Raphael H O Araujo, André O Werneck, Clarice L Martins, Luciana L Barboza, Rafael M Tassitano, Nicolas Aguilar-Farias, Gilmar M Jesus, Robinson Ramírez-Vélez, Riki Tesler, Adewale L Oyeyemi, Ellen C M Silva, Robert G Weaver, Mark S Tremblay, Javier Brazo-Sayavera, Grégore I Mielke, Danilo R P Silva
{"title":"Global prevalence and gender inequalities in at least 60 min of self-reported moderate-to-vigorous physical activity 1 or more days per week: An analysis with 707,616 adolescents.","authors":"Raphael H O Araujo, André O Werneck, Clarice L Martins, Luciana L Barboza, Rafael M Tassitano, Nicolas Aguilar-Farias, Gilmar M Jesus, Robinson Ramírez-Vélez, Riki Tesler, Adewale L Oyeyemi, Ellen C M Silva, Robert G Weaver, Mark S Tremblay, Javier Brazo-Sayavera, Grégore I Mielke, Danilo R P Silva","doi":"10.1016/j.jshs.2023.10.011","DOIUrl":"10.1016/j.jshs.2023.10.011","url":null,"abstract":"<p><strong>Background: </strong>Guidelines recommend that adolescents should accumulate an average of 60 min per day of moderate-to-vigorous physical activity (MVPA). However, using only this cut-off could hide important information. For instance, from a population-level point of view, increasing physical activity for those with no or low physical activity could provide more health benefits than increasing physical activity for those with intermediate levels. Also, including a more sensitive cut-point of ≥1 days per week could be an additional strategy for identifying those with low access/opportunities for physical activity practice. Thus, the current study aims to estimate the prevalence of ≥60 min of MVPA ≥1 days per week among adolescents globally, and to describe any relevant gender inequalities.</p><p><strong>Methods: </strong>We used representative datasets from 146 countries/territories collected between 2003 and 2019. MVPA was self-reported. Participants were grouped into younger (≤14 years old) and older (>14 years old) adolescents. Crude Poisson regression models were used to identify the relative differences in ≥60 min of MVPA ≥1 days per week between boys and girls, and random-effects meta-analysis models were used to identify the pooled estimates. Analyses were stratified by country and region.</p><p><strong>Results: </strong>Approximately 80% of both younger and older adolescents reported ≥60 min of MVPA ≥1 days per week. This prevalence was ≥94% in Europe and Central Asia and North America, while the estimates for the other regions were <77%. The prevalence of ≥60 min of MVPA ≥1 days per week was higher among boys than girls, with the largest differences occurring among the oldest adolescents (Prevalence ratio<sub>≤14y</sub> = 1.04 (95% confidence interval (95%CI)): 1.03‒1.04) vs. Prevalence ratio<sub>>14y</sub> = 1.09 (95%CI: 1.08‒1.10)).</p><p><strong>Conclusion: </strong>Approximately 8 out of 10 adolescents reported accumulating ≥60 min of MVPA ≥1 days per week, with notable differences between regions. Gender differences were observed in several countries, especially among the oldest adolescents. Priorities for physical activity promotion among adolescents should include increasing access/opportunities for physical activity among those who do not achieve ≥60 min of MVPA ≥1 days per week and reducing gender inequalities.</p>","PeriodicalId":48897,"journal":{"name":"Journal of Sport and Health Science","volume":" ","pages":"709-716"},"PeriodicalIF":9.7,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11282350/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71487815","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Chuting Yu, Tinglu Wang, Ye Gao, Yunfei Jiao, Huishan Jiang, Yan Bian, Wei Wang, Han Lin, Lei Xin, Luowei Wang
{"title":"Association between physical activity and risk of gastroesophageal reflux disease: A systematic review and meta-analysis.","authors":"Chuting Yu, Tinglu Wang, Ye Gao, Yunfei Jiao, Huishan Jiang, Yan Bian, Wei Wang, Han Lin, Lei Xin, Luowei Wang","doi":"10.1016/j.jshs.2024.03.007","DOIUrl":"10.1016/j.jshs.2024.03.007","url":null,"abstract":"<p><strong>Background: </strong>Lifestyle plays an important role in preventing and managing gastroesophageal reflux disease (GERD). In response to the conflicting results in previous studies, we performed a systematic review and meta-analysis to investigate this association.