Michael W. Beets
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View article: The Cost Effectiveness of a Free Summer Day Camp Voucher Program to Prevent Summer Weight Gain Among Children From Disadvantaged Households
The Cost Effectiveness of a Free Summer Day Camp Voucher Program to Prevent Summer Weight Gain Among Children From Disadvantaged Households Open
The voucher program is likely cost effective, with 80% probability of cost effectiveness if policymakers are willing to pay $3,500 per 0.1 BMI z-score averted.
View article: A Scoping Review of Parenting Interventions with a Dual Focus on Improving Child Emotional and Physical Health
A Scoping Review of Parenting Interventions with a Dual Focus on Improving Child Emotional and Physical Health Open
Background. Children’s emotional and physical health are inextricably linked, as evidenced by the numerous shared health determinants known to impact each of these domains (e.g., adverse childhood experiences, supportive family relationshi…
View article: The complexity of promoting physical activity in English state primary schools: an in-depth qualitative analysis of the role of social context
The complexity of promoting physical activity in English state primary schools: an in-depth qualitative analysis of the role of social context Open
View article: Applying Behavioral Biometrics to Mobile Device Use Measurement in Children: Evaluating the Impact of Training Data Size, Proximity, and Type on Model Performance
Applying Behavioral Biometrics to Mobile Device Use Measurement in Children: Evaluating the Impact of Training Data Size, Proximity, and Type on Model Performance Open
View article: Designing context-specific physical activity interventions for English primary schools: key learning from a four-month rapid ethnography
Designing context-specific physical activity interventions for English primary schools: key learning from a four-month rapid ethnography Open
Background Physical activity is essential for children’s health. Primary schools offer an opportunity to equitably promote physical activity. However, school-based interventions have been shown to have little to no effect, potentially due …
View article: Predicting Sleep and Sleep Stage in Children Using Actigraphy and Heartrate via a Long Short‐Term Memory Deep Learning Algorithm: A Performance Evaluation
Predicting Sleep and Sleep Stage in Children Using Actigraphy and Heartrate via a Long Short‐Term Memory Deep Learning Algorithm: A Performance Evaluation Open
Children's ambulatory sleep is commonly measured via actigraphy. However, traditional actigraphy measured sleep (e.g., Sadeh algorithm) struggles to predict wake (i.e., specificity, values typically < 70) and cannot predict sleep stages. L…
View article: Differences in children’s food and beverage consumption between school and summer: three-year findings from the what’s UP (Undermining Prevention) with summer observational cohort study
Differences in children’s food and beverage consumption between school and summer: three-year findings from the what’s UP (Undermining Prevention) with summer observational cohort study Open
View article: Applying Behavioral Biometrics to Mobile Device Use Measurement in Children: Evaluating the Impact of Training Data Size, Proximity, and Type on Model Performance
Applying Behavioral Biometrics to Mobile Device Use Measurement in Children: Evaluating the Impact of Training Data Size, Proximity, and Type on Model Performance Open
Objective Passive sensing applications are limited by their inability to determine who is using a device, a critical concern in child mobile device use research, where devices are often shared between siblings or between a child and their …
View article: The ROOTS Parenting Intervention to Improve Child Emotional and Physical Health: Protocol for a Pilot Randomized Controlled Trial for Black and Latiné Families
The ROOTS Parenting Intervention to Improve Child Emotional and Physical Health: Protocol for a Pilot Randomized Controlled Trial for Black and Latiné Families Open
Black and Latiné children in the United States experience disproportionate rates of emotional and physical health problems, yet few preventive interventions address both types of outcomes in a culturally relevant way. This study explores t…
View article: Correction: Differences in elementary-age children’s accelerometer - measured physical activity between school and summer: three-year findings from the What’s UP (Undermining Prevention) with summer observational cohort study
Correction: Differences in elementary-age children’s accelerometer - measured physical activity between school and summer: three-year findings from the What’s UP (Undermining Prevention) with summer observational cohort study Open
View article: Impact of Free Summer Day Camp on Physical Activity Behaviors and Screentime of Elementary-age Children from Low-Income Households: A Randomized Clinical Trial
Impact of Free Summer Day Camp on Physical Activity Behaviors and Screentime of Elementary-age Children from Low-Income Households: A Randomized Clinical Trial Open
Background: To examine the efficacy of providing free summer day camp (SDC) to children from low-income families on changes in physical activity, time spent sedentary, and screentime. Methods: Across three summers (2021-2023), we randomize…
View article: Differences in Children’s Food and Beverage Consumption between School and Summer: Three-year findings from the What’s UP (Undermining Prevention) with Summer Observational Cohort Study
