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24-Hour Movement Behaviors of LGBTQA+ Young People: A Systematic Review

Kathryn Fortnum, Sjaan R. Gomersall, Megan H. Ross, James Woodforde, George Thomas, Yu-Shu Wen, Francisco Perales, and Michalis Stylianou

Background: The movement behaviors of LGBTQA+ young people, who encounter specific health, and other, challenges are not well understood. This systematic review examines the 24-hour movement behaviors of LGBTQA+ young people compared with population estimates of meeting the 24-hour movement guidelines. Methods: Seven electronic databases were searched from inception to January 2024. Observational studies published in English and reporting quantitative data for physical activity, sedentary behavior, or sleep duration for LGBTQA+ individuals <24 years old were included. Data were narratively synthesized for children/adolescents (<18 years) and young adults (18–24 years), guided by the Cochrane Synthesis Without Meta-analysis guidelines. Results: Fifty-six studies were included; 46 were of “fair” quality and 37 were conducted in the United States. Physical activity, sedentary behavior, and sleep outcomes were reported in 46, 11, and 14 studies, respectively. Ninety unique LGBTQA+ terms were identified. Based on outcomes reported in ≥1 study, and compared to population estimates, LGBTQA+ young people were less likely to meet aerobic physical activity and strength/resistance training guidelines. LGBTQA+ children/adolescents were less likely to meet the sleep guidelines. Young adults demonstrated similar adherence to sleep guidelines as population estimates. Conclusions: Overall, our results suggest that LGBTQA+ young people have suboptimal 24-hour movement behaviors; in some cases, worse than population estimates. Utilization of more robust measures of exposure and outcome variables is recommended, with a focus on sleep and sedentary behavior.

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Understanding the Relationships Between Physical Activity and Climate Change: An Umbrella Review

Milena Franco Silva, Ana Luiza Favarão Leão, Áine O’Connor, Pedro C Hallal, Ding Ding, Erica Hinckson, Tarik Benmarhnia, and Rodrigo Siqueira Reis

Background: Physical activity is crucial for maintaining health and preventing chronic diseases. However, climate conditions can impact physical activity patterns, and conversely, physical activity can impact climate change. This umbrella review aims to summarize the existing evidence regarding the relationships between physical activity and climate change, as revealed in previous reviews. Methods: Systematic reviews and meta-analyses were analyzed. Searches were conducted across GreenFILE, PubMed, and Web of Science databases for peer-reviewed articles published in English. A 2-stage independent screening process was conducted, and methodological quality was assessed using the JBI framework. Standardized data extraction methods were then applied. Results: Out of 1292 articles retrieved, 7 met all eligibility criteria and were included in the review. Three articles examined physical activity as a primary exposure, 3 focused on the impacts of climate change, and one considered both physical activity and climate change as primary exposures. Conclusions: Findings reveal an interplay between climate change and physical activity. While rising temperatures may prompt outdoor activities up to a certain temperature threshold, air pollution and extreme heat can have harmful effects. Active transportation and improved logistics around large-scale sporting events can mitigate climate change by reducing greenhouse gas emissions, but transportation systems linked to sports venues may increase emissions. Research on the reciprocal relationship between climate change and physical activity domains, and integrating the community into climate discussions, is crucial for equity, especially for marginalized communities. Incorporating climate adaptation and mitigation strategies in physical activity infrastructure to minimize environmental impacts is critical.

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Erratum. Are the Relationships of Physical Activity and Television Viewing Time With Mortality Robust to Confounding? A Study, Utilizing E-Values, From the Melbourne Collaborative Cohort Study

Journal of Physical Activity and Health

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Navigating Physical Activity Promotion and Policy in the Post-COVID-19-Pandemic Era

Justin Richards, Katja Siefken, Michael Pratt, Adrian Bauman, Juliana Mejía-Grueso, Catherine B. Woods, Wanda Wendel-Vos, Erica Hinckson, Deborah Salvo, Pedro C. Hallal, and Andrea Ramírez Varela

Background: There is limited evidence on the priorities and opportunities associated with promoting population physical activity (PA) participation for the post-COVID-19-pandemic future. Purpose: This study assessed government-led PA promotion efforts before and during the COVID-19 pandemic, along with post-COVID-19-pandemic priorities and recommendations. Methods: Two separate cross-sectional surveys conducted in 2023. Survey 1 was targeted at the Global Observatory for Physical Activity (GoPA!) Country Contacts. Survey 2 also included key international informants representing influential stakeholders in PA policy implementation. Results: There were 68 respondents to Survey 1, collectively representing 61 countries. An additional 37 people, including representatives from 14 key international stakeholders responded to Survey 2. Eighty-two percent of countries had national PA policies. COVID-19 widely disrupted PA policy implementation. Less than 40% of countries integrated PA into their COVID-19 response plan and more than 75% reported policies that restricted PA participation. Although most respondents indicated that government PA priorities did not change due to the COVID-19 pandemic, one in five countries reported that cross-sectoral partnership had become more important during this period. Less than a third of postpandemic governments reported as highly engaged despite the widespread proliferation of PA policies and plans prior to the pandemic. There were variations according to country, region, and income. Conclusions: Elevating PA promotion on the public health agenda is crucial for the post-COVID-19-pandemic era. At a policy level, it is critical to focus on adequate resourcing, cross-sectoral partnerships, integrated interventions, and inequities in participation. These factors have become increasingly important in the postpandemic PA policy landscape.