</p><p><strong>Methods: </strong>Relevant studies published until January 2023 were retrieved from 6 databases, and the prevalence of symptomatic gastroesophageal reflux (GER) or GERD was determined from the original studies. A random effects model was employed to meta-analyze the association by computing the pooled relative risk (RR) with 95% confidence intervals (95%CIs). Furthermore, subgroup and dose-response analyses were performed to explore subgroup differences and the association between cumulative physical activity (PA) time and GERD.</p><p><strong>Results: </strong>This meta-analysis included 33 studies comprising 242,850 participants. A significant negative association was observed between PA and the prevalence of symptomatic GER (RR = 0.74, 95%CI: 0.66-0.83; p < 0.01) or GERD (RR = 0.80, 95%CI: 0.76-0.84; p < 0.01), suggesting that engaging in PA might confer a protective benefit against GERD. Subgroup analyses consistently indicated the presence of this association across nearly all subgroups, particularly among the older individuals (RR<sub><40 years</sub>:RR<sub>≥40 years</sub> = 0.85:0.69, p < 0.01) and smokers (RR<sub>smoker</sub>:RR<sub>non-smoker</sub> = 0.67:0.82, p = 0.03). Furthermore, a dose-response analysis revealed that individuals who engaged in 150 min of PA per week had a 72.09% lower risk of developing GERD.</p><p><strong>Conclusion: </strong>Maintaining high levels of PA decreased the risk of GERD, particularly among older adults and smokers. Meeting the recommended PA level of 150 min per week may significantly decrease the prevalence of GERD.</p>","PeriodicalId":48897,"journal":{"name":"Journal of Sport and Health Science","volume":" ","pages":"687-698"},"PeriodicalIF":9.7,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11282378/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140327242","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Stephen W Farrell, David Leonard, Qing Li, Carolyn E Barlow, Kerem Shuval, Jarett D Berry, Andjelka Pavlovic, Laura F DeFina
{"title":"Association between baseline levels of muscular strength and risk of stroke in later life: The Cooper Center Longitudinal Study.","authors":"Stephen W Farrell, David Leonard, Qing Li, Carolyn E Barlow, Kerem Shuval, Jarett D Berry, Andjelka Pavlovic, Laura F DeFina","doi":"10.1016/j.jshs.2023.10.003","DOIUrl":"10.1016/j.jshs.2023.10.003","url":null,"abstract":"<p><strong>Background: </strong>Muscular strength is an important component of physical fitness. We evaluated the relationship between baseline muscular strength and risk of stroke among adults who were aged ≥65 years during follow-up.</p><p><strong>Methods: </strong>We included 7627 healthy adults (mean age = 43.9 years, 86.0% male) underwent a baseline physical examination between 1980 and 1989. Muscular strength was determined by 1-repetition maximum measures for bench press and leg press and categorized into age- and sex-specific tertiles for each measure. Cardiorespiratory fitness (CRF) was assessed via a maximal treadmill exercise test. Those enrolled in fee-for-service Medicare from 1999 to 2019 were included in the analyses. Associations between baseline strength and stroke outcomes were estimated using a modified Cox proportional hazards model. In a secondary analysis, we examined stroke risk by categories of CRF where Quintile 1 = low, Quintiles 2-3 = moderate, and Quintiles 4-5 = high CRF based on age and sex.</p><p><strong>Results: </strong>After 70,072 person-years of Medicare follow-up, there were 1211 earliest indications of incident stroke. In multivariable analyses, the hazard ratio (95% confidence interval (95%CI)) for stroke across bench press categories were 1.0 (referent), 0.96 (0.83-1.11), and 0.89 (0.77-1.04), respectively (p trend = 0.14). The trend across categories of leg press was also non-significant (p trend = 0.79). Adjusted hazard ratio (95%CI) for stroke across ordered CRF categories were 1.0 (referent), 0.90 (0.71-1.13), and 0.72 (0.57-0.92) (p trend < 0.01).</p><p><strong>Conclusion: </strong>While meeting public health guidelines for muscular strengthening activities is likely to improve muscular strength as well as many health outcomes in older adults, performing such activities may not be helpful in preventing stroke. Conversely, meeting guidelines for aerobic activity is likely to improve CRF and lower stroke risk.</p>","PeriodicalId":48897,"journal":{"name":"Journal of Sport and Health Science","volume":" ","pages":"642-649"},"PeriodicalIF":9.7,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11282351/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41240050","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yujia Susanna Qiao, Terri L Blackwell, Peggy M Cawthon, Paul M Coen, Steven R Cummings, Giovanna Distefano, Samaneh Farsijani, Daniel E Forman, Bret H Goodpaster, Stephen B Kritchevsky, Theresa Mau, Frederico G S Toledo, Anne B Newman, Nancy W Glynn