Differences in Children’s Food and Beverage Consumption between School and Summer: Three-year findings from the What’s UP (Undermining Prevention) with Summer Observational Cohort Study Open
Background Summer vacation is a time when youth gain excessive weight. A key driver of unhealthy weight gain is poor dietary quality. The absence of consistent structure (e.g., school), is hypothesized to be one of the reasons for lower di…
View article: I simply have to accompany my parents to sell, nothing else!: a multi-method exploration of barriers and facilitators of extracurricular physical activity among Mexican schoolchildren
I simply have to accompany my parents to sell, nothing else!: a multi-method exploration of barriers and facilitators of extracurricular physical activity among Mexican schoolchildren Open
Background The time spent physically active outside of school (e.g., extracurricular physical activity) is an important contributor to children’s total daily physical activity for health and well-being. Little is known about the opportunit…
View article: Designing stepped wedge trials to evaluate physical activity interventions in schools: methodological considerations
Designing stepped wedge trials to evaluate physical activity interventions in schools: methodological considerations Open
View article: The Ability of Monitor-Independent Movement Summary Units, Euclidean Norm Minus One, and Mean Amplitude Deviation to Harmonize Accelerometry Data Across Research-Grade and Consumer Wearable Devices During Simulated Free-Living Physical Activity in Children
The Ability of Monitor-Independent Movement Summary Units, Euclidean Norm Minus One, and Mean Amplitude Deviation to Harmonize Accelerometry Data Across Research-Grade and Consumer Wearable Devices During Simulated Free-Living Physical Activity in Children Open
Background : Epoch-level accelerometry summary metrics have the potential to be device-agnostic, meaning that similar estimates should be obtained regardless of the device used. The objective of this study was to identify which metric (Euc…
View article: The utility of behavioral biometrics in user authentication and demographic characteristic detection: a scoping review
The utility of behavioral biometrics in user authentication and demographic characteristic detection: a scoping review Open
View article: Rationale and design of Healthy Kids Beyond the Bell: a 2x2 full factorial study evaluating the impact of summer and after-school programming on children’s body mass index and health behaviors
Rationale and design of Healthy Kids Beyond the Bell: a 2x2 full factorial study evaluating the impact of summer and after-school programming on children’s body mass index and health behaviors Open
NCT05880901 . Registered 27 May 2023.
View article: Rationale and design of Healthy Kids Beyond the Bell: A 2x2 full factorial study evaluating the impact of summer and after school programming on children’s body mass index and health behaviors.
Rationale and design of Healthy Kids Beyond the Bell: A 2x2 full factorial study evaluating the impact of summer and after school programming on children’s body mass index and health behaviors. Open
Background. The structured days hypothesis posits that structure protects children against obesogenic behaviors (e.g., physical inactivity, unhealthy dietary intake), and, ultimately, prevents the occurrence of excessive weight gain. The h…
View article: 212 Multi-trajectory analysis of changes in physical activity, BMI and cardiorespiratory fitness in adolescence
212 Multi-trajectory analysis of changes in physical activity, BMI and cardiorespiratory fitness in adolescence Open
Purpose Over the past four decades, the worldwide prevalence of obesity has nearly tripled, with childhood obesity being now more common than ever. Furthermore, children and adolescents with overweight or obesity are at a higher risk of re…
View article: Process Evaluation of Making HEPA Policy Practice
Process Evaluation of Making HEPA Policy Practice Open
This study examines the link between implementation of Strategies to Enhance Practice (STEPs) and outcomes. Twenty after-school programs (ASPs) participated in an intervention to increase children's accumulation of 30 minutes/day of modera…
View article: Differences in elementary-age children’s accelerometer - measured physical activity between school and summer: three-year findings from the What’s UP (Undermining Prevention) with summer observational cohort study
Differences in elementary-age children’s accelerometer - measured physical activity between school and summer: three-year findings from the What’s UP (Undermining Prevention) with summer observational cohort study Open
Background Among elementary-aged children (5-12yrs), summer vacation is associated with accelerated gains in Body Mass Index (BMI). A key behavioral driver of BMI gain is a lack of physical activity (PA). Previous studies indicate PA decre…
View article: Physical Activity and Sedentary Time Among U.S. Adolescents Before and During COVID-19: Findings From a Large Cohort Study
Physical Activity and Sedentary Time Among U.S. Adolescents Before and During COVID-19: Findings From a Large Cohort Study Open
Societal restrictions during COVID-19 negatively impacted activity levels in the U.S., particularly during the summer months during COVID-19.
