this project were to: (i) review, compare, and discuss the methodological i...
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Background This study preliminarily examined the relationship between physical activity, sedentary time, and social emotional functioning in children aged 4–6 years. Methods Eighty children attending kindergarden classes in Ottawa, Canada wore Actical accelerometers for 1-week to directly assess their physical activity and sedentary time. Physical...
Article
Background: Sedentary lifestyle morbidities are common among children with congenital heart disease (CHD). Understanding the physical activity trajectory from early childhood could enhance intervention timing/effectiveness. Methods: 154 children (56% male) were recruited at 12-47 months of age for this prospective, longitudinal, observational st...
Article
Background: In Colombia, active transportation has been assessed in multiple local and regional studies, but national data on active transportation are scarce. This study aims to describe the prevalence and factors associated with active transportation to/from school among Colombian children and adolescents. Methods: The authors analyzed nationa...
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More physical activity and less sedentary behavior is beneficial for children and adolescents. Worldwide, gender differences are >8% favorable for men and the Latin-American region presents an even higher level of insufficient physical activity among women, with a lack of information in young population. Thus, the aim of the current study was to de...
Article
Objective: School readiness is strongly associated with a child's future school success and well-being. The primary objective of this study was to determine whether meeting 24-hour movement guidelines (national physical activity, sedentary behaviors, and sleep recommendations) was associated with school readiness measured with mean scores in each...
Article
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Daily life has changed for families due to the COVID-19 pandemic. The aim of this repeated cross-sectional study was to describe movement behaviours in Canadian children and youth 6 months into the pandemic (T2; October 2020) compared with the start of the pandemic (T1, April 2020). An online survey was distributed to parents (N = 1568) of children...
Article
Background Mental wellbeing in adolescents has declined considerably during past decades, making the identification of modifiable risk factors important. Prolonged screen time and insufficient physical activity appear to operate independently and synergistically to increase the risk of poor mental wellbeing in school-aged children. We aimed to exam...
Preprint
Full-text available
Daily life has changed for families due to the COVID-19 pandemic. The aim of this repeated cross-sectional study was to describe movement behaviours in Canadian children and youth six months into the pandemic (T2; October 2020) compared with the start of the pandemic (T1, April 2020). An online survey was distributed to parents ( N = 1568) of child...
Article
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Purpose Some health behaviour promotion organizations are interested in promoting multiple behaviours to increase their health impact on a population. However, many of these organizations are better known for promoting only certain behaviours. The purpose of this study is to examine responses to an organization with a narrow brand (i.e. ParticipACT...
Article
The interrelationships between sleep and daytime movement behaviours have been examined at interindividual level. Studies of within-person, temporal relationships of daytime physical activity (PA) and sedentary behaviour with the previous and subsequent nights’ sleep are increasing. The present systematic review and meta-analysis synthesised the re...
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Background /Objective: Cardiorespiratory endurance is an excellent marker of functional endurance and health among adults. The aim of this study was to estimate temporal trends in step test performance for Chinese adults between 2000 and 2014. Methods Apparently healthy adults aged 20–59 years were included. Nationally representative step test dat...
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Objective: The objective of this scoping review was to systematically summarize the available literature investigating the relationships between the Corona Virus Disease 2019 (COVID-19) pandemic and movement behaviors (physical activity, sedentary behavior, and sleep) of school-aged children (aged 5−11 years) and youth (aged 12−17 years) in the fir...
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Background One of the strategic actions identified in the Global Action Plan on Physical Activity (PA) 2018–2030 is the enhancement of data systems and capabilities at national levels to support regular population surveillance of PA. Although national and international standardized surveillance of PA among children and adolescents has increased in...
Article
Introduction: The authors aimed to examine the association between meeting the integrative movement behavior guidelines (physical activity, screen viewing, and sleep) and cardiometabolic risk (CMR) factors in young children. Methods: In this cross-sectional study, physical activity, screen viewing, and sleep were assessed using parent-reported d...
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Background: Clinical practice guidelines for pediatric weight management highlight the importance of family-based behavioral strategies to enhance health behaviors. Little is known, however, of how clinics implement these programs. The study objectives were to (1) describe how Canadian pediatric weight management clinics deliver care and (2) evalua...
Article
Purpose: Low levels of brain derived-neurotrophic factor (BDNF) and excessive screen exposure are risk factors for neurocognitive deficits and obesity in youth, but the relationship between screen time and BDNF remains unknown. This study examined whether duration and/or type of sedentary screen time behavior (TV viewing, video games, recreational...
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Background: Due to the myriad of benefits of children’s outdoor play and time, there is increasing concern over its decline. This systematic review synthesized evidence on the correlates of outdoor play and outdoor time among children aged 3-12 years. Methods: A total of 12 electronic databases in five different languages (Chinese, English, Korean...
Article
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The COVID-19 outbreak and related public health guidelines have changed the daily lives of Canadians and restricted opportunities for healthy movement behaviours for children. The purpose of this study was to explore how parents experienced the pandemic-related restrictions and how they impacted their children’s movement behaviours. Methods: Twenty...
Article
Background: Global estimates have shown that a small proportion of children and adolescents are physically active. However, the evidence on physical activity (PA) among Colombian children and adolescents is limited. The objective of this study was to describe the prevalence and correlates of meeting PA guidelines among Colombian children and adole...