{"title":"Associations of accelerometry-measured and self-reported physical activity and sedentary behavior with skeletal muscle energetics: The Study of Muscle, Mobility and Aging (SOMMA).","authors":"Yujia Susanna Qiao, Terri L Blackwell, Peggy M Cawthon, Paul M Coen, Steven R Cummings, Giovanna Distefano, Samaneh Farsijani, Daniel E Forman, Bret H Goodpaster, Stephen B Kritchevsky, Theresa Mau, Frederico G S Toledo, Anne B Newman, Nancy W Glynn","doi":"10.1016/j.jshs.2024.02.001","DOIUrl":"10.1016/j.jshs.2024.02.001","url":null,"abstract":"<p><strong>Background: </strong>Skeletal muscle energetics decline with age, and physical activity (PA) has been shown to offset these declines in older adults. Yet, many studies reporting these effects were based on self-reported PA or structured exercise interventions. Therefore, we examined the associations of accelerometry-measured and self-reported PA and sedentary behavior (SB) with skeletal muscle energetics and explored the extent to which PA and sedentary behavior would attenuate the associations of age with muscle energetics.</p><p><strong>Methods: </strong>As part of the Study of Muscle, Mobility and Aging, enrolled older adults (n = 879), 810 (age = 76.4 ± 5.0 years old, mean ± SD; 58% women) had maximal muscle oxidative capacity measured ex vivo via high-resolution respirometry of permeabilized myofibers (maximal oxidative phosphorylation (maxOXPHOS)) and in vivo by <sup>31</sup>phosphorus magnetic resonance spectroscopy (maximal adenosine triphosphate (ATP<sub>max</sub>)). Accelerometry-measured sedentary behavior, light activity, and moderate-to-vigorous PA (MVPA) were assessed using a wrist-worn ActiGraph GT9X over 7 days. Self-reported sedentary behavior, MVPA, and all PA were assessed with the Community Healthy Activities Model Program for Seniors (CHAMPS) questionnaire. Linear regression models with progressive covariate adjustments evaluated the associations of sedentary behavior and PA with muscle energetics, as well as the attenuation of the age/muscle energetics association by MVPA and sedentary behavior. As a sensitivity analysis, we also examined activPAL-measured daily step count and time spent in sedentary behavior and their associations with muscle energetics.</p><p><strong>Results: </strong>Every 30 min/day more of ActiGraph-measured MVPA was associated with 0.65 pmol/(s × mg) higher maxOXPHOS and 0.012 mM/s higher ATP<sub>max</sub> after adjusting for age, site/technician, and sex (p < 0.05). Light activity was not associated with maxOXPHOS or ATP<sub>max</sub>. Meanwhile, every 30 min/day spent in ActiGraph-measured sedentary behavior was associated with 0.39 pmol/s × mg lower maxOXPHOS and 0.006 mM/s lower ATP<sub>max</sub> (p < 0.05). Only associations with ATP<sub>max</sub> held after further adjusting for socioeconomic status, body mass index, lifestyle factors, and multimorbidity. CHAMPS MVPA and all PA yielded similar associations with maxOXPHOS and ATP<sub>max</sub> (p < 0.05), but sedentary behavior did not. Higher activPAL step count was associated with higher maxOXHPOS and ATP<sub>max</sub> (p < 0.05), but time spent in sedentary behavior was not. Additionally, age was significantly associated with muscle energetics for men only (p < 0.05); adjusting for time spent in ActiGraph-measured MVPA attenuated the age association with ATP<sub>max</sub> by 58% in men.</p><p><strong>Conclusion: </strong>More time spent in accelerometry-measured or self-reported daily PA, especially MVPA, was associated with higher s","PeriodicalId":48897,"journal":{"name":"Journal of Sport and Health Science","volume":" ","pages":"621-630"},"PeriodicalIF":9.7,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11282341/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139716514","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Gregore I Mielke, Ding Ding, Shelley E Keating, Bruno P Nunes, Ruth Brady, Wendy J Brown