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Striving for Global Consensus: A Systematic Review of Social Return on Investment Applied to Physical Activity and Sport

Inés Nieto, Xián Mayo, Larissa Davies, Lindsey Reece, Ben Strafford, and Alfonso Jimenez

Background: Physical activity and sport (PAS) have been related to health and social benefits, but their monetary value remains unclear. This systematic review on the social return on investment of PAS aimed to find what are the social outcomes measured in previous PAS literature and how are these measured and valued. Methods: A systematic search was conducted on WoS, PubMed, and EconLit. Articles in English, measuring the social value of any type of PAS in monetary terms and utilizing a social return on investment framework, were included. Risk of bias was evaluated using the Drummond checklist. The Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines were followed. Results: Fifty-five documents (2010–2022), from all continents except America, were included; only 8 were published in peer-reviewed journals, whereas 47 were reports. Most studies evaluated the benefits of specific programs, and 6 measured the engagement in PAS at the population level based on national or community surveys. The social outcomes identified were health (94.5%), crime (50.9%), education (83.6%), subjective well-being (89.1%), social capital (60%), and other (3.6%–23.6%). The valuation methods included willingness to pay, well-being valuation, the cost of an activity that could result in the same outcome, and cost databases associating outcomes with a monetary value. Conclusions: This study updates a previous review and widens the scope by answering the question of how social outcomes are measured and valued in previous PAS literature. Given the heterogeneity found in the application of the method, this review will inform a Delphi study to reach a Global Consensus Statement on the measurement of social value and PAS.

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Physical Activity Report Card Indicators and the United Nations Sustainable Development Goals: Insights From Global Matrix 4.0

Diego Augusto Santos Silva, Salomé Aubert, Taru Manyanga, Eun-Young Lee, Deborah Salvo, and Mark S. Tremblay

Background: The World Health Organization recognizes that physical activity (PA) during childhood is crucial for healthy development, aligning well with the achievement of several United Nations (UN) Sustainable Development Goals (SDGs). This study aimed to explore the associations between 10 key indicators of PA for children and adolescents assessed in the Global Matrix 4.0 project, and the UN SDGs. Methods: Data from 57 countries/jurisdictions of the Global Matrix 4.0 project were used. The UN SDG indicators were sourced from the SDG Transformation Center, which publishes each country’s performance on each of the 17 SDGs. Given the robust evidence supporting plausible links between PA and SDGs 3 (good health and well-being), 9 (industry, innovation, and infrastructure), 11 (sustainable cities and communities), 13 (climate action), and 16 (peace, justice, and strong institutions), these SDGs were investigated. Results: Countries/jurisdictions with good and moderate performance in achieving SDG 3, SDG 9, SDG 11, and SDG 16 had higher grades than countries/jurisdictions with fair performance in achieving these SDGs for the following indicators: Organized Sports and PA, Community and Environment, and Government Investments and Strategies. However, countries/jurisdictions with good performance in achieving SDG 13 had lower grades than countries/jurisdictions with fair performance in achieving SDG 13 for the following indicators: Organized Sports and PA, Community and Environment, and Government Investments and Strategies. Conclusions: Organized Sports and PA, Community and Environment, and Government Investments and Strategies were the indicators that demonstrated differences between countries/jurisdictions with good and poor performance in achieving the SDGs.

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Are the Relationships of Physical Activity and Television Viewing Time With Mortality Robust to Confounding? A Study, Utilizing E-Values, From the Melbourne Collaborative Cohort Study

Baldwin Pok Man Kwan, Brigid M. Lynch, Lara Edbrooke, Allison Hodge, and Christopher T.V. Swain

Background: Physical activity and sedentary behavior are associated with health outcomes. However, evidence may be affected by confounding bias. This study aimed to examine the relationships of physical activity and television (TV) viewing time with all-cause, cardiovascular, and cancer mortality in a cohort of Australian adults, and determine the robustness of these relationships to residual and unmeasured confounding. Methods: Data from 27,317 Melbourne Collaborative Cohort Study participants (mean age = 66) were used. Physical activity was assessed using the International Physical Activity Questionnaire—Short Form and categorized as insufficient, sufficient, or more than sufficient. TV viewing time was categorized as low, moderate, or high. Multivariable Cox regression models were used to evaluate associations of interest. E-values were calculated to assess the strength of unmeasured confounders required to negate the observed results. Results: For highest versus lowest physical activity category, the hazard ratio was 0.67 (95% confidence interval, 0.56–0.81) for all-cause mortality; E-values ranged between 1.79 and 2.44. Results were similar for cardiovascular mortality; however, hazard ratios were lower (0.72; 95% confidence interval, 0.51–1.01) and E-values much smaller (1.00–2.12) for cancer mortality. For highest versus lowest TV viewing time category, the hazard ratio was 1.08 (1.01–1.15) for all-cause mortality; E-values ranged between 1.00 and 1.37. Results were similar for cardiovascular and cancer mortality. Conclusions: Physical activity and TV viewing time were associated with mortality. The robustness to unmeasured/residual confounding was moderate for physical activity (all-cause and cardiovascular mortality), but weaker for physical activity (cancer mortality) and TV viewing time in this study of Australian adults.