View article: Advancing Objective Mobile Device Use Measurement in Children Ages 6–11 Through Built-In Device Sensors: A Proof-of-Concept Study
Advancing Objective Mobile Device Use Measurement in Children Ages 6–11 Through Built-In Device Sensors: A Proof-of-Concept Study Open
Mobile devices (e.g., tablets and smartphones) have been rapidly integrated into the lives of children and have impacted how children engage with digital media. The portability of these devices allows for sporadic, on-demand interaction, r…
View article: Jerks are useful: extracting pulse rate from wrist-placed accelerometry jerk during sleep in children
Jerks are useful: extracting pulse rate from wrist-placed accelerometry jerk during sleep in children Open
Study Objectives Evaluate wrist-placed accelerometry predicted heartrate compared to electrocardiogram (ECG) heartrate in children during sleep. Methods Children (n = 82, 61% male, 43.9% black) wore a wrist-placed Apple Watch Series 7 (AWS…
View article: Consolidated guidance for behavioral intervention pilot and feasibility studies
Consolidated guidance for behavioral intervention pilot and feasibility studies Open
Background In the behavioral sciences, conducting pilot and/or feasibility studies (PFS) is a key step that provides essential information used to inform the design, conduct, and implementation of a larger-scale trial. There are more than …
View article: The Day-Level Association Between Child Care Attendance and 24-Hour Movement Behaviors in Preschool-Aged Children
The Day-Level Association Between Child Care Attendance and 24-Hour Movement Behaviors in Preschool-Aged Children Open
Background : Twenty-four hour movement behaviors (ie, physical activity [PA], screen time [ST], and sleep) are associated with children’s health outcomes. Identifying day-level contextual factors, such as child care, that positively influe…
View article: Comparison of raw accelerometry data from ActiGraph, Apple Watch, Garmin, and Fitbit using a mechanical shaker table
Comparison of raw accelerometry data from ActiGraph, Apple Watch, Garmin, and Fitbit using a mechanical shaker table Open
The purpose of this study was to evaluate the reliability and validity of the raw accelerometry output from research-grade and consumer wearable devices compared to accelerations produced by a mechanical shaker table. Raw accelerometry dat…
View article: Balancing best practice and reality in behavioral intervention development: A survey of principal investigators funded by the National Institutes of Health
Balancing best practice and reality in behavioral intervention development: A survey of principal investigators funded by the National Institutes of Health Open
Preliminary studies play a prominent role in the development of large-scale behavioral interventions. Though recommendations exist to guide the execution and interpretation of preliminary studies, these assume optimal scenarios which may c…
View article: Systematic review and meta-analysis of physical activity interventions to increase elementary children’s motor competence: a comprehensive school physical activity program perspective
Systematic review and meta-analysis of physical activity interventions to increase elementary children’s motor competence: a comprehensive school physical activity program perspective Open
Background Regular participation in physical activity (PA) benefits children’s health and well-being and protects against the development of unhealthy body weight. A key factor in children’s PA participation is their motor competence (MC).…
View article: Are the Risk of Generalizability Biases Generalizable? A Meta-Epidemiological Study
Are the Risk of Generalizability Biases Generalizable? A Meta-Epidemiological Study Open