{"title":"Physical activity volume, frequency, and intensity: Associations with hypertension and obesity over 21 years in Australian women.","authors":"Gregore I Mielke, Ding Ding, Shelley E Keating, Bruno P Nunes, Ruth Brady, Wendy J Brown","doi":"10.1016/j.jshs.2024.05.004","DOIUrl":"10.1016/j.jshs.2024.05.004","url":null,"abstract":"<p><strong>Background: </strong>Optimal patterns of accrual of recommended levels of physical activity (PA) for prevention of hypertension and obesity are not known. The overall aim of this study was to investigate whether different patterns of accumulation of PA are differentially associated with hypertension and obesity in Australian women over 21 years. Specifically, we investigated whether, for the same weekly volume of PA, the number of sessions (frequency) and vigorousness of PA (intensity) were associated with a reduction in the occurrence of hypertension and obesity in women.</p><p><strong>Methods: </strong>Data from the 1973-1978 and 1946-1951 cohorts of the Australian Longitudinal Study on Women's Health were analyzed (n = 20,588; 12%-16% with a Bachelor's or higher degree). Self-reported PA, hypertension, height, and weight were collected using mail surveys every 3 years from 1998/2000 to 2019/2021. Generalized Estimating Equation models with a 3-year lag model were used to investigate the association of PA volume (metabolic equivalent min/week) (none; 33-499; 500-999; ≥1000, weekly frequency (none; 1-2 times; 3-4 times; 5-7 times; ≥8 times), and the proportion of vigorous PA to total volume of PA (none; 0%; 1%-33%; 34%-66%; 67%-100%) with odds of hypertension and obesity from 2000 to 2021.</p><p><strong>Results: </strong>The cumulative incidence of hypertension was 6% in the 1973-1978 and 23% in the 1946-1951 cohort; 27% of women in the 1973-1978; and 15% in the 1946-1951 cohort developed obesity over the period. Overall, a higher volume of PA was associated with reduced odds of hypertension and obesity. When the volume of PA was considered, the odds of hypertension did not vary according to the frequency or intensity of PA. However, increased proportion of vigorous PA to the total volume of PA was associated with a small additional reduction in the risk of obesity.</p><p><strong>Conclusion: </strong>PA volume appears to be more important than the pattern of accumulation for the prevention of hypertension and obesity. Incorporating more sessions, particularly of vigorous-intensity PA, may provide extra benefits for the prevention of obesity.</p>","PeriodicalId":48897,"journal":{"name":"Journal of Sport and Health Science","volume":" ","pages":"631-641"},"PeriodicalIF":9.7,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11282338/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140911516","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Montgomery Bertschy, Victor Rodrigo-Carranza, Ethan W C Wilkie, Laura A Healey, Jeremy Noble, Wayne J Albert, Wouter Hoogkamer
{"title":"Self-perceived middle-distance race pace is faster in advanced footwear technology spikes.","authors":"Montgomery Bertschy, Victor Rodrigo-Carranza, Ethan W C Wilkie, Laura A Healey, Jeremy Noble, Wayne J Albert, Wouter Hoogkamer","doi":"10.1016/j.jshs.2024.100975","DOIUrl":"10.1016/j.jshs.2024.100975","url":null,"abstract":"<p><strong>Background: </strong>Quantifying the potential benefits of advanced footwear technology (AFT) track shoes (i.e., \"spikes\") in middle-distance events is challenging, because repeated maximal effort trials (as in sprinting) or aerobic running economy trials (as in long-distance running) are not feasible.</p><p><strong>Methods: </strong>We introduce a novel approach to assess the benefits of AFT spikes, consisting of a series of 200-m runs at self-perceived middle-distance race pace with 10 min recovery, and conduct 4 experiments to evaluate its validity, sensitivity, reproducibility, and utility.