Open access

“I Use Technologies Strategically With My Family Now”: Practices That Parents Value to Promote Physical Activity in Young Children

Juliana Zabatiero, Laura Stone, Derek McCormack, David Zarb, Andrea Nolan, Kate Highfield, Helen Skouteris, Susan Edwards, and Leon Straker

Background: Although widely accessible digital technology (DT) provided multiple opportunities for young children’s play, learning, and development, it also raised parents and professionals’ concerns regarding its impact on children’s physical activity. This study aimed to identify practices involving DT that were valued by parents in helping their young child to be physically active. Methods: Participants were parents of ambulatory young children (less than 5 y of age) engaged with a playgroup. The study involved representatives from 3 service organizations, who compiled a list of digital resources related to using DT to promote children’s physical activity that were suitable to be shared and trialed by parents and young children. During a pretrial workshop, researchers, participants, and organization representatives collaboratively developed the intervention, which involved the delivery of selected resources by weekly email, over a 12-week period. Participants provided weekly feedback about their experiences and participated in a postintervention semistructured qualitative interview. Results: Thirteen families, with children aged between 15 and 36 months, completed the trial. Participants reported several valued practices to promote their children’s physical activity, including those where the child was active while engaging with DT, where child engagement with DT acted as a prompt for later physical activity, where DT assisted parents in planning physical activity, where DT assisted parents in integrating movement with learning and play, and where DT was used to reinforce the child’s enthusiasm for physical activity. Conclusions: Parents reported several valued practices where children were physically active, rather than sedentary, while using digital technology.

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Associations Between Substitution of Sedentary Behavior Patterns With Physical Activity and Cardiovascular Risk Factors in Adolescents: A 3-Year Longitudinal Study

Leonardo Alex Volpato, Vinícius Muller Reis Weber, Wendell Arthur Lopes, Jeffer Eidi Sasaki, Catiana Leila Possamai Romanzini, Enio Ricardo Vaz Ronque, and Marcelo Romanzini

Background: Little is known on how the substitution of time spent in sedentary behavior (SB) patterns with time spent in physical activity impacts cardiovascular risk factors during adolescence. The study aimed to investigate how the substitution of time spent in SB and sedentary bouts with time spent in different physical activity intensities was associated with longitudinal changes in cardiovascular risk factors in analyses stratified by sex. Methods: This is a prospective cohort study with a mean follow-up period of 3.2 (±0.34) years, involving 109 (60 girls and 49 boys) Brazilian adolescents. Body mass index, waist circumference, and cardiorespiratory fitness were the cardiovascular risk factors considered. A cardiovascular risk score was calculated. Sedentary bouts, light physical activity (LPA), and moderate to vigorous physical activity (MVPA) were measured by accelerometers. Multivariate linear regression models adopting the isotemporal substitution were used to analyze the association between substitution of 10 minutes per day of sedentary bouts with LPA and MVPA and risk factors. All analyses considered 5% significance levels. Results: Substitutions of SB, short and long bouts, with MVPA were associated with higher cardiorespiratory fitness in boys (β = 0.077; 95% confidence interval, 0.001 to 0.55; β = 0.076; 95% confidence interval, 0.003 to 0.154; and β = 0.084; 95% confidence interval, 0.001 to 0.167, respectively). No associations were observed when analyses involved substitution of sedentary bouts with LPA, adiposity, cardiovascular risk score, and girls. Conclusions: Substituting SB bouts with MVPA appears to favorably influence changes of cardiorespiratory fitness in boys during adolescence. Greater benefits appear to occur when longer sedentary bouts are substituted by MVPA.

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Physical Activity as a Victim, a Perpetrator, or Part of the Solution to the Climate Crisis?

Peter Gelius, Sven Messing, Antonina Tcymbal, Leonie Birkholz, and Karim Abu-Omar

Humanity is facing a polycrisis, including climate change, loss of biodiversity, and economic inequalities. This commentary examines the role of physical activity (PA) research in the context of climate change, highlighting 3 perspectives: PA as a victim, as a perpetrator, and as part of the solution. The first perspective conceptualizes PA as a victim of climate change, as heat waves, extreme weather events, and high ozone levels pose a threat to health-enhancing PA and sports; adaptation strategies are needed and potentially lifesaving. The second perspective describes PA as a perpetrator to climate change due to the significant carbon footprint of some forms of PA and sport. The third perspective focuses on PA as a solution to climate change, as some forms of PA—such as active transport and urban gardening—have both individual and planetary health benefits. In addition, PA provides health benefits in extreme situations by reducing stress and maintaining health in times of crisis. Each of these 3 perspectives can guide future research in the field of PA and health.