</p><p><strong>Results: </strong>In Experiment 1, participants ran 1.2% slower in spikes with 200 g added mass vs. control spikes, which is exactly equal to the known effects of shoe mass on running performance. In Experiment 2, participants ran significantly faster in AFT prototype spikes vs. traditional spikes. In Experiment 3, we compared 2 other AFT prototype spikes against traditional spikes on 3 separate days. Group-level results were consistent across days, but our data indicates that at least 2 separate sessions are needed to evaluate individual responses. In Experiment 4, participants ran significantly faster in 2 AFT spike models vs. traditional spikes (2.1% and 1.6%). Speed was similar between a third AFT spike model and the traditional spikes. These speed results were mirrored by changes in step length as participants took significantly longer steps in the 2 faster AFT spike models (2.3% and 1.9%), while step length was similar between the other spikes.</p><p><strong>Conclusion: </strong>Our novel, interval-based approach is a valid and reliable method for quantifying differences between spikes at middle-distance running intensity.</p>","PeriodicalId":48897,"journal":{"name":"Journal of Sport and Health Science","volume":" ","pages":"100975"},"PeriodicalIF":9.7,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11863278/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142120914","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Terese L Chmielewski, Adam Meierbachtol, Rick Aberman, Travis Gunderson, Jonathon Sikorski, Kathleen Cummer
{"title":"Go to the back before going forward: Addressing psychological responses in anterior cruciate ligament reconstruction rehabilitation.","authors":"Terese L Chmielewski, Adam Meierbachtol, Rick Aberman, Travis Gunderson, Jonathon Sikorski, Kathleen Cummer","doi":"10.1016/j.jshs.2024.03.008","DOIUrl":"10.1016/j.jshs.2024.03.008","url":null,"abstract":"","PeriodicalId":48897,"journal":{"name":"Journal of Sport and Health Science","volume":" ","pages":"666-669"},"PeriodicalIF":9.7,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11282327/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140330252","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Abel Plaza-Florido, Alejandro Lucia, Shlomit Radom-Aizik
{"title":"Advancing pediatric exercise research: A focus on immunomics and cutting-edge technologies.","authors":"Abel Plaza-Florido, Alejandro Lucia, Shlomit Radom-Aizik","doi":"10.1016/j.jshs.2023.09.011","DOIUrl":"10.1016/j.jshs.2023.09.011","url":null,"abstract":"","PeriodicalId":48897,"journal":{"name":"Journal of Sport and Health Science","volume":" ","pages":"679-681"},"PeriodicalIF":9.7,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11282328/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41170087","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Benjamin T Schumacher, Michael J LaMonte, Andrea Z LaCroix, Eleanor M Simonsick, Steven P Hooker, Humberto Parada, John Bellettiere, Arun Kumar
{"title":"Development, validation, and transportability of several machine-learned, non-exercise-based VO<sub>2max</sub> prediction models for older adults.","authors":"Benjamin T Schumacher, Michael J LaMonte, Andrea Z LaCroix, Eleanor M Simonsick, Steven P Hooker, Humberto Parada, John Bellettiere, Arun Kumar","doi":"10.1016/j.jshs.2024.02.004","DOIUrl":"10.1016/j.jshs.2024.02.004","url":null,"abstract":"<p><strong>Background: </strong>There exist few maximal oxygen uptake (VO<sub>2max</sub>) non-exercise-based prediction equations, fewer using machine learning (ML), and none specifically for older adults. Since direct measurement of VO<sub>2max</sub> is infeasible in large epidemiologic cohort studies, we sought to develop, validate, compare, and assess the transportability of several ML VO<sub>2max</sub> prediction algorithms.</p><p><strong>Methods: </strong>The Baltimore Longitudinal Study of Aging (BLSA) participants with valid VO<sub>2max</sub> tests were included (n = 1080). Least absolute shrinkage and selection operator, linear- and tree-boosted extreme gradient boosting, random forest, and support vector machine (SVM) algorithms were trained to predict VO<sub>2max</sub> values. We developed these algorithms for: (a) the overall BLSA, (b) by sex, (c) using all BLSA variables, and (d) variables common in aging cohorts. Finally, we quantified the associations between measured and predicted VO<sub>2max</sub> and mortality.</p><p><strong>Results: </strong>The age was 69.0 ± 10.4 years (mean ± SD) and the measured VO<sub>2max</sub> was 21.6 ± 5.9 mL/kg/min. Least absolute shrinkage and selection operator, linear- and tree-boosted extreme gradient boosting, random forest, and support vector machine yielded root mean squared errors of 3.4 mL/kg/min, 3.6 mL/kg/min, 3.4 mL/kg/min, 3.6 mL/kg/min, and 3.5 mL/kg/min, respectively. Incremental quartiles of measured VO<sub>2max</sub> showed an inverse gradient in mortality risk. Predicted VO<sub>2max</sub> variables yielded similar effect estimates but were not robust to adjustment.</p><p><strong>Conclusion: </strong>Measured VO<sub>2max</sub> is a strong predictor of mortality. Using ML can improve the accuracy of prediction as compared to simpler approaches but estimates of association with mortality remain sensitive to adjustment. Future studies should seek to reproduce these results so that VO<sub>2max</sub>, an important vital sign, can be more broadly studied as a modifiable target for promoting functional resiliency and healthy aging.</p>","PeriodicalId":48897,"journal":{"name":"Journal of Sport and Health Science","volume":" ","pages":"611-620"},"PeriodicalIF":9.7,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11282333/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140013527","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Anne Timm, Aurelie van Hoye, Paul Sharp, Tue Helms Andersen, Louise Hansen, Jane Nautrup Østergaard, Peter Krustrup, Kenneth Cortsen, Peter Bindslev Iversen, Morten Hulvej Rod, Charlotte Demant Klinker
{"title":"Promoting men's health through sports clubs: A systematic rapid realist review.","authors":"Anne Timm, Aurelie van Hoye, Paul Sharp, Tue Helms Andersen, Louise Hansen, Jane Nautrup Østergaard, Peter Krustrup, Kenneth Cortsen, Peter Bindslev Iversen, Morten Hulvej Rod, Charlotte Demant Klinker","doi":"10.1016/j.jshs.2024.100969","DOIUrl":"10.1016/j.jshs.2024.100969","url":null,"abstract":"<p><strong>Background: </strong>Health promotion (HP) interventions delivered through sports clubs have demonstrated promising outcomes among men, but less is known about which aspects of the interventions work, for whom, and under what circumstances. This rapid realist review aimed to understand the contexts, mechanisms, and outcomes of HP interventions for men delivered through sports clubs.</p><p><strong>Methods: </strong>A systematic literature search was conducted in February 2023 for studies published after 2013 in MEDLINE, Embase, and SPORTDiscus databases.</p><p><strong>Included studies: </strong>(a) were delivered by or in collaboration with sports clubs, (b) targeted men aged 18+ years, and (c) reported 1 or more HP outcomes. A grey literature search was also performed. Studies were included in a realist synthesis based on richness and rigor. Hereafter, context-mechanism-outcome (CMO) configurations were developed.</p><p><strong>Results: </strong>We identified and screened 3358 studies, finally including 59 studies describing 22 interventions. Most HP interventions were delivered in high income countries, included Caucasian men aged 35-65 years with overweight/obesity, and used professional sports clubs (mostly football) for recruitment and facilities. Quantitative HP outcomes were reported across 19 interventions. Of these 19 interventions, the majority reported on weight (n = 18), physical activity (n = 12), mental health (n = 10), and diet (n = 9). We identified 13 CMOs related to how HP interventions affected men's recruitment, engagement, and health behavior maintenance.</p><p><strong>Conclusion: </strong>Our findings show that using sports clubs for HP interventions is effective for engaging men. Recruitment was facilitated by leveraging sports clubs' identity, addressing masculinity-related barriers, improving accessibility, and building trust. Engagement was enhanced through shared identity experiences, safe spaces, inclusive competition, and self-efficacy. However, there's limited evidence on behavior maintenance post-intervention, though involving community stakeholders seemed vital. In general, considerations should be made to avoid perpetuating traditional masculine norms, which may exclude some men and reinforce unhealthy behaviors. These findings can guide intervention development, emphasizing the need to harness men's perspectives in the process.</p>","PeriodicalId":48897,"journal":{"name":"Journal of Sport and Health Science","volume":" ","pages":"100969"},"PeriodicalIF":9.7,"publicationDate":"2024-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11863273/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142113